[Federal Register Volume 72, Number 99 (Wednesday, May 23, 2007)]
[Rules and Regulations]
[Pages 28832-28837]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: E7-9842]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2007-26864; Directorate Identifier 2006-NM-228-AD; 
Amendment 39-15053; AD 2007-10-12]
RIN 2120-AA64


Airworthiness Directives; Boeing Model 737-200, -300, -400, -500, 
-600, -700, -800, and -900 Series Airplanes; Boeing Model 757-200 and -
300 Series Airplanes; and McDonnell Douglas Model DC-10-10, DC-10-10F, 
DC-10-30, DC-10-30F, DC-10-40, MD-10-30F, MD-11, and MD-11F Airplanes; 
Equipped With Reinforced Flight Deck Doors Installed in Accordance With 
Supplemental Type Certificate (STC) ST01335LA, STC ST01334LA, and STC 
ST01391LA, Respectively

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 identified 
above. That AD currently requires modification of the reinforced flight 
deck door and other actions related to the reinforced flight deck door. 
Those 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 new AD continues to require the existing requirements. 
This new AD adds airplanes to the existing requirement of a one-time 
inspection for chafing of wire bundles in the area of the flight deck 
door and corrective actions if necessary. This proposed AD also removes 
certain airplanes from the applicability. This AD results from a report 
of smoke and fumes in the cockpit of a Model 737-300 series airplane. 
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, any of which could result in injury to the airplane flightcrew. 
We are also proposing this AD to detect and correct wire chafing, which 
could result in arcing, fire, and/or reduced controllability of the 
airplane.

DATES: This AD becomes effective June 27, 2007.
    On July 19, 2005 (70 FR 34316, June 14, 2005), the Director of the 
Federal Register approved the incorporation by reference of certain 
service information.
    On July 25, 2003 (68 FR 41063, July 10, 2003), the Director of the 
Federal Register approved the incorporation by reference of certain 
other service information.

ADDRESSES: You may examine the AD docket on the Internet at http://dms.dot.gov or in person at the Docket Management Facility, U.S. 
Department of Transportation, 400 Seventh Street, SW., Nassif Building, 
Room PL-401, Washington, DC.
    Contact Boeing Commercial Airplanes, P.O. Box 3707, Seattle, 
Washington 98124-2207; Boeing Commercial Airplanes, Long Beach 
Division, 3855 Lakewood Boulevard, Long Beach, California 90846, 
Attention: Data and Service Management, Dept. C1-L5A (D800-0024); or 
C&D Aerospace, 5701 Bolsa Avenue, Huntington Beach, California 92647-
2063; for service information identified in this 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:

Examining the Docket

    You may examine the airworthiness directive (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 street address stated in the ADDRESSES section.

Discussion

    The FAA issued a notice of proposed rulemaking (NPRM) to amend 14 
CFR part 39 to include an AD that supersedes AD 2005-12-05, amendment 
39-14121 (70 FR 34316, June 14, 2005). (A correction of that AD was 
published in the Federal Register on June 28, 2005 (70 FR 37152).) The 
existing AD applies to Boeing Model 737-200, -300, -400, -500, -600, -
700, -800, and -900 series airplanes; Boeing Model 757-200 and -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. That NPRM was published in the Federal Register on January 
19, 2007 (72 FR 2475). That NPRM proposed to continue to require 
modification of the reinforced flight deck door and other actions 
related to the reinforced flight deck door. Those 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. That NPRM also 
proposed to add airplanes to the existing requirement of a one-time 
inspection for chafing of wire bundles in the area of the flight deck 
door and corrective actions if necessary. That NPRM also proposed to 
remove certain airplanes from the applicability.

Comments

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

Support for the NPRM

    Boeing, United Airlines, and the Air Line Pilots Association, 
International (ALPA) support the intent of the NPRM.

Request To Issue a Separate AD

    United Airlines requests that rather than superseding the existing 
AD, we issue a separate AD action since the new proposed actions are 
applicable only to the Model 737-300, -400, and -500 series airplanes. 
The commenter states that if the existing AD is superseded, numerous 
documents must be updated for all airplane models affected by the 
earlier actions. The commenter asserts that superseding an already 
complex compliance plan provides an opportunity for non-compliance and 
unnecessarily increases an operator's workload.

[[Page 28833]]

    We acknowledge that the less burdensome approach is to issue a 
separate AD that applies only to the Model 737-300, -400, and -500 
series airplanes. Further, our normal policy is to issue a separate AD 
when any new requirements would affect only a small portion of the 
affected airplanes, so that we do not burden operators with the 
workload associated with revising maintenance record entries. However, 
in this case, we determined that the existing AD needed to be 
superseded because we are also removing certain airplanes from the 
applicability. For certain operators, this final rule is relieving in 
nature. Therefore, we have not revised this AD in this regard.

Clarification of Alternative Method of Compliance (AMOC) Paragraph

    We have revised this action to clarify the appropriate procedure 
for notifying the principal inspector before using any approved AMOC on 
any airplane to which the AMOC applies.

Conclusion

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

Costs of Compliance

    We have determined that about 1,047 additional airplanes (Model 
737-300, -400, and -500 series airplanes) in the worldwide fleet are 
subject to this AD; therefore, there are now about 3,423 airplanes of 
the affected design in the worldwide fleet. The following table 
provides the estimated costs, at an average labor rate of $80 per work 
hour, for U.S. operators to comply with this AD.

                                                 Estimated Costs
----------------------------------------------------------------------------------------------------------------
                                                                                           Number  of
                                                             Work                Cost per     U.S.-      Fleet
              Action                        Model           hours      Parts     airplane  registered     cost
                                                                                            airplanes
----------------------------------------------------------------------------------------------------------------
Modification in paragraph (f) of    737-200, -300, -400,          1     \1\ $0        $80       1,040    $83,200
 this AD (required by AD 2005-12-    -500, -600, -700, -
 05).                                800, and -900
                                     series airplanes,
                                     with flight deck
                                     door assembly P/N
                                     B221001.
                                    757-200 and -300              2      \1\ 0        160         519     83,040
                                     series airplanes,
                                     with flight deck
                                     door assembly P/N
                                     B231001.
                                    DC-10-10F, DC-10-30,          2      \1\ 0        160          21      3,360
                                     DC-10-30F, DC-10-
                                     40, MD-10-30F, MD-
                                     11, and MD-11F
                                     airplanes, with
                                     flight deck door
                                     assembly P/N
                                     B211200.
Revision in paragraph (i) of this   757-200 and -300              1       None         80         651     52,080
 AD (required by AD 2005-12-05).     series airplanes.
Modification in paragraph (j) of    737-200, -300, -400,          1      \1\ 0         80       1,673    133,840
 this AD (required by AD 2005-12-    -500, -600, -700, -
 05).                                800, and -900
                                     series airplanes;
                                     and 757-200 and -
                                     300 series
                                     airplanes; with
                                     flight deck door
                                     assembly P/N
                                     B221200.
                                    DC-10-10, DC-10-10F,          1       \1\0         80         155     12,400
                                     DC-10-30, DC-10-
                                     30F, DC-10-40, MD-
                                     10-30F, MD-11, and
                                     MD-11F airplanes,
                                     with flight deck
                                     door assembly P/N
                                     B211200.
                                    MD-11 and MD-11F              1      \1\ 0         80           6        480
                                     airplanes, with
                                     flight deck door
                                     assembly P/N
                                     B251200.
Wiring rework in paragraph (m)(1)   737-200 series                1       None         80         134     10,720
 of this AD (required by AD 2005-    airplanes, with
 12-05).                             flight deck door
                                     assembly P/N
                                     B221001.
Inspection in paragraph (m)(2) of   737-200 series                2       None        160         134     21,440
 this AD (required by AD 2005-12-    airplanes, with
 05).                                flight deck door
                                     assembly P/N
                                     B221001.
Inspection in paragraph (o) of      737-300, -400, -500           2       None        160         529    84,640
 this AD (additional airplanes).     series airplanes,
                                     with flight deck
                                     door assembly P/N
                                     B221001.
----------------------------------------------------------------------------------------------------------------
\1\ The parts manufacturer states that it will supply required parts to operators at no cost.

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

[[Page 28834]]

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 this AD and placed it in the AD docket. 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 Federal Aviation Administration (FAA) amends Sec.  39.13 by 
removing amendment 39-14121 (70 FR 34316, June 14, 2005), corrected at 
70 FR 37152, June 28, 2005, and by adding the following new 
airworthiness directive (AD):

2007-10-12 Boeing: Amendment 39-15053. Docket No. FAA-2007-26864; 
Directorate Identifier 2006-NM-228-AD.

Effective Date

    (a) This AD becomes effective June 27, 2007.

Affected ADs

    (b) This AD supersedes AD 2005-12-05.

Applicability

    (c) This AD applies to airplanes identified in Table 1 of this 
AD, certificated in any category.

                                             Table 1.--Applicability
----------------------------------------------------------------------------------------------------------------
                                                                       Equipped with C&D Zodiac, Inc. reinforced
        Airplane manufacturer                  Airplane model          flight deck doors installed in accordance
                                                                      with Supplemental Type Certificate (STC)--
----------------------------------------------------------------------------------------------------------------
Boeing...............................  737-200, -300, -400, -500, -   ST01335LA
                                        600, -700, -800, and -900
                                        series airplanes.
Boeing...............................  757-200 and -300 series        ST01334LA
                                        airplanes.
McDonnell Douglas....................  DC-10-10, DC-10-10F, DC-10-    ST01391LA
                                        30, DC-10-30F, DC-10-40, MD-
                                        10-30F, MD-11, and MD-11F
                                        airplanes.
----------------------------------------------------------------------------------------------------------------

Unsafe Condition

    (d) This AD results from a report of smoke and fumes in the 
cockpit of a Model 737-300 series airplane. 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, any of which 
could result in injury to the airplane flightcrew. We are also 
issuing this AD to detect and correct 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.

Restatement of Requirements of AD 2005-12-05

    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. (AD 
2003-14-04 was superseded by AD 2005-12-05.)

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

    (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

[[Page 28835]]

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.

Parts Installation

    (h) As of July 25, 2003, no person may install, on any airplane, 
a reinforced flight deck door having any part number (P/N) listed in 
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.

Model 737 and 757 Series Airplanes: Revise Maintenance Program

    (i) For Boeing 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 July 19, 2005 (the effective date 
of AD 2005-12-05), 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
----------------------------------------------------------------------------------------------------------------
                                            Equipped with a     Within this
                                           flight deck door   compliance time        Do all actions in the
            For these models--              assembly having   after July 19,    accomplishment instructions of--
                                              this P/N--      2005--  months
----------------------------------------------------------------------------------------------------------------
McDonnell Douglas Model DC-10-10, DC-10-            B211200                 6  C&D Aerospace Service Bulletin
 10F, DC-10-30, DC-10-30F, DC-10-40, MD-                                        B211200-52-01, Revision 3, dated
 10-30F, MD-11, and MD-11F airplanes.                                           September 18, 2003.
McDonnell Douglas Model MD-11 and MD-11F            B251200                 6  C&D Aerospace Service Bulletin
 airplanes.                                                                     B251200-52-01, dated April 30,
                                                                                2003.
Boeing Model 737-200, -300, -400, -500, -           B221200                18  C&D Aerospace Service Bulletin
 600, -700, -800, and -900 series                                               B221200-52-01, Revision 1, dated
 airplanes; and Model 757-200 and -300                                          June 27, 2003.
 series airplanes.
Boeing Model 737-200, -300, -400, -500, -           B221001                18  C&D Aerospace Service Bulletin
 600, -700, -800, and -900 series                                               B221001-52-03, Revision 3, dated
 airplanes.                                                                     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 Bulletin
 airplanes.                                                                     B231001-52-02, Revision 4, dated
                                                                                March 19, 2003; except as
                                                                                provided by paragraph (k) of
                                                                                this AD.
McDonnell Douglas DC-10-10, DC-10-10F, DC-          B211200                18  C&D Aerospace Service Bulletin
 10-30, DC-10-30F, DC-10-40, MD-10-30F,                                         B211200-52-02, Revision 1, dated
 MD-11, and MD-11F airplanes.                                                   June 3, 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 July 19, 2005, 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.
----------------------------------------------------------------------------------------------------------------


[[Page 28836]]

Model 737-200 Series Airplanes: Wiring Modification/Inspection

    (m) For Boeing Model 737-200 series airplanes equipped with 
flight deck door assembly P/N B221001: Within 18 months after July 
19, 2005, 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 July 19, 2005, in accordance with C&D Aerospace 
Alert Service Bulletin B221001-52A05, dated April 17, 2003; Revision 
1, dated May 14, 2003; or 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 Accomplishment 
Instructions of C&D Aerospace Alert Service Bulletin B221001-52A02, 
dated November 5, 2002; except where the service bulletin specifies 
installing a placard, this AD does not require that action. 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 July 19, 2005, 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.

New Requirements of This AD

Inspection and Corrective Actions if Necessary for Certain 
Airplanes

    (o) For Boeing Model 737-300, -400, and -500 series airplanes 
equipped with flight deck door assembly P/N B221001: Within 18 
months after the effective date of this AD, do the actions specified 
in paragraph (m)(2) of this AD.

Alternative Methods of Compliance (AMOCs)

    (p)(1) The Manager, Los Angeles Aircraft Certification Office, 
FAA, has the authority to approve AMOCs for this AD, if requested in 
accordance with the procedures found in 14 CFR 39.19.
    (2) To request a different method of compliance or a different 
compliance time for this AD, follow the procedures in 14 CFR 39.19. 
Before using any approved AMOC on any airplane to which the AMOC 
applies, notify your appropriate principal inspector (PI) in the FAA 
Flight Standards District Office (FSDO), or lacking a PI, your local 
FSDO.
    (3) AMOCs approved previously in accordance with AD 2005-12-05 
are approved as AMOCs for the corresponding provisions of this AD.

Material Incorporated by Reference

    (q) You must use the service information listed 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 information                      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) On July 19, 2005 (70 FR 34316, June 14, 2005), the Director 
of the Federal Register approved the incorporation by reference of 
the service information listed in Table 6 of this AD.

                          Table 6.--Material Incorporated by Reference on July 19, 2005
----------------------------------------------------------------------------------------------------------------
          Service information                      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 B251200- Original...........................  April 30, 2003.
 52-01.
C&D Aerospace Report CDRB22-69........  E..................................  November 8, 2002.
----------------------------------------------------------------------------------------------------------------

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

                          Table 7.--Material Incorporated by Reference on July 25, 2003
----------------------------------------------------------------------------------------------------------------
           Service Bulletin                        Revision level                            Date
----------------------------------------------------------------------------------------------------------------
C&D Aerospace Service Bulletin B211200- 1..................................  June 3, 2003.
 52-02.

[[Page 28837]]

 
C&D Aerospace Service Bulletin B221001- 3..................................  March 25, 2003.
 52-03.
C&D Aerospace Service Bulletin B231001- 4..................................  March 19, 2003.
 52-02.
----------------------------------------------------------------------------------------------------------------

    (3) Contact Boeing Commercial Airplanes, P.O. Box 3707, Seattle, 
Washington 98124-2207; Boeing Commercial Airplanes, Long Beach 
Division, 3855 Lakewood Boulevard, Long Beach, California 90846, 
Attention: Data and Service Management, Dept. C1-L5A (D800-0024); or 
C&D Aerospace, 5701 Bolsa Avenue, Huntington Beach, California 
92647-2063; for a copy of this service information. You may review 
copies at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, 
SW., Renton, Washington; or at the National Archives and Records 
Administration (NARA). For information on the availability of this 
material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal-register/cfr/ibr-locations.html.

    Issued in Renton, Washington, on May 7, 2007.
Stephen P. Boyd,
Acting Manager, Transport Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. E7-9842 Filed 5-22-07; 8:45 am]
BILLING CODE 4910-13-P