[Federal Register Volume 70, Number 162 (Tuesday, August 23, 2005)]
[Rules and Regulations]
[Pages 49174-49178]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 05-16455]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2004-19865; Directorate Identifier 2003-NM-242-AD; 
Amendment 39-14230; AD 2005-17-09]
RIN 2120-AA64


Airworthiness Directives; Boeing Model 747, 757, 767 and 777 
Series Airplanes

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

ACTION: Final rule.

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SUMMARY: The FAA is superseding an existing airworthiness directive 
(AD), which applies to certain Boeing Model 747, 757, 767, and 777 
series airplanes. That AD currently requires modifying certain drip 
shields located on the flight deck, and follow-on actions. This new AD 
removes certain airplanes that are included in the applicability 
statement of the existing AD, and requires modifying additional drip 
shields on the flight deck of certain other airplanes. This AD is 
prompted by a determination that certain airplanes have drip shields 
that are not adequately resistant to fire. We are issuing this AD to 
prevent potential ignition of the moisture barrier cover of the drip 
shield, which could propagate a small fire that results from an 
electrical arc, leading to a larger fire.

DATES: This AD becomes effective September 27, 2005.
    The incorporation by reference of certain publications listed in 
the AD is approved by the Director of the Federal Register as of 
September 27, 2005.
    On February 2, 2001 (65 FR 82901, December 29, 2000), 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.
    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

[[Page 49175]]

FAA-2004-19865; the directorate identifier for this docket is 2003-NM-
242-AD.

FOR FURTHER INFORMATION CONTACT: Patrick Gillespie, Aerospace Engineer, 
Cabin Safety and Environmental Systems Branch, ANM-150S, FAA, Seattle 
Aircraft Certification Office, 1601 Lind Avenue, SW., Renton, 
Washington 98055-4056; telephone (425) 917-6429; fax (425) 917-6590.

SUPPLEMENTARY INFORMATION: The FAA proposed to amend part 39 of the 
Federal Aviation Regulations (14 CFR part 39) with an AD to supersede 
AD 2000-26-04, amendment 39-12054 (65 FR 82901, December 29, 2000). The 
existing AD applies to certain Boeing Model 747, 757, 767, and 777 
series airplanes. The proposed AD was published in the Federal Register 
on December 16, 2004 (69 FR 75267), to require modifying certain drip 
shields located on the flight deck, and follow-on actions.

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 for the Proposed AD

    One commenter concurs with the contents of the proposed AD and has 
no additional comments.

Request To Revise Applicability Statement

    One commenter, the airplane manufacturer, requests that we revise 
Table 1 under Applicability in the proposed AD to remove the Model 777 
series airplane having line number (L/N) 254. The commenter states that 
the affected Model 777 L/Ns include line numbers prior to 254, except 
L/Ns 1, 120, 219, 230, 235, 242, 245, and 249.
    We agree and have revised Table 1 of this AD to remove L/N 254.

Request To Add Later Service Bulletin Revision

    One commenter requests that we revise paragraph (f) of the proposed 
AD to refer to Boeing Service Bulletin 757-25-0228, Revision 1, dated 
March 28, 2002 (for Model 757-300 series airplanes); and Boeing Service 
Bulletin 777-25-0164, Revision 1, including Appendices A, B, C, and D, 
all dated March 22, 2001; as acceptable methods of compliance with that 
paragraph. The commenter notes that the procedures in Revision 1 of 
these service bulletins are substantially similar to those in the 
original issues of the service bulletin, which paragraph (f) refers to 
as acceptable sources of service information for Model 757-300 and 
Model 777 series airplanes. Boeing Service Bulletin 757-25-0228, 
Revision 1, clarifies certain procedures and corrects a part number for 
a washer used to attach fire blocks. Boeing Service Bulletin 777-25-
0164, Revision 1, provides additional installation instructions and 
placard and dimensional information. The commenter also notes that the 
effectivity listing is the same in Revision 1 of the service bulletins 
as in the original issues.
    We agree. We note that Revision 1 of these service bulletins was 
approved as an alternative method of compliance (AMOC) for AD 2000-26-
04, and that AMOC remains valid as specified in paragraph (k)(2) of 
this AD. However, for clarification and for the convenience of affected 
operators, we have also revised paragraph (f) of this AD to specify 
both the original issue and Revision 1 of these service bulletins as 
acceptable methods of compliance for doing the modification required by 
that paragraph.

Request To Clarify Requirements for Certain Model 757 Series Airplanes

    One commenter requests that we revise the proposed AD to allow the 
proposed actions to be accomplished in accordance with previous 
revisions of Boeing Service Bulletin 757-25-0226 for Boeing Model 757 
series airplanes identified in Groups 2 and 4 of Boeing Service 
Bulletin 757-25-0226, Revision 3, dated September 2, 2004. The 
commenter states that, for airplanes in those groups, Boeing Service 
Bulletins 757-25-0226, Revision 2, dated October 31, 2002, and Revision 
3, do not add additional work beyond what is specified for those 
airplanes in the original issue, dated July 3, 2000, and Revision 1, 
dated February 15, 2001. The commenter states that we should make it 
clear that no additional work is required by this AD for any airplane 
in Group 2 or 4 that was modified in accordance with a previous issue 
of the service bulletin. The commenter adds that the proposed AD should 
also be revised to give credit for using any revision of Boeing Service 
Bulletin 757-25-0226 to modify any airplane in Group 2 or 4. The 
commenter also notes that an AMOC was issued for AD 2000-26-04 to allow 
certain required actions to be accomplished in accordance with Boeing 
Service Bulletin 757-25-0226, Revision 1. The commenter states that 
this AMOC should also still be valid for airplanes in Groups 2 and 4.
    We agree with the commenter's requests for the reasons stated by 
the commenter, and accordingly have made the following changes to this 
AD:
     We revised paragraph (i) of this AD to specify that 
paragraph (i) applies only to airplanes identified as being in Group 1 
or 3 by Boeing Service Bulletin 757-25-0226, Revision 3.
     We revised paragraph (f) to state that only airplanes in 
Group 1 or 3 are required to use Revision 3 after the effective date of 
this AD.
     We added a new paragraph (j)(2) to this AD (and renumbered 
a subsequent paragraph) to give credit for modifying the drip shields 
on airplanes in Groups 2 and 4 before the effective date of this AD in 
accordance with Revision 1 of Boeing Service Bulletin 757-25-0226. 
(Paragraph (j)(1) of this AD already gives credit for modifying the 
drip shields in accordance with Revision 2 of that service bulletin.)
     We revised paragraph (k)(2) of this AD to state that, 
except for Model 757-200, -200CB, and -200PF series airplanes listed in 
Groups 1 and 3 of Boeing Service Bulletin 757-25-0226, Revision 3, 
dated September 2, 2004, AMOCs approved previously in accordance with 
AD 2000-26-04, amendment 39-12054, are acceptable for compliance with 
this AD.
     We revised the Costs of Compliance section to reduce the 
estimated number of Model 757-200, -200CB, and -200PF series airplanes 
subject to the new requirements from 491 U.S.-registered airplanes to 
350. This figure includes only the airplanes in Groups 1 and 3.

Request To Revise Estimated Number of Airplanes No Longer Affected

    One commenter, the airplane manufacturer, states that the estimate 
of Model 747 series airplanes no longer affected, as stated in the 
Actions Since Existing AD Was Issued section of the proposed AD, should 
be increased from 550 to 650 airplanes. The commenter points out that 
the effectivity listing of the original issue of Boeing Service 
Bulletin 747-25-3253, dated June 29, 2000, included L/Ns 1 through 1234 
inclusive, except 1174 and 1216 (approximately 1230 airplanes). 
However, the effectivity listing of Boeing Service Bulletin 747-25-
3253, Revision 3, dated September 4, 2003, includes L/Ns 1 through 299 
inclusive and 951 through 1234 inclusive, except 292, 296, 297, 1174, 
and 1216 (approximately 580 airplanes). Therefore, approximately 650 
airplanes are no longer affected.
    We agree with the intent of the commenter's request. However, the 
relevant paragraph to which the commenter refers is not restated in 
this

[[Page 49176]]

final rule. Thus, we have made no change in this regard.

Request To Increase Estimate for Costs of Compliance

    One commenter requests that we increase the number of work hours 
necessary to accomplish the required actions on affected Model 757 
series airplanes. The commenter notes that the proposed AD estimates 
that 26 work hours would be needed, while the referenced service 
bulletin for Model 757 series airplanes states total work-hour 
estimates of 107, 94.5, 74, and 66 work hours for airplanes in Groups 
1, 2, 3, and 4, respectively. The commenter states that its experience 
indicates that the figures provided by Boeing in the service bulletin 
are accurate, but the FAA's estimate times are lower than the service 
bulletin figures and, as a result, contribute to an erroneously low 
cost estimate.
    We partially agree with the commenter's request. We note that the 
total work hour estimates to which the commenter refers include time 
for gaining access and closing up. The cost analysis in AD actions, 
however, typically does not include costs such as the time required to 
gain access and close up, time necessary for planning, or time 
necessitated by other administrative actions. Costs for those type of 
actions may vary significantly among operators and are almost 
impossible to calculate.
    However, we do agree that the costs of compliance estimated in the 
proposed AD for Model 757 series airplanes did not include the work 
hours necessary for testing, as specified in Boeing Service Bulletin 
757-25-0226, Revision 3. Therefore, we have revised the estimated costs 
of compliance in this AD to estimate that 58 work hours are needed to 
do the required actions on each affected Model 757 series airplane.

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 2,222 airplanes of affected design in the worldwide 
fleet. The following table provides the estimated costs for U.S. 
operators to comply with the actions that are required by AD 2000-26-04 
and retained in this proposed AD. The average labor rate is $65 per 
work hour.

                                                 Estimated Costs
----------------------------------------------------------------------------------------------------------------
                                    U.S.-                                                          Maximum fleet
            Model                registered      Work hours      Labor cost        Parts cost          cost
                                  airplanes      (estimated)     (estimated)      (estimated)       (estimated)
----------------------------------------------------------------------------------------------------------------
747..........................             105              39          $2,535    $2,300 to 3,500        $633,675
757..........................             491              58           3,770              1,700       2,685,770
767..........................             140              17           1,105              2,300         476,700
777..........................              56               3             195              1,700         106,120
----------------------------------------------------------------------------------------------------------------

    For Model 747 series airplanes listed in Group 1 in Boeing Service 
Bulletin 747-25-3253, Revision 3, in lieu of doing the modification of 
the drip shields, this proposed AD provides an option to take samples 
of the drip shields to determine if the modification is necessary. 
Therefore, the estimated costs above may be reduced if some airplanes 
do not need the modification. It would take approximately 18 work hours 
to do the sampling, at an average labor rate of $65 per work hour. 
Based on these figures, the cost impact of the sampling is estimated to 
be $1,170 per sampled airplane.
    As many as 350 U.S.-registered Model 757-200, -200CB, and -200PF 
series airplanes may be subject to the new proposed actions. These new 
actions would take about 8 additional work hours per airplane, at an 
average labor rate of $65 per work hour. Required parts would cost an 
additional $160 per airplane (for a total parts cost of $1,860 per 
airplane). Based on these figures, the estimated cost of the new 
actions specified in this proposed AD for U.S. operators of affected 
airplanes is up to an additional $238,000, or $680 per airplane.

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 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:

[[Page 49177]]

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 39-12054 (65 FR 
82901, December 29, 2000), and by adding the following new 
airworthiness directive (AD):

2005-17-09 Boeing: Amendment 39-14230. Docket No. FAA-2004-19865; 
Directorate Identifier 2003-NM-242-AD.

Effective Date

    (a) This AD becomes effective September 27, 2005.

Affected ADs

    (b) This AD supersedes AD 2000-26-04, amendment 39-12054.

Applicability

    (c) This AD applies to Model 747, 757, 767, and 777 series 
airplanes having the line numbers (L/Ns) listed in Table 1 of this 
AD; certificated in any category.

                                             Table 1.--Applicability
----------------------------------------------------------------------------------------------------------------
            Model                  Affected L/Ns                              Except L/Ns
----------------------------------------------------------------------------------------------------------------
747.........................  1 through 299 inclusive  292, 296, 297, 1174, 1216.
                               and 951 through 1234
                               inclusive.
757.........................  2 through 895 inclusive  870, 886, 894.
767.........................  470 through 768          758.
                               inclusive.
777.........................  2 through 253 inclusive  120, 219, 230, 235, 242, 245, 249.
----------------------------------------------------------------------------------------------------------------

Unsafe Condition

    (d) This AD was prompted by a determination that certain 
airplanes have drip shields that are not adequately resistant to 
fire. We are issuing this AD to prevent potential ignition of the 
moisture barrier cover of the drip shield, which could propagate a 
small fire that results from an electrical arc, leading to a larger 
fire.

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 2000-26-04

Modification

    (f) Within 6 years after February 2, 2001 (the effective date of 
AD 2000-26-04), accomplish paragraphs (f)(1), (f)(2), and (f)(3) of 
this AD; in accordance with Boeing Service Bulletin 747-25-3253, 
dated June 29, 2000, or Revision 3, dated September 4, 2003; 757-25-
0226, dated July 3, 2000, or Revision 3, dated September 2, 2004; 
757-25-0228, dated July 3, 2000, or Revision 1, dated March 28, 
2002; 767-25-0290, dated June 29, 2000, or Revision 4, dated October 
28, 2004; or 777-25-0164, dated June 29, 2000, or Revision 1, 
including Appendices A, B, C, and D, all dated March 22, 2001; as 
applicable; except as provided by paragraph (g) of this AD. For 
Model 757-200, -200CB, and -200PF series airplanes identified as 
being in Groups 1 and 3 in Boeing Service Bulletin 757-25-0226, 
Revision 3: As of the effective date of this AD, only Revision 3 of 
the service bulletin may be used. For Model 747 and 767 series 
airplanes: As of the effective date of this AD, only Boeing Service 
Bulletin 747-25-3253, Revision 3, or 767-25-0290, Revision 4, as 
applicable, may be used.
    (1) Modify drip shields located on the flight deck by installing 
fire blocks.
    (2) Prior to further flight following accomplishment of 
paragraph (f)(1) of this AD, perform a functional test of any system 
disturbed by the modification, in accordance with the applicable 
service bulletin or airplane maintenance manual (AMM), as 
applicable. If any functional test fails, prior to further flight, 
isolate the fault, correct the discrepancy in accordance with the 
applicable AMM, and repeat the failed test until it is successfully 
accomplished.
    (3) Prior to further flight following the accomplishment of 
paragraphs (f)(1) and (f)(2) of this AD, install placards on all 
modified drip shields.
    (g) If any wires or equipment are installed on the outboard 
surface of the drip shield (that is, between the drip shield and the 
airplane structure), modify that area in accordance with a method 
approved by the Manager, Seattle Aircraft Certification Office 
(ACO), FAA.

Optional Sampling (Certain Model 747 Series Airplanes)

    (h) For Model 747 series airplanes listed in Group 1 in Boeing 
Service Bulletin 747-25-3253, Revision 3, dated September 4, 2003: 
In lieu of accomplishing paragraph (f) of this AD, within 6 years 
after February 2, 2001, collect samples of the insulation and 
adhesive of the drip shields, and submit the samples to the 
manufacturer for testing, in accordance with the Accomplishment 
Instructions of Boeing Service Bulletin 747-25-3253, dated June 29, 
2000, or Revision 3, dated September 4, 2003. After the effective 
date of this AD, only Revision 3 may be used.
    (1) If the test on all samples is positive, no further action is 
required by this AD.
    (2) If the test on any sample is negative, accomplish paragraph 
(f) of this AD before the compliance time specified in that 
paragraph.

New Requirements of This AD

Model 757-200/-200CB/-200PF Series Airplanes Previously Modified

    (i) For Model 757-200, -200CB, and -200PF series airplanes 
identified as being in Group 1 or 3 in Boeing Service Bulletin 757-
25-0226, Revision 3, dated September 2, 2004, and that were modified 
before the effective date of this AD in accordance with Boeing 
Service Bulletin 757-25-0226, dated July 3, 2000: Within 72 months 
after the effective date of this AD, modify drip shields located 
above windows number 2 and 3 on the flight deck by installing fire 
blocks, in accordance with the Accomplishment Instructions of Boeing 
Service Bulletin 757-25-0226, Revision 3, dated September 2, 2004; 
except as provided by paragraph (g) of this AD. After the 
modification, do the actions required by paragraphs (f)(2) and 
(f)(3) of this AD because these actions apply to the drip shields 
modified in accordance with this paragraph.

Previously Accomplished Actions

    (j) Modifying the drip shields before the effective date of this 
AD in accordance with the applicable service bulletin specified in 
paragraph (j)(1), (j)(2), or (j)(3) of this AD is acceptable for 
compliance with the corresponding requirements of paragraphs (f) and 
(i) of this AD, as applicable.
    (1) For Model 757-200, -200CB, and -200PF series airplanes: 
Boeing Service Bulletin 757-25-0226, Revision 2, dated October 31, 
2002.
    (2) For Model 757-200, -200CB, and -200PF series airplanes 
identified in Groups 2 and 4 of Boeing Service Bulletin 757-25-0226, 
Revision 3, dated September 2, 2004: Boeing Service Bulletin 757-25-
0226, Revision 1, dated February 15, 2001.
    (3) For Model 767 series airplanes: Boeing Service Bulletin 767-
25-0290, Revision 3, dated June 26, 2003.

Alternative Methods of Compliance (AMOCs)

    (k)(1) The Manager, Seattle ACO, FAA, has the authority to 
approve AMOCs for this AD, if requested using the procedures found 
in 14 CFR 39.19.
    (2) Except for Model 757-200, -200CB, and -200PF series 
airplanes listed in Groups 1 and 3 of Boeing Service Bulletin 757-
25-0226, Revision 3, dated September 2, 2004: Alternative methods of 
compliance, approved previously in accordance with AD 2000-26-04, 
amendment 39-12054, are approved as alternative methods of 
compliance with this AD.

Material Incorporated by Reference

    (l) You must use the applicable documents listed in Table 2 of 
this AD to perform the actions that are required by this AD, unless 
the AD specifies otherwise.

[[Page 49178]]



                                  Table 2.--Material Incorporated by Reference
----------------------------------------------------------------------------------------------------------------
         Boeing service bulletin                   Revision level                           Date
----------------------------------------------------------------------------------------------------------------
747-25-3253, including Appendices A, B,   Original........................  June 29, 2000.
 and C.
747-25-3253.............................  3...............................  September 4, 2003.
757-25-0226, including Appendices A, B,   Original........................  July 3, 2000.
 and C.
757-25-0226.............................  3...............................  September 2, 2004.
757-25-0228, including Appendices A, B,   Original........................  July 3, 2000.
 and C.
757-25-0228.............................  1...............................  March 28, 2002.
767-25-0290, including Appendices A, B,   Original........................  June 29, 2000.
 and C.
767-25-0290.............................  4...............................  October 28, 2004.
777-25-0164, including Appendices A, B,   Original........................  June 29, 2000.
 and C.
777-25-0164, including Appendices A, B,   1...............................  March 22, 2001.
 C, and D.
----------------------------------------------------------------------------------------------------------------

    (1) The Director of the Federal Register approves the 
incorporation by reference of the documents listed in Table 3 of 
this AD in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.

                                Table 3.--New Material Incorporated by Reference
----------------------------------------------------------------------------------------------------------------
         Boeing service bulletin                   Revision level                           Date
----------------------------------------------------------------------------------------------------------------
747-25-3253.............................  3...............................  September 4, 2003.
757-25-0226.............................  3...............................  September 2, 2004.
757-25-0228.............................  1...............................  March 28, 2002.
767-25-0290.............................  4...............................  October 28, 2004.
777-25-0164, including Appendices A, B,   1...............................  March 22, 2001.
 C, and D.
----------------------------------------------------------------------------------------------------------------

    (2) On February 2, 2001 (65 FR 82901, December 29, 2000), the 
Director of the Federal Register approved the incorporation by 
reference of the documents listed in Table 4 of this AD.

                             Table 4.--Material Previously Incorporated by Reference
----------------------------------------------------------------------------------------------------------------
         Boeing service bulletin                   Revision level                           Date
----------------------------------------------------------------------------------------------------------------
747-25-3253, including Appendices A, B,   Original........................  June 29, 2000.
 and C.
757-25-0226, including Appendices A, B,   Original........................  July 3, 2000.
 and C.
757-25-0228, including Appendices A, B,   Original........................  July 3, 2000.
 and C.
767-25-0290, including Appendices A, B,   Original........................  June 29, 2000.
 and C.
777-25-0164, including Appendices A, B,   Original........................  June 29, 2000.
 and C.
----------------------------------------------------------------------------------------------------------------

    (3) To get copies of the service information, contact Boeing 
Commercial Airplanes, P.O. Box 3707, Seattle, Washington 98124-2207. 
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/cfr/ibr-locations.html.

    Issued in Renton, Washington, on August 11, 2005.
Kalene C. Yanamura,
Acting Manager, Transport Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. 05-16455 Filed 8-22-05; 8:45 am]
BILLING CODE 4910-13-P