Document ID: FAA-2010-0674-0006
Agency: faa
Document Type: Rule
Title: Airworthiness Directives: Boeing Co. Model 737-200, -300, -400, and -500 Series Airplanes
Posted Date: 2010-12-28T05:00Z

[Federal Register Volume 75, Number 248 (Tuesday, December 28, 2010)]
[Rules and Regulations]
[Pages 81430-81433]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: 2010-31985]

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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2010-0674; Directorate Identifier 2010-NM-012-AD; 
Amendment 39-16546; AD 2010-26-07]
RIN 2120-AA64

Airworthiness Directives; The Boeing Company Model 747 Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

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SUMMARY: We are adopting a new airworthiness directive (AD) for the 
products listed above. This AD requires repetitive inspections for 
cracking in the body skin around the aft corners of the nose wheel 
well; for certain airplanes, repetitive inspections for cracking in the 
skin splice plate at the aft corners of the nose wheel well; and 
related investigative and corrective actions if necessary. This AD also 
requires repetitive post-modification inspections for cracking in the 
body skin and the skin splice plate; for certain airplanes, an 
inspection for steel cross-shaped doublers on the larger aluminum 
doublers; and corrective action if necessary. This AD also requires 
repetitive surface high frequency eddy current (HFEC) inspections of a 
certain bulkhead outer chord, skin splice plate, and outer chord radius 
filler for cracking; repetitive detailed inspections for cracking of 
the bulkhead frame web and body skin; and corrective actions if 
necessary. This AD provides for optional terminating action for certain 
repetitive inspections. This AD was prompted by reports of cracking of 
the fuselage skin and adjacent internal skin splice plate at the left 
and right nose wheel well aft corners, and the outer chord of the body 
station (BS) 400 bulkhead. We are issuing this AD to detect and correct 
cracking of the fuselage skin or splice plate, which, together with 
cracking of the bulkhead outer chord, could result in large skin cracks 
and subsequent in-flight rapid decompression of the airplane.

DATES: This AD is effective February 1, 2011.
    The Director of the Federal Register approved the incorporation by 
reference of a certain publication listed in the AD as of February 1, 
2011.

ADDRESSES: For service information identified in this AD, contact 
Boeing Commercial Airplanes, Attention: Data & Services Management, 
P.O. Box 3707, MC 2H-65, Seattle, Washington 98124-2207; telephone 206-
544-5000, extension 1; fax 206-766-5680; e-mail me.boecom@boeing.com; 
Internet https://www.myboeingfleet.com. You may review copies of the 
referenced service information at the FAA, Transport Airplane 
Directorate, 1601 Lind Avenue, SW., Renton, Washington. For information 
on the availability of this material at the FAA, call 425-227-1221.

Examining the AD Docket

    You may examine the AD docket on the Internet at http://www.regulations.gov; or in person at the Docket Management Facility 
between 9 a.m. and 5 p.m., Monday through Friday, except Federal 
holidays. The AD docket contains this AD, the regulatory evaluation, 
any comments received, and other information. The address for the 
Docket Office (phone: 800-647-5527) is Document Management Facility, 
U.S. Department of Transportation, Docket Operations, M-30, West 
Building Ground Floor, Room W12-140, 1200 New Jersey Avenue, SE., 
Washington, DC 20590.

FOR FURTHER INFORMATION CONTACT: Steven Fox, Senior Aerospace Engineer, 
Airframe Branch, ANM-120S, FAA, Seattle Aircraft Certification Office, 
1601 Lind Avenue, SW., Renton, Washington 98057-3356; telephone (425) 
917-6425; fax (425) 917-6590; e-mail: steven.fox@faa.gov.

SUPPLEMENTARY INFORMATION:

Discussion

    We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR 
part 39 to include an airworthiness directive (AD) that would apply to 
the specified products. That NPRM published in the Federal Register on 
July 8, 2010 (75 FR 39189). That NPRM proposed to require repetitive 
inspections for cracking in the body skin around the aft corners of the 
nose wheel well; for certain airplanes, repetitive inspections for 
cracking in the skin splice plate at the aft corners of the nose wheel 
well; and related investigative and corrective actions if

[[Page 81431]]

necessary. The NPRM also proposed to require repetitive post-
modification inspections for cracking in the body skin and the skin 
splice plate; for certain airplanes, an inspection for steel cross-
shaped doublers on the larger aluminum doublers; and corrective action 
if necessary. The NPRM also proposed to require repetitive surface high 
frequency eddy current (HFEC) inspections of a certain bulkhead outer 
chord, skin splice plate, and outer chord radius filler for cracking; 
repetitive detailed inspections for cracking of the bulkhead frame web 
and body skin; and corrective actions if necessary. That NPRM also 
proposed to provide for optional terminating action for certain 
repetitive inspections.

Comments

    We gave the public the opportunity to participate in developing 
this AD. The following presents the comments received on the proposal 
and the FAA's response to each comment.

Request To Revise Paragraph (r) of the NPRM

    Boeing requested that we revise paragraph (r) of the NPRM to note 
that the threshold of the initial inspection, in accordance with Boeing 
Document No. D6-35022, Volumes 1 and 2 ``Supplemental Structural 
Inspection Document (SSID) for Model 747 Airplanes,'' Revision G, dated 
December 2000, Item F-4, remains as given in AD 2004-07-22 R1 (73 FR 
1052, January 7, 2008) (A correction to AD 2004-07-22 R1 was published 
in the Federal Register on February 14, 2008 (73 FR 8589)). Boeing 
stated that while the inspection method and intervals provided in 
Boeing Alert Service Bulletin 747-53A2305, Revision 2, dated January 
15, 2009, are alternative methods of compliance (AMOCs) to Revision G 
of the Model 747 SSID, Item F-4, the requirement to comply with the 
SSID inspection threshold remains as given in AD 2004-07-22 R1.
    We disagree with the request to revise paragraph (r) of this AD to 
include the requested notation. Paragraph (r) of this AD does not 
provide any indication of change to the initial inspection threshold 
for the initial inspection according to Revision G of the Model 747 
SSID, Item F-4. As the commenter stated, the inspection threshold for 
Item F-4 remains as given in AD 2004-07-22 R1. Paragraph (b) of this AD 
also indicates that no other AD is affected by this AD. No change has 
been made to the AD in this regard.

Request To Include Alternative Inspection Procedures as AMOCs or To 
Extend the Grace Period

    Japan Airlines (JAL) requested approval of an AMOC for inspections 
for airplanes that have been previously repaired. JAL stated that 14 of 
its Model 747-400 airplanes have had repair doublers already installed 
in the affected areas that deviate from Boeing Alert Service Bulletin 
747-53A2305, Revision 2, dated January 15, 2009; therefore, alternative 
inspection procedures are necessary for the repaired structure. JAL 
stated that it will have to obtain AMOC approval for each of its 14 
airplanes. JAL also stated that since it takes additional work for both 
JAL and Boeing to obtain the AMOC approval, an exception should be 
allowed to admit all of the existing repairs as an AMOC for the 
proposed actions. JAL also proposed the alternative of an approval 
letter from the FAA for their existing repairs before the effective 
date of the AD. As an alternative, JAL requested a grace period to 
allow an extended compliance time for the inspection of previously 
repaired airplanes.
    We disagree with the request for AMOC approval for previously 
repaired airplanes and for a grace period. An AMOC cannot be included 
in an AD, because an AMOC can be written for an AD only after the AD is 
published. Because the repairs previously done on these 14 airplanes 
can be unique to each airplane and are different from the repair 
requirements of this AD, each instance will need to be re-evaluated for 
this AD as an AMOC to ensure continued operational safety. However, 
under the provisions of paragraph (u) of this AD, after the AD is 
published we will consider requests for approval of an alternative 
method of compliance if sufficient data are submitted to substantiate 
that the previous repairs would provide an acceptable level of safety.
    We also disagree with the request to include a grace period. A 
grace period of 1,500 flight hours from the effective date of this AD 
was already included in paragraphs (k), (o), and (r) of this AD.
    No change has been made to this AD.

Conclusion

    We reviewed the relevant data, considered the comments received, 
and determined that air safety and the public interest require adopting 
the AD as proposed.

Costs of Compliance

    We estimate that this AD affects 160 airplanes of U.S. registry.
    We estimate the following costs to comply with this AD:

                                                                 Table--Estimated Costs
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                                            Average labor rate                      Number of U.S.-registered
                Action                      Work hours           per hour        Cost per product           airplanes                  Fleet cost
--------------------------------------------------------------------------------------------------------------------------------------------------------
Inspections: Body Skin and Skin Splice                   1                 $85                 $85  160......................  $13,600.
 Plate.
Modification: Groups 1-3 \1\..........                 180                  85              15,300  Up to 27.................  Up to $413,100.
Modification: Groups 1-3 \2\..........                 320                  85              27,200  Up to 27.................  Up to $734,400.
Modification: Groups 4-8 \3\..........                 180                  85              15,300  Up to 133................  Up to $2,034,900.
Modification: Groups 4-7 \4\..........                  40                  85               3,400  Up to 44.................  Up to $149,600.
Post-Mod LFEC Inspection \5\..........                   6                  85                 510  Up to 160................  Up to $81,600.
Inspections: Bulkhead Outer Chord \6\.                   4                  85                 340  Up to 160................  Up to $54,400.
--------------------------------------------------------------------------------------------------------------------------------------------------------
\1\ Installation of skin and splice plate doubler for Groups 1-3 airplanes that have not done Boeing Service Bulletin 747-53-2150 or Figure 35 of
  Section 53-30-03 of the Boeing 747 Structural Repair Manual.
\2\ Installation of skin and splice plate doubler for Groups 1-3 airplanes that have done Boeing Service Bulletin 747-53-2150 or Figure 35 of Section 53-
  30-03 of the Boeing 747 Structural Repair Manual.
\3\ Installation of skin and splice plate doubler for Groups 4-8 airplanes.
\4\ Installation of splice plate doubler for Groups 4-7 airplanes changed before Boeing Alert Service Bulletin 747-53A2305, Revision 2, dated January
  15, 2009.
\5\ Inspection for skin cracks around the fasteners at the periphery of the modification doublers.
\6\ Includes inspection of the frame web and body skin.

[[Page 81432]]

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

    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),
    (3) Will not affect intrastate aviation in Alaska, and
    (4) 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.

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 adding the following new airworthiness 
directive (AD):

2010-26-07 The Boeing Company: Amendment 39-16546; Docket No. FAA-
2010-0674; Directorate Identifier 2010-NM-012-AD.

Effective Date

    (a) This AD is effective February 1, 2011.

Affected ADs

    (b) None.

Applicability

    (c) This AD applies to all The Boeing Company Model 747-100, 
747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-
400, 747-400D, 747-400F, 747SR, and 747SP series airplanes, 
certificated in any category.

Subject

    (d) Air Transport Association (ATA) of America Code 53: 
Fuselage.

Unsafe Condition

    (e) This AD results from reports of cracking of the fuselage 
skin and adjacent internal skin splice plate at the left and right 
nose wheel well aft corners, and the outer chord of the body station 
(BS) 400 bulkhead. The Federal Aviation Administration is issuing 
this AD to detect and correct cracking of the fuselage skin or 
splice plate, which, together with cracking of the bulkhead outer 
chord, could result in large skin cracks and subsequent in-flight 
rapid decompression of the airplane.

Compliance

    (f) You are responsible for having the actions required by this 
AD performed within the compliance times specified, unless the 
actions have already been done.

Pre-Modification Inspections

    (g) For airplanes in Groups 1 through 3, as identified in Boeing 
Alert Service Bulletin 747-53A2305, Revision 2, dated January 15, 
2009, that have not been modified in accordance with Boeing Service 
Bulletin 747-53-2150; have not been repaired in accordance with 
Figure 35 of Section 53-30-03 of Boeing 747 Structural Repair Manual 
(SRM); and have not been modified in accordance with Boeing Alert 
Service Bulletin 747-53A2305: Before the accumulation of 3,000 total 
flight cycles, or within 1,500 flight cycles after the effective 
date of this AD, whichever occurs later, do an external detailed 
inspection for cracks in the body skin around the aft corners of the 
nose wheel well, and skin splice plate at the aft corners of the 
nose wheel well, in accordance with the Accomplishment Instructions 
of Boeing Alert Service Bulletin 747-53A2305, Revision 2, dated 
January 15, 2009.
    (h) For airplanes in Groups 1 through 3, as identified in Boeing 
Alert Service Bulletin 747-53A2305, Revision 2, dated January 15, 
2009, that have been modified in accordance with Boeing Service 
Bulletin 747-53-2150; or repaired in accordance with Figure 35 of 
Section 53-30-03 of Boeing 747 SRM: Within 6,000 flight cycles after 
doing the modification or repair, or within 1,500 flight cycles 
after the effective date of this AD, whichever occurs later, do an 
external detailed inspection for cracks in the body skin around the 
aft corners of the nose wheel well, and skin splice plate at the aft 
corners of the nose wheel well, in accordance with the 
Accomplishment Instructions of Boeing Alert Service Bulletin 747-
53A2305, Revision 2, dated January 15, 2009.
    (i) For airplanes in Groups 4 through 7, as identified in Boeing 
Alert Service Bulletin 747-53A2305, Revision 2, dated January 15, 
2009, that have not been modified in accordance with Boeing Alert 
Service Bulletin 747-53A2305: Prior to the accumulation of 3,000 
total flight cycles, or within 1,500 flight cycles after the 
effective date of this AD, whichever occurs later, do an external 
detailed inspection for cracks in the body skin around the aft 
corners of the nose wheel well, in accordance with the 
Accomplishment Instructions of Boeing Alert Service Bulletin 747-
53A2305, Revision 2, dated January 15, 2009.
    (j) For airplanes in Groups 4 through 7, as identified in Boeing 
Alert Service Bulletin 747-53A2305, Revision 2, dated January 15, 
2009, that have been modified in accordance with Boeing Service 
Bulletin 747-53-2305, dated June 27, 1991; or Revision 1, dated May 
22, 1997: Within 1,000 flight cycles after the effective date of 
this AD, do a one-time external general visual inspection for steel 
cross-shaped doublers, in accordance with the Accomplishment 
Instructions of Boeing Alert Service Bulletin 747-53A2305, Revision 
2, dated January 15, 2009. If no cross-shaped doublers are 
installed, within 1,500 flight cycles after the effective date of 
this AD, install cross-shaped doublers, in accordance with the 
Accomplishment Instructions of Boeing Alert Service Bulletin 747-
53A2305, Revision 2, dated January 15, 2009.
    (k) For airplanes in Group 8, as identified in Boeing Alert 
Service Bulletin 747-53A2305, Revision 2, dated January 15, 2009: 
Prior to the accumulation of 3,000 total flight cycles, or within 
1,500 flight cycles after the effective date of this AD, whichever 
occurs later, do an external detailed inspection for cracks in the 
body skin around the aft corners of the nose wheel well, in 
accordance with the Accomplishment Instructions of Boeing Alert 
Service Bulletin 747-53A2305, Revision 2, dated January 15, 2009.
    (l) If no crack is found during any inspection required by 
paragraph (g), (h), (i), or (k) of this AD, repeat the applicable 
inspection specified in paragraph (g), (h), (i), or (k) of this AD 
thereafter at intervals not to exceed 1,500 flight cycles, until the 
modification specified in paragraph (n) of this AD is accomplished.
    (m) If any crack is found during any inspection required by 
paragraph (g), (h), (i), (k), or (l) of this AD, before further 
flight, modify the aft corners of the nose wheel well by installing 
modification doublers and doing all applicable related investigative 
and corrective actions, in accordance with the Accomplishment 
Instructions of Boeing Alert Service Bulletin 747-53A2305, Revision 
2,

[[Page 81433]]

dated January 15, 2009, except as required by paragraph (t) of this 
AD.

Optional Terminating Action

    (n) Modification of the aft corners of the nose wheel well by 
installing modification doublers and doing all applicable related 
investigative and corrective actions, in accordance with the 
Accomplishment Instructions of Boeing Alert Service Bulletin 747-
53A2305, Revision 2, dated January 15, 2009, terminates the 
repetitive inspections required by paragraph (l) of this AD for the 
modified side only. Where Boeing Alert Service Bulletin 747-53A2305, 
Revision 2, dated January 15, 2009, specifies to contact Boeing for 
appropriate action, repair using a method approved in accordance 
with the procedures specified in paragraph (u) of this AD.

Post-Modification Repetitive Inspections

    (o) For airplanes on which the modification specified in Boeing 
Alert Service Bulletin 747-53A2305, Revision 2, dated January 15, 
2009, has been done: At the applicable time specified in paragraph 
(o)(1) or (o)(2) of this AD, do an external low frequency eddy 
current inspection for skin cracks around the fasteners at the 
periphery of the modification doublers, in accordance with the 
Accomplishment Instructions of Boeing Alert Service Bulletin 747-
53A2305, Revision 2, dated January 15, 2009.
    (1) For airplanes on which the edge row fastener holes common to 
the external modification doublers have been zero-timed in 
accordance with the Accomplishment Instructions of Boeing Alert 
Service Bulletin 747-53A2305, Revision 2, dated January 15, 2009: 
Within 15,000 flight cycles after accomplishing the modification, or 
within 1,500 flight cycles after the effective date of this AD, 
whichever occurs later.
    (2) For airplanes on which the edge row fastener holes common to 
the external modification doublers have not been zero-timed in 
accordance with the Accomplishment Instructions of Boeing Alert 
Service Bulletin 747-53A2305, Revision 2, dated January 15, 2009: 
Prior to the accumulation of 15,000 total flight cycles, or within 
1,500 flight cycles after the effective date of this AD, whichever 
occurs later.
    (p) If no cracking is found during the inspection required by 
paragraph (o) of this AD, repeat the inspection specified in 
paragraph (o) of this AD thereafter at intervals not to exceed 1,500 
flight cycles.
    (q) If any cracking is found during any inspection required by 
paragraph (o) or (p) of this AD, before further flight, repair using 
a method approved in accordance with the procedures specified in 
paragraph (u) of this AD.

Body Station (BS) 400 Bulkhead Outer Chord Inspection

    (r) For all airplanes: At the latest of the times specified in 
paragraphs (r)(1), (r)(2), and (r)(3) of this AD, do a surface HFEC 
inspection for cracking in the BS 400 bulkhead outer chord, skin 
splice plate, and outer chord radius filler; and a detailed 
inspection for cracking of the bulkhead frame web and body skin; in 
accordance with the Accomplishment Instructions of Boeing Alert 
Service Bulletin 747-53A2305, Revision 2, dated January 15, 2009. If 
no cracking is found during any inspection, repeat the inspection 
one time within 6,000 flight cycles, and thereafter at intervals not 
to exceed 3,000 flight cycles.
    (1) Before the accumulation of 20,000 total flight cycles.
    (2) Within 3,000 flight cycles after doing the HFEC inspection 
required by AD 2004-07-22 R1, Amendment 39-15326, for structural 
significant item (SSI) F-4B of the Boeing Document No. D6-35022, 
``Supplemental Structural Inspection Document (SSID) for Model 747 
Airplanes,'' Revision G, dated December 2000.
    (3) Within 1,500 flight cycles after the effective date of this 
AD.
    (s) If any cracking is found during any inspection required by 
paragraph (r) of this AD, before further flight, repair in 
accordance with the Accomplishment Instructions of Boeing Alert 
Service Bulletin 747-53A2305, Revision 2, dated January 15, 2009, 
except as required by paragraph (t) of this AD. Within 6,000 flight 
cycles after doing the repair, do the inspections specified in 
paragraph (r) of this AD, and repeat the inspections thereafter at 
intervals not to exceed 3,000 flight cycles.

Service Bulletin Exception

    (t) If any cracking is found during any inspection required by 
this AD, and Boeing Alert Service Bulletin 747-53A2305, Revision 2, 
dated January 15, 2009, specifies to contact Boeing for appropriate 
action: Before further flight, repair the crack using a method 
approved in accordance with the procedures specified in paragraph 
(u) of this AD.

Alternative Methods of Compliance (AMOCs)

    (u)(1) The Manager, Seattle Aircraft Certification Office (ACO), 
FAA, has the authority to approve AMOCs for this AD, if requested 
using the procedures found in 14 CFR 39.19. Send information to 
Attn: Steven Fox, Senior Aerospace Engineer, Airframe Branch, ANM-
120S, FAA, Seattle Aircraft Certification Office, 1601 Lind Avenue 
SW., Renton, Washington 98057-3356; telephone (425) 917-6425; fax 
(425) 917-6590. Information may be e-mailed to: 9-ANM-Seattle-ACO-AMOC-Requests@faa.gov.
    (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 principal maintenance inspector (PMI) or 
principal avionics inspector (PAI), as appropriate, or lacking a 
principal inspector, your local Flight Standards District Office. 
The AMOC approval letter must specifically reference this AD.
    (3) An AMOC that provides an acceptable level of safety may be 
used for any repair required by this AD if it is approved by the 
Boeing Commercial Airplanes Organization Designation Authorization 
(ODA) that has been authorized by the Manager, Seattle ACO to make 
those findings. For a repair method to be approved, the repair must 
meet the certification basis of the airplane and the approval must 
specifically refer to this AD.

Related Information

    (v) For more information about this AD, contact Steven Fox, 
Senior Aerospace Engineer, Airframe Branch, ANM-120S, FAA, Seattle 
Aircraft Certification Office, 1601 Lind Avenue, SW., Renton, 
Washington 98057-3356; telephone (425) 917-6425; fax (425) 917-6590; 
e-mail: steven.fox@faa.gov.

Material Incorporated by Reference

    (w) You must use Boeing Alert Service Bulletin 747-53A2305, 
Revision 2, dated January 15, 2009, to do the actions required by 
this AD, unless the AD specifies otherwise. The optional actions, if 
accomplished, shall be done in accordance with Boeing Alert Service 
Bulletin 747-53A2305, Revision 2, dated January 15, 2009.
    (1) The Director of the Federal Register approved the 
incorporation by reference of this service information under 5 
U.S.C. 552(a) and 1 CFR part 51.
    (2) For service information identified in this AD, contact 
Boeing Commercial Airplanes, Attention: Data & Services Management, 
P.O. Box 3707, MC 2H-65, Seattle, Washington 98124-2207; telephone 
206-544-5000, extension 1; fax 206-766-5680; e-mail 
me.boecom@boeing.com; Internet https://www.myboeingfleet.com.
    (3) You may review copies of the service information at the FAA, 
Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, 
Washington. For information on the availability of this material at 
the FAA, call 425-227-1221.
    (4) You may also review copies of the service information that 
is incorporated by reference at the National Archives and Records 
Administration (NARA). For information on the availability of this 
material at an NARA facility, 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 December 13, 2010.
Ali Bahrami,
Manager, Transport Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. 2010-31985 Filed 12-27-10; 8:45 am]
BILLING CODE 4910-13-P