[Federal Register Volume 70, Number 113 (Tuesday, June 14, 2005)]
[Rules and Regulations]
[Pages 34316-34322]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 05-11514]


-----------------------------------------------------------------------

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2004-18998; Directorate Identifier 2003-NM-253-AD; 
Amendment 39-14121; AD 2005-12-05]
RIN 2120-AA64


Airworthiness Directives; Boeing Model 737-200, 737-300, 737-400, 
737-500, 737-600, 737-700, 737-800, 737-900, 757-200, and 757-300 
Series Airplanes; and McDonnell Douglas Model DC-10-10, DC-10-10F, DC-
10-30, DC-10-30F, DC-10-40, MD-10-10F, MD-10-30F, MD-11, and MD-11F 
Airplanes

AGENCY: Federal Aviation Administration (FAA), Department of 
Transportation (DOT).

ACTION: Final rule.

-----------------------------------------------------------------------

SUMMARY: The FAA is superseding an existing airworthiness directive 
(AD), which applies to certain transport category airplanes. That AD 
currently requires modification of the reinforced flight deck door. 
This new AD expands the applicability of the existing AD and requires 
other actions related to the reinforced flight deck door. These other 
actions include modifying the door, inspecting and modifying wiring in 
the area, and revising the maintenance program to require more frequent 
testing of the decompression panels of the flight deck door. This AD is 
prompted by reports of discrepancies with the reinforced flight deck 
door. We are issuing this AD to prevent inadvertent release of the 
decompression latch and consequent opening of the decompression panel 
in the flight deck door, or penetration of the flight deck door by 
smoke or shrapnel, any of which could result in injury to the airplane 
flightcrew. This AD also requires finding and fixing wire chafing, 
which could result in arcing, fire, and/or reduced controllability of 
the airplane.

DATES: This AD becomes effective July 19, 2005.
    The incorporation by reference of certain publications listed in 
the AD is approved by the Director of the Federal Register as of July 
19, 2005.
    On July 25, 2003 (68 FR 41063, July 10, 2003), the Director of the 
Federal Register approved the incorporation by reference of certain 
other publications listed in the AD.

ADDRESSES: For service information identified in this AD, contact 
Boeing Commercial Airplanes, P.O. Box 3707, Seattle, Washington 98124-
2207; or C&D Aerospace, 5701 Bolsa Avenue, Huntington Beach, California 
92647-2063.

Docket: The AD docket contains the proposed AD, comments, and any final 
disposition. You can examine the AD docket on the Internet at http://dms.dot.gov, or in person at the Docket Management Facility office 
between 9 a.m. and 5 p.m., Monday through Friday, except Federal 
holidays. The Docket Management Facility office (telephone (800) 647-
5227) is located on the plaza level of the Nassif Building at the U.S. 
Department of Transportation, 400 Seventh Street, SW., room PL-401, 
Washington, DC. This docket number is FAA-2004-18998; the directorate 
identifier for this docket is 2003-NM-253-AD.

FOR FURTHER INFORMATION CONTACT: Ron Atmur, Aerospace Engineer, 
Airframe Branch, ANM-120L, FAA, Los Angeles Aircraft Certification 
Office, 3960 Paramount Boulevard, Lakewood, California 90712-4137; 
telephone (562) 627-5224; fax (562) 627-5210.

SUPPLEMENTARY INFORMATION: The FAA proposed to amend part 39 of the 
Federal Aviation Regulations (14 CFR part 39) with an AD to supersede 
AD 2003-14-04, amendment 39-13223 (68 FR 41063, July 10, 2003). The 
existing AD applies to certain Boeing Model 737-200, 737-300, 737-400, 
737-500, 737-600, 737-700, 737-800, 737-900, 757-200, and 757-300 
series airplanes; and McDonnell Douglas Model DC-10-10F, DC-10-30, DC-
10-30F, DC-10-40, MD-10-30F, MD-11, and MD-11F airplanes. The proposed 
AD was published in the Federal Register on September 3, 2004 (69 FR 
53848), to continue to require modification of the reinforced flight 
deck door. The proposed AD would also expand the applicability of the 
existing AD and require other actions related to the reinforced flight 
deck door. These other actions include modifying the door, inspecting 
and modifying wiring in the area, and revising the maintenance program 
to require more frequent testing of the decompression panels of the 
flight deck door.

[[Page 34317]]

Comments

    We provided the public the opportunity to participate in the 
development of this AD. We have considered the comments that have been 
submitted on the proposed AD.

Support and Conditional Support for the Proposed AD

    One commenter supports the intent and language of the proposed AD.
    A second commenter supports the proposed AD, provided that an 
adequate supply of parts is available for the modification to be 
accomplished within the proposed 18-month compliance time.
    C&D Aerospace has indicated that they will be able to supply an 
adequate number of parts during the proposed compliance time. We have 
not changed the AD in this regard.

Request To Omit Requirement To Reduce Test Intervals

    One commenter does not support reducing the interval for the 
repetitive functional test of the decompression panels of the flight 
deck door, which would be required by paragraph (i) of the proposed AD. 
(Paragraph (i) of the proposed AD would require revising the FAA-
approved maintenance inspection program to include the information in 
C&D Aerospace Report CDRB22-69, Revision E, dated November 8, 2002. 
Revision E of that report reduces the repetitive interval for 
functional testing of the decompression panels of the flight deck 
door.) The commenter states that the proposed AD does not state a 
justification for a reduction in the testing intervals. The commenter 
states that the current inspection interval is sufficient. The 
commenter recommends that we gather and review more operational data 
before we increase the testing interval.
    We do not concur. Our decision to require incorporating Revision E 
of C&D Aerospace Report CDRB22-69, and the increased testing frequency 
specified in that document, is based on analysis by the manufacturer, 
not on in-service findings. Testing of the decompression panels has 
been required only for a short time, and few inspections have been 
accomplished. For this reason, a lack of detected failures would not 
justify maintaining the current inspection interval. We also note that 
reinforced flight deck doors delivered after November 8, 2002 (the 
issue/approval date of Revision E of C&D Aerospace Report CDRB22-69), 
are already subject to the reduced repetitive testing interval. We have 
not changed the final rule in this regard.

Request To Omit Requirement To Strengthen Smoke Screen

    One commenter requests that we do not require strengthening the 
smoke screen on the flight deck door's decompression panels. The 
commenter states that this action is not cited in the proposed AD, and 
no service bulletin has been issued to support the strengthening of the 
smoke screen.
    We do not agree. We find that it is necessary to require 
strengthening of the smoke screen on the flight deck door's 
decompression panels. This action is included in the modification 
required by paragraph (j) of this AD. The rationale for this decision 
is stated in the ``Actions Since Existing AD Was Issued'' section of 
the proposed AD: ``* * * strengthening the smoke screens will allow the 
smoke screens to close properly and prevent smoke from entering the 
flight deck in the event of a fire in the airplane. Smoke in the flight 
deck could hinder the flightcrew's ability to continue to fly the 
airplane safely.'' The Relevant Service Information section of the 
proposed AD specifies that procedures for modifying the smoke screens 
are included in C&D Aerospace Service Bulletin B211200-52-02, Revision 
2, dated September 29, 2003 (for certain McDonnell Douglas Model DC-10, 
MD-10, and MD-11 airplanes), and in C&D Aerospace Service Bulletin 
B251200-52-01, dated April 30, 2003 (for certain Model MD-11 
airplanes). Table 3 of this AD references these service bulletins. We 
have not changed this AD in this regard.

Request To Omit Requirement To Install Placard

    One commenter requests that we omit from paragraph (j) of the 
proposed AD the proposed requirement to install a placard. The 
commenter points out that the service bulletins specified in Table 3 of 
the proposed AD for Boeing Model 737 and 757 series airplanes include 
instructions for installing placards to show that the service bulletin 
has been done. The commenter states that it has contacted C&D Aerospace 
and C&D Aerospace is unable to provide additional placards should the 
original one be lost or need replacement. The commenter is concerned 
that the proposed wording of the AD would require it to install and 
maintain the placards to be in compliance with the proposed AD.
    We agree that installing the placard is not necessary to address 
the unsafe condition. We have revised paragraph (j) of this AD to state 
that, where the service bulletins referenced in Table 3 of this AD 
specify installing a placard to show that the service bulletin has been 
accomplished, this AD does not require that action.

Request To Omit Requirement To Rework Wiring

    One commenter does not support the proposed requirement in 
paragraph (l)(1) that would require reworking the wiring for the flight 
deck door. The commenter feels that the rework is not needed, even 
though the door manufacturer has provided information to modify the 
airplane. The commenter states that its established operational 
procedures, including but not limited to a pre-flight operational check 
of the flight deck door by the flightcrew, obviate the need for the 
proposed wiring rework. Moreover, the commenter states that other 
operational procedures make it unlikely that security would be 
adversely affected if we were to omit the requirement to rework the 
wiring.
    We do not agree. As we stated in the proposed AD, we have 
determined that an unsafe condition exists related to certain wiring in 
the area of the flight deck door on affected airplanes. For an unsafe 
condition such as this one, we can better ensure long-term continued 
operational safety by requiring modifications or design changes to 
remove the source of the problem, rather than by requiring repetitive 
inspections or operational tests. Long-term inspections or tests may 
not provide the degree of safety necessary for the transport airplane 
fleet. This, coupled with a better understanding of the human factors 
associated with numerous repetitive inspections/tests, has led us to 
consider placing less emphasis on special procedures and more emphasis 
on design improvements. The requirement in this AD to rework wiring in 
the area of the flight deck door is consistent with these 
considerations. We have not changed the AD in this regard.

Request for Credit for Accomplishment of Previous Service Bulletin 
Revisions

    One commenter requests that we give credit for actions required by 
paragraph (j) of this AD that were accomplished in accordance with the 
issues of the service bulletins listed in the table below. The 
commenter states that the instructions for the modifications in these 
previous revisions are similar to the instructions in the service 
bulletins listed in Table 3 of the proposed AD.

[[Page 34318]]



                                            Credit Service Bulletins
----------------------------------------------------------------------------------------------------------------
           Service bulletin                        Revision level                            Date
----------------------------------------------------------------------------------------------------------------
C&D Aerospace Service Bulletin B211200- Original...........................  February 27, 2003.
 52-01.
C&D Aerospace Service Bulletin B211200- 1..................................  March 7, 2003.
 52-01.
C&D Aerospace Service Bulletin B211200- 2..................................  June 3, 2003.
 52-01.
C&D Aerospace Service Bulletin B211200- Original...........................  April 30, 2003.
 52-02.
C&D Aerospace Service Bulletin B221001- Original...........................  December 6, 2002.
 52-03.
C&D Aerospace Service Bulletin B221001- 1..................................  January 2, 2003.
 52-03.
C&D Aerospace Service Bulletin B221001- 2..................................  February 20, 2003.
 52-03.
C&D Aerospace Service Bulletin B221200- Original...........................  April 30, 2003.
 52-01.
C&D Aerospace Service Bulletin B231001- Original...........................  December 6, 2002.
 52-02.
C&D Aerospace Service Bulletin B231001- 1..................................  January 2, 2003.
 52-02.
C&D Aerospace Service Bulletin B231001- 2..................................  February 20, 2003.
 52-02.
C&D Aerospace Service Bulletin B231001- 3..................................  March 7, 2003.
 52-02.
----------------------------------------------------------------------------------------------------------------

    (The pages of C&D Aerospace Service Bulletin B231001-52-02, 
Revision 3, are each dated February 7, 2003. However, the Revision 
Transmittal Sheet is dated March 7, 2003. Since Revision 2 of that 
service bulletin is dated February 20, 2003, we have determined that 
March 7, 2003, is the correct date for Revision 3 of the service 
bulletin.)
    We concur with the intent of the commenter's request. Actions 
accomplished before the effective date of this AD in accordance with 
the applicable service bulletin revisions identified by the commenter 
are acceptable for compliance with the corresponding requirement of 
paragraph (j) of this AD. However, after the effective date of this AD, 
required actions must be accomplished in accordance with the applicable 
service bulletin identified in Table 3 of this AD. We have added a new 
paragraph (l) to this AD (and re-identified subsequent paragraphs 
accordingly) and have added Table 4 to this AD to give credit for 
actions accomplished before the effective date of this AD.

Request To Refer to Latest Service Bulletin Revision and Give Credit 
for Prior Issues

    One commenter requests that we revise paragraph (l)(1) of the 
proposed AD (which is identified as paragraph (m)(1) of this AD) to 
require C&D Aerospace Alert Service Bulletin B221001-52A05, Revision 3, 
dated October 3, 2003. Paragraph (l)(1) of the proposed AD refers to 
C&D Aerospace Alert Service Bulletin B221001-52A05, Revision 2, dated 
June 19, 2003, as the appropriate source of service information for the 
actions required by that paragraph. The commenter also requests that we 
give credit for actions done in accordance with C&D Aerospace Alert 
Service Bulletin B221001-52A05, dated April 17, 2003; Revision 1, dated 
May 14, 2003; and Revision 2.
    We concur with the intent of the commenter's request. The 
procedures in C&D Aerospace Alert Service Bulletin B221001-52A05, 
Revision 3, are similar to those in Revision 2 of that service 
bulletin. We have revised paragraph (m)(1) of this AD to require the 
rework of wiring be done in accordance with Revision 3 of the service 
bulletin. We have also revised paragraph (m)(1) to give credit for 
actions done before the effective date of this AD in accordance with 
the original issue, Revision 1, or Revision 2 of that service bulletin. 
However, only Revision 3 of the service bulletin is acceptable for 
actions accomplished on or after the effective date of this AD.

Request To Correct Incorrect References

    One commenter requests that we revise the proposed AD to correct 
incorrect references. The commenter notes that the Costs of Compliance 
section and Table 3 of the proposed AD refer to C&D Aerospace Service 
Bulletin B251200-52-01, dated April 30, 2003, as an ``alert'' service 
bulletin. The commenter points out that C&D Aerospace Service Bulletin 
B251200-52-01 was not released as an alert service bulletin. We have 
revised all references to this service bulletin in this AD to remove 
``alert.''
    The commenter also notes that Table 1 does not refer to the correct 
supplemental type certificate (STC) that applies to Boeing Model 757 
series airplanes. The commenter notes that the applicable STC number is 
ST01334LA. We have revised Table 1 of this AD accordingly.

Request To Refer to Latest Service Bulletin Issue

    One commenter requests that we revise Table 2 of the proposed AD to 
refer to C&D Aerospace Service Bulletin B211200-52-02, Revision 2, 
dated September 29, 2003, instead of Revision 1, dated June 3, 2003. 
The commenter notes that Revision 2 is the latest issue of that service 
bulletin.
    We do not concur with this request. Table 2 of this AD restates the 
applicability of AD 2003-14-04 to establish which airplanes are subject 
to the actions required by paragraphs (f) and (g) of this AD. 
(Paragraphs (f) and (g) restate the requirements of AD 2003-14-04.) C&D 
Aerospace Service Bulletin B211200-52-02, Revision 1, was the issue 
referenced in the applicability of AD 2003-14-04. We note that 
paragraph (f)(3) of this AD, which requires accomplishment of certain 
actions in C&D Aerospace Service Bulletin B211200-52-02, references 
both Revisions 1 and 2 of that service bulletin. We have made no change 
in this regard.

Conclusion

    We have carefully reviewed the available data, including the 
comments that have been submitted, and determined that air safety and 
the public interest require adopting the AD with the changes described 
previously. We have determined that these changes will neither increase 
the economic burden on any operator nor increase the scope of the AD.

Costs of Compliance

    There are about 3,423 airplanes of the affected design worldwide.
    The following table provides the estimated costs for U.S. operators 
to comply with the currently required actions that this AD will 
continue to require, at an average labor rate of $65 per work hour.

[[Page 34319]]



                                                 Estimated Costs: Existing Requirements of AD 2003-14-04
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                                                                          Number of U.S.-
              Airplane Models                As listed in C&D Aerospace     Work hours         Parts         Cost per       registered      Fleet cost
                                                 Service Bulletin--                                          airplane        airplanes
--------------------------------------------------------------------------------------------------------------------------------------------------------
737.......................................  B221001-52-03, Revision 3...               1              $0             $65           1,040         $67,600
757.......................................  B231001-52-02, Revision 4...               2               0             130             519          67,470
DC-10, MD-10, MD-11.......................  B211200-52-02, Revision 1...               2               0             130              21           2,730
--------------------------------------------------------------------------------------------------------------------------------------------------------

    The following table provides the estimated costs for U.S. operators 
to comply with the new actions that will be required by this AD, at an 
average labor rate of $65 per work hour.

                                                            Estimated Costs: New Requirements
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                      Work                                 Cost per       Number of U.S.-        Fleet
            Airplane models                       Action             hours               Parts             airplane    registered airplanes       cost
--------------------------------------------------------------------------------------------------------------------------------------------------------
737...................................  Modification in C&D                1  $0........................        $65  Airplanes not modified          N/A
                                         Aerospace Service                                                            under AD 2003-14-04.
                                         Bulletin B221001-52-03,
                                         Revision 3.
737, 757..............................  Revision of maintenance            1  None......................         65  651.....................    $42,315
                                         program.
737, 757..............................  Modification in C&D                1  $0........................         65  1,673...................    108,745
                                         Aerospace Service
                                         Bulletin B221200-52-01,
                                         Revision 1.
737-200...............................  Modification in C&D                1  None......................         65  134.....................      8,710
                                         Aerospace Alert Service
                                         Bulletin B221001-52A05,
                                         Revision 3.
737-200...............................  Inspection in C&D                  2  None......................        130  134.....................     17,420
                                         Aerospace Alert Service
                                         Bulletin B221001-52A02.
757...................................  Modification in C&D                2  $0........................        130  Airplanes not modified          N/A
                                         Aerospace Service                                                            under AD 2003-14-04.
                                         Bulletin B231001-52-02,
                                         Revision 4.
DC-10, MD-11, MD-11F..................  Modification in C&D                1  $0........................         65  155.....................     10,075
                                         Aerospace Service
                                         Bulletin B211200-52-01,
                                         Revision 3.
DC-10, MD-10, MD-11...................  Modification in C&D                2  $0........................        130  Airplanes not modified          N/A
                                         Aerospace Service                                                            under AD 2003-14-04.
                                         Bulletin B211200-52-02.
MD-11.................................  Modification in C&D                1  $0........................         65  6.......................        390
                                         Aerospace Service
                                         Bulletin B251200-52-01.
--------------------------------------------------------------------------------------------------------------------------------------------------------

Authority for This Rulemaking

    Title 49 of the United States Code specifies the FAA's authority to 
issue rules on aviation safety. Subtitle I, section 106, describes the 
authority of the FAA Administrator. Subtitle VII, Aviation Programs, 
describes in more detail the scope of the Agency's authority.
    We are issuing this rulemaking under the authority described in 
subtitle VII, part A, subpart III, section 44701, ``General 
requirements.'' Under that section, Congress charges the FAA with 
promoting safe flight of civil aircraft in air commerce by prescribing 
regulations for practices, methods, and procedures the Administrator 
finds necessary for safety in air commerce. This regulation is within 
the scope of that authority because it addresses an unsafe condition 
that is likely to exist or develop on products identified in this 
rulemaking action.

Regulatory Findings

    We have determined that this AD will not have federalism 
implications under Executive Order 13132. This AD will not have a 
substantial direct effect on the States, on the relationship between 
the national government and the States, or on the distribution of power 
and responsibilities among the various levels of government.
    For the reasons discussed above, I certify that this AD:
    (1) Is not a ``significant regulatory action'' under Executive 
Order 12866;
    (2) Is not a ``significant rule'' under DOT Regulatory Policies and 
Procedures (44 FR 11034, February 26, 1979); and
    (3) Will not have a significant economic impact, positive or 
negative, on a substantial number of small entities under the criteria 
of the Regulatory Flexibility Act.
    We prepared a regulatory evaluation of the estimated costs to 
comply with

[[Page 34320]]

this AD. See the ADDRESSES section for a location to examine the 
regulatory evaluation.

List of Subjects in 14 CFR Part 39

    Air transportation, Aircraft, Aviation safety, Incorporation by 
reference, Safety.

Adoption of the Amendment

0
Accordingly, under the authority delegated to me by the Administrator, 
the FAA amends 14 CFR part 39 as follows:

PART 39--AIRWORTHINESS DIRECTIVES

0
1. The authority citation for part 39 continues to read as follows:

    Authority: 49 U.S.C. 106(g), 40113, 44701.


Sec.  39.13  [Amended]

0
2. The FAA amends Sec.  39.13 by removing amendment 39-13223 (68 FR 
41063, July 10, 2003), and by adding the following new airworthiness 
directive (AD):

2005-12-05 Transport Category Airplanes: Amendment 39-14121. Docket 
No. FAA-2004-18998; Directorate Identifier 2003-NM-253-AD.

Effective Date

    (a) This AD becomes effective July 19, 2005.

Affected ADs

    (b) This AD supersedes AD 2003-14-04, amendment 39-13223.
    Applicability: (c) This AD applies to the airplanes listed in 
Table 1 of this AD, certificated in any category.

                   Table 1.--Affected Airplane Models
------------------------------------------------------------------------
                                                           Modified by
                                                          Supplemental
     Airplane manufacturer          Airplane model      Type Certificate
                                                              (STC)
------------------------------------------------------------------------
Boeing........................  737-200, -300, -400, -  ST01335LA
                                 500, -600, -700, -
                                 800, and -900 series.
Boeing........................  757-200 and -300        ST01334LA
                                 series.
McDonnell Douglas.............  DC-10-10, DC-10-10F,    ST01391LA
                                 DC-10-30, DC-10-30F,
                                 DC-10-40, MD-10-10F,
                                 MD-10-30F, MD-11, and
                                 MD-11F.
------------------------------------------------------------------------

Unsafe Condition

    (d) This AD was prompted by reports of discrepancies with the 
reinforced flight deck door. We are issuing this AD to prevent 
inadvertent release of the decompression latch and consequent 
opening of the decompression panel in the flight deck door, or 
penetration of the flight deck door by smoke or shrapnel, any of 
which could result in injury to the airplane flightcrew. We are also 
issuing this AD to find and fix wire chafing, which could result in 
arcing, fire, and/or reduced controllability of the airplane.
    Compliance: (e) You are responsible for having the actions 
required by this AD performed within the compliance times specified, 
unless the actions have already been done.

Requirements of AD 2003-14-04


    Note 1: Where there are differences between this AD and the 
referenced service bulletins, this AD prevails.

Modification

    (f) For airplanes listed in Table 2 of this AD: Within 90 days 
after July 25, 2003 (the effective date of AD 2003-14-04, amendment 
39-13223), modify the reinforced flight deck door according to 
paragraph (f)(1), (f)(2), or (f)(3) of this AD, as applicable.

                                           Table 2.--Airplane Models Subject to Requirements of AD 2003-14-04
--------------------------------------------------------------------------------------------------------------------------------------------------------
          Airplane manufacturer                     Airplane model                          As listed in C&D Aerospace Service Bulletin--
--------------------------------------------------------------------------------------------------------------------------------------------------------
Boeing...................................  737-200, -300, -400, -500, -600,  B221001-52-03, Revision 3, dated March 25, 2003
                                            -700, -800, and -900 series.
Boeing...................................  757-200 and -300 series.........  B231001-52-02, Revision 4, dated March 19, 2003.
McDonnell Douglas........................  DC-10-10F, DC-10-30, DC-10-30F,   B211200-52-02, Revision 1, dated June 3, 2003.
                                            DC-10-40, MD-10-30F, MD-11, and
                                            MD-11F.
--------------------------------------------------------------------------------------------------------------------------------------------------------

    (1) For Boeing Model 737-200, -300, -400, -500, -600, -700, -
800, and -900 series airplanes: Modify the upper and lower pressure 
relief latch assemblies on the flight deck door by doing all actions 
specified in and according to paragraphs 3.A., 3.B., and 3.C. of the 
Accomplishment Instructions of C&D Aerospace Service Bulletin 
B221001-52-03, Revision 3, dated March 25, 2003. One latch strap 
should be installed at the bottom of the upper pressure relief 
assembly, and a second latch strap should be installed at the top of 
the lower pressure relief assembly. When properly installed, the 
strap should cover a portion of the latch hook.
    (2) For Boeing Model 757-200 and -300 series airplanes: Modify 
the upper and lower pressure relief latch assemblies on the flight 
deck door by doing all actions specified in and according to 
paragraphs 3.A., 3.B., and 3.C. of the Accomplishment Instructions 
of C&D Aerospace Service Bulletin B231001-52-02, Revision 4, dated 
March 19, 2003. One latch strap should be installed at the bottom of 
the upper pressure relief assembly, and a second latch strap should 
be installed at the top of the lower pressure relief assembly. When 
properly installed, the strap should cover a portion of the latch 
hook.
    (3) For McDonnell Douglas DC-10-10F, DC-10-30, DC-10-30F, DC-10-
40, MD-10-30F, MD-11, and MD-11F airplanes: Install spacers in the 
upper and lower pressure relief latch assemblies of the flight deck 
door, by doing all actions specified in and according to paragraphs 
3.A., 3.C., and 3.D. of C&D Aerospace Service Bulletin B211200-52-
02, Revision 1, dated June 3, 2003; or Revision 2, dated September 
29, 2003.

Modifications Accomplished Per Previous Issues of Service Bulletin

    (g) For airplanes listed in Table 2 of this AD: Modifications 
accomplished before July 25, 2003, in accordance with a service 
bulletin listed in paragraph (g)(1), (g)(2), or (g)(3) of this AD; 
as applicable; are considered acceptable for compliance with the 
corresponding action specified in paragraph (f) of this AD.
    (1) For Boeing Model 737-200, -300, -400, -500, -600, -700, -
800, and -900 series airplanes: C&D Aerospace Service Bulletin 
B221001-52-03, dated December 6, 2002; Revision 1, dated January 2, 
2003; or Revision 2, dated February 20, 2003.
    (2) For Boeing Model 757-200 and -300 series airplanes: C&D 
Aerospace Service Bulletin B231001-52-02, dated December 6, 2002; 
Revision 1, dated January 2, 2003; Revision 2, dated February 20, 
2003; or Revision 3, dated March 7, 2003.
    (3) For McDonnell Douglas DC-10-10F, DC-10-30, DC-10-30F, DC-10-
40, MD-10-30F, MD-11, and MD-11F airplanes: C&D Aerospace Service 
Bulletin B211200-52-02, dated April 30, 2003.

[[Page 34321]]

Parts Installation

    (h) As of July 25, 2003, no person may install, on any airplane, 
a reinforced flight deck door having any part number listed in the 
paragraph 1.A. of C&D Aerospace Service Bulletin B221001-52-03, 
Revision 3, dated March 25, 2003; B231001-52-02, Revision 4, dated 
March 19, 2003; or B211200-52-02, Revision 1, dated June 3, 2003; as 
applicable; unless the door has been modified as required by 
paragraph (f) of this AD.
    New Requirements of This AD:

Model 737 and 757 Series Airplanes: Revise Maintenance Program

    (i) For Model 737-200, -300, -400, -500, -600, -700, -800, and -
900 series airplanes; and Model 757-200 and -300 series airplanes: 
Within 6 months after the effective date of this AD, revise the FAA-
approved maintenance inspection program to include the information 
specified in C&D Aerospace Report CDRB22-69, Revision E, dated 
November 8, 2002.

Modifications to Flight Deck Door

    (j) Modify the reinforced flight deck door by doing all 
applicable actions specified in the applicable service bulletin 
listed in Table 3 of this AD at the applicable compliance time 
specified in that table. Where the applicable service bulletin 
includes an instruction to install a placard to show that the 
service bulletin has been accomplished, this AD does not require 
that action.

                               Table 3.--New Modifications to the Flight Deck Door
----------------------------------------------------------------------------------------------------------------
                                                                     Within this
                                                                   compliance time
                                     Equipped with a flight deck      after the         Do all actions in the
         For these models--          door assembly having this P/ effective date of  accomplishment instructions
                                                 N--                  this AD--                  of--
                                                                       (months)
----------------------------------------------------------------------------------------------------------------
McDonnell Douglas DC-10-10, DC-10-   B211200....................                  6  C&D Aerospace Service
 10F, DC-10-30, DC-10-30F, DC-10-                                                     Bulletin B211200-52-01,
 40, MD-10-10F, MD-10-30F, MD-11,                                                     Revision 3, dated
 and MD-11F airplanes.                                                                September 18, 2003.
McDonnell Douglas Model MD-11 and    B251200....................                  6  C&D Aerospace Service
 MD-11F airplanes.                                                                    Bulletin B251200-52-01,
                                                                                      dated April 30, 2003.
Boeing Model 737-200, -300, -400, -  B221200....................                 18  C&D Aerospace Service
 500, -600, -700, -800, and -900                                                      Bulletin B221200-52-01,
 series airplanes; and Model 757-                                                     Revision 1, dated June 27,
 200 and -300.                                                                        2003
Boeing Model 737-200, -300, -400, -  B221001....................                 18  C&D Aerospace Service
 500, -600, -700, -800, and -900                                                      Bulletin B221001-52-03,
 series airplanes.                                                                    Revision 3, dated March
                                                                                      25, 2003; except as
                                                                                      provided by paragraph (k)
                                                                                      of this AD.
Boeing Model 757-200 and-300 series  B231001....................                 18  C&D Aerospace Service
 airplanes.                                                                           Bulletin B231001-52-02,
                                                                                      Revision 4, dated March
                                                                                      19, 2003; except as
                                                                                      provided by paragraph (k)
                                                                                      of this AD.
McDonnell Douglas DC-10-10, DC-10-   B211200....................                 18  C&D Aerospace Service
 10F, DC-10-30, DC-10-30F, DC-10-                                                     Bulletin B211200-52-02,
 40, MD-10-10F, MD-10-30F, MD-11,                                                     Revision 1, dated June 3,
 and MD-11F airplanes.                                                                2003; or Revision 2, dated
                                                                                      September 29, 2003, except
                                                                                      as provided by paragraph
                                                                                      (k) of this AD.
----------------------------------------------------------------------------------------------------------------

    (k) For airplanes subject to paragraph (f) of this AD: Actions 
required by paragraph (f) of this AD that were done within the 
compliance time specified in paragraph (f) of this AD do not need to 
be repeated in accordance with paragraph (j) of this AD.

Modifications Accomplished Per Previous Issues of Service Bulletin

    (l) Modifications accomplished before the effective date of this 
AD in accordance with an applicable service bulletin listed in Table 
4 of this AD are considered acceptable for compliance with the 
corresponding action specified in paragraph (j) of this AD.

                       Table 4.--Acceptable Service Information for Previous Modifications
----------------------------------------------------------------------------------------------------------------
           Service bulletin                        Revision level                            Date
----------------------------------------------------------------------------------------------------------------
C&D Aerospace Service Bulletin B211200- Original...........................  February 27, 2003.
 52-01.
C&D Aerospace Service Bulletin B211200- 1..................................  March 7, 2003.
 52-01.
C&D Aerospace Service Bulletin B211200- 2..................................  June 3, 2003.
 52-01.
C&D Aerospace Service Bulletin B211200- Original...........................  April 30, 2003.
 52-02.
C&D Aerospace Service Bulletin B221001- Original...........................  December 6, 2002.
 52-03.
C&D Aerospace Service Bulletin B221001- 1..................................  January 2, 2003.
 52-03.
C&D Aerospace Service Bulletin B221001- 2..................................  February 20, 2003.
 52-03.
C&D Aerospace Service Bulletin B221200- Original...........................  April 30, 2003.
 52-01.
C&D Aerospace Service Bulletin B231001- Original...........................  December 6, 2002.
 52-02.
C&D Aerospace Service Bulletin B231001- 1..................................  January 2, 2003.
 52-02.
C&D Aerospace Service Bulletin B231001- 2..................................  February 20, 2003.
 52-02.
C&D Aerospace Service Bulletin B231001- 3..................................  March 7, 2003.
 52-02.
----------------------------------------------------------------------------------------------------------------

Model 737-200 Series Airplanes: Wiring Modification/Inspection

    (m) For Model 737-200 series airplanes equipped with flight deck 
door assembly P/N B221001: Within 18 months after the effective date 
of this AD, do paragraphs (m)(1) and (m)(2) of this AD.
    (1) Rework the wiring for the flight deck door to relocate a 
power wire for the flight deck door, in accordance with the 
Accomplishment Instructions of C&D Aerospace Alert Service Bulletin 
B221001-52A05, Revision 3, dated October 3, 2003. Actions 
accomplished before the effective date of this AD in accordance with 
C&D Aerospace Alert Service Bulletin B221001-52A05, dated April 17, 
2003; Revision 1, dated May 14, 2003; and Revision 2, dated June 19, 
2003; are acceptable for compliance with the corresponding action 
required by this paragraph.
    (2) Perform a general visual inspection for chafing of wire 
bundles in the area of the flight deck door and applicable 
corrective actions by doing all of the actions in the

[[Page 34322]]

Accomplishment Instructions of C&D Aerospace Alert Service Bulletin 
B221001-52A02, dated November 5, 2002. Any applicable corrective 
actions must be done before further flight.

    Note 2: For the purposes of this AD, a general visual inspection 
is ``a visual examination of an interior or exterior area, 
installation or assembly to detect obvious damage, failure or 
irregularity. This level of inspection is made from within touching 
distance unless otherwise specified. A mirror may be necessary to 
ensure visual access to all surfaces in the inspection area. This 
level of inspection is made under normal available lighting 
conditions such as daylight, hangar lighting, flashlight or drop-
light and may require removal or opening of access panels or doors. 
Stands, ladders or platforms may be required to gain proximity to 
the area being checked.''

Parts Installation

    (n) As of the effective date of this AD, no person may install a 
reinforced flight deck door under any STC listed in Table 1 of this 
AD, on any airplane, unless all applicable requirements of this AD 
have been done on the door.

Alternative Methods of Compliance (AMOCs)

    (o)(1) The Manager, Los Angeles Aircraft Certification Office 
(ACO), FAA, has the authority to approve AMOCs for this AD, if 
requested in accordance with the procedures found in 14 CFR 39.19.
    (2) Alternative methods of compliance, approved previously in 
accordance with AD 2003-14-04, amendment 39-13223, are approved as 
alternative methods of compliance with this AD.

Material Incorporated by Reference

    (p) You must use the service information that is specified in 
Table 5 of this AD to perform the actions that are required by this 
AD, unless the AD specifies otherwise.

                                  Table 5.--Material Incorporated by Reference
----------------------------------------------------------------------------------------------------------------
           Service bulletin                        Revision level                            Date
----------------------------------------------------------------------------------------------------------------
C&D Aerospace Alert Service Bulletin    Original...........................  November 5, 2002.
 B221001-52A02.
C&D Aerospace Alert Service Bulletin    3..................................  October 3, 2003.
 B221001-52A05.
C&D Aerospace Service Bulletin B211200- 3..................................  September 18, 2003.
 52-01.
C&D Aerospace Service Bulletin B211200- 1..................................  June 3, 2003.
 52-02.
C&D Aerospace Service Bulletin B211200- 2..................................  September 29, 2003.
 52-02.
C&D Aerospace Service Bulletin B221001- 3..................................  March 25, 2003.
 52-03.
C&D Aerospace Service Bulletin B221200- 1..................................  June 27, 2003.
 52-01.
C&D Aerospace Service Bulletin B231001- 4..................................  March 19, 2003.
 52-02.
C&D Aerospace Service Bulletin B251200- Original...........................  April 30, 2003.
 52-01.
C&D Aerospace Report CDRB22-69........  E..................................  November 8, 2002
----------------------------------------------------------------------------------------------------------------

    (1) The Director of the Federal Register approves the 
incorporation by reference of the service information specified in 
Table 6 of this AD in accordance with 5 U.S.C. 552(a) and 1 CFR part 
51.

                                Table 6.--New Material Incorporated by Reference
----------------------------------------------------------------------------------------------------------------
           Service bulletin                        Revision level                            Date
----------------------------------------------------------------------------------------------------------------
C&D Aerospace Alert Service Bulletin    Original...........................  November 5, 2002.
 B221001-52A02.
C&D Aerospace Alert Service Bulletin    3..................................  October 3, 2003.
 B221001-52A05.
C&D Aerospace Service Bulletin B211200- 3..................................  September 18, 2003.
 52-01.
C&D Aerospace Service Bulletin B211200- 2..................................  September 29, 2003.
 52-02.
C&D Aerospace Service Bulletin B221200- 1..................................  June 27, 2003.
 52-01.
C&D Aerospace Service Bulletin          Original...........................  April 30, 2003.
 B2105200-52-01.
C&D Aerospace Report CDRB22-69........  E..................................  November 8, 2002.
----------------------------------------------------------------------------------------------------------------

    (2) The Director of the Federal Register previously approved the 
incorporation by reference of the service information specified in 
Table 7 of this AD as of July 25, 2003 (68 FR 41063, July 10, 2003).

                             Table 7.--Material Previously Incorporated by Reference
----------------------------------------------------------------------------------------------------------------
              Service bulletin                     Revision level                         Date
----------------------------------------------------------------------------------------------------------------
C&D Aerospace Service Bulletin B211200-52-02                        1  June 3, 2003.
C&D Aerospace Service Bulletin B221001-52-03                        3  March 25, 2003.
C&D Aerospace Service Bulletin B231001-52-02                        4  March 19, 2003.
----------------------------------------------------------------------------------------------------------------

    (3) To get copies of the service information, go to Boeing 
Commercial Airplanes, P.O. Box 3707, Seattle, Washington 98124-2207; 
or C&D Aerospace, 5701 Bolsa Avenue, Huntington Beach, California 
92647-2063. To view the AD docket, go to the Docket Management 
Facility, U.S. Department of Transportation, 400 Seventh Street SW., 
room PL-401, Nassif Building, Washington, DC. To review copies of 
the service information, go to the National Archives and Records 
Administration (NARA). For information on the availability of this 
material at the NARA, call (202) 741-6030, or go to http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.

    Issued in Renton, Washington, on May 26, 2005.
Ali Bahrami,
Manager, Transport Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. 05-11514 Filed 6-13-05; 8:45 am]
BILLING CODE 4910-13-P