82 FR 49494 - Airworthiness Directives; The Boeing Company Airplanes
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration Federal Register Volume 82, Issue 206 (October 26, 2017)
Federal Aviation Administration
Federal Register Volume 82, Issue 206 (October 26, 2017)
| Page Range | 49494-49498 | |
| FR Document | 2017-22950 |
[Federal Register Volume 82, Number 206 (Thursday, October 26, 2017)] [Rules and Regulations] [Pages 49494-49498] From the Federal Register Online [www.thefederalregister.org] [FR Doc No: 2017-22950] ----------------------------------------------------------------------- DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA-2017-0332; Product Identifier 2016-NM-164-AD; Amendment 39-19084; AD 2017-22-04] RIN 2120-AA64 Airworthiness Directives; The Boeing Company Airplanes AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final rule. ----------------------------------------------------------------------- SUMMARY: We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-200, -200C, -300, -400, and -500 series airplanes. This AD was prompted by reports of skin doublers that disbonded from their skin panels. This AD requires repetitive inspections of fuselage skin panels, and applicable on-condition actions. We are issuing this AD to address the unsafe condition on these products. DATES: This AD is effective November 30, 2017. The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD as of November 30, 2017. ADDRESSES: For service information identified in this final rule, contact Boeing Commercial Airplanes, Attention: Contractual & Data Services (C&DS), 2600 Westminster Blvd., MC 110 SK57, Seal Beach, CA 90740 5600; telephone 562-797-1717; Internet https://www.myboeingfleet.com. You may view this referenced service information at the FAA, Transport Standards Branch, 1601 Lind Avenue SW., Renton, WA. For information on the availability of this material at the FAA, call 425-227-1221. It is also available on the Internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2017- 0332. Examining the AD Docket You may examine the AD docket on the Internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2017- 0332; 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 final rule, the regulatory evaluation, any comments received, and other information. The address for the Docket Office (phone: 800-647-5527) is Docket Management Facility, U.S. Department of Transportation, Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200 [[Page 49495]] New Jersey Avenue SE., Washington, DC 20590. FOR FURTHER INFORMATION CONTACT: Jennifer Tsakoumakis, Aerospace Engineer, Airframe Section, FAA, Los Angeles ACO Branch, 3960 Paramount Boulevard, Lakewood, CA 90712-4137; phone: 562-627-5264; fax: 562-627- 5210; email: jennifer.tsakoumakis@faa.gov. SUPPLEMENTARY INFORMATION: Discussion We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR part 39 by adding an AD that would apply to certain The Boeing Company Model 737-200, -200C, -300, -400, and -500 series airplanes. The NPRM published in the Federal Register on May 2, 2017 (82 FR 20450). The NPRM was prompted by reports of skin doublers that disbonded from their skin panels. The NPRM proposed to require repetitive inspections of fuselage skin panels, and applicable on-condition actions. We are issuing this AD to detect and correct disbonded skin panels, which could result in fuselage skin cracking, rapid decompression, and loss of structural integrity of the airplane. Comments We gave the public the opportunity to participate in developing this final rule. The following presents the comments received on the NPRM and the FAA's response to each comment. Effect of Winglets on Accomplishment of the Proposed Actions Aviation Partners Boeing stated that accomplishing Supplemental Type Certificate (STC) ST01219SE does not affect the ability to accomplish the actions specified in the NPRM. We concur with the commenter. We have redesignated paragraph (c) of the proposed AD as paragraph (c)(1) and added paragraph (c)(2) to this AD to state that installation of STC ST01219SE does not affect the ability to accomplish the actions required by this AD. Therefore, for airplanes on which STC ST01219SE is installed, a ``change in product'' alternative methods of compliance (AMOC) approval request is not necessary to comply with the requirements of 14 CFR 39.17. Request To Revise ``Explanation of Certain Compliance Times'' Section Boeing requested that the ``Explanation of Certain Compliance Times'' section in the preamble of the NPRM be revised to clarify that only disbonded skin panels need to be replaced. Boeing noted that, if a panel is disbonded, it is considered a suspect panel that went through improper processing during the phosphoric acid anodization phase of manufacturing. Boeing stated that the suspect panel could develop an additional disbond, which could lead to further damage, and then the inspections described in the service information might not be adequate. We acknowledge the commenter's request to clarify that only disbonded skin panels need to be replaced, for the reasons provided by the commenter. We agree with the rationale for the request. However, the ``Explanation of Certain Compliance Times'' section only appears in the preamble of the NPRM and is not carried over into this final rule; therefore, no change to this final rule is necessary regarding this issue. Request To Include Previously Accomplished Actions as Terminating Actions Qantas requested that we include previously accomplished repairs as terminating actions in paragraph (i) of the proposed AD. Qantas requested that paragraph (i) of the proposed AD be revised to include a provision for previously installed repairs (solid skin panel replacements) that were approved by an authorized representative of the Boeing Commercial Airplanes Organization Designation Authorization (ODA) via FAA Form 8110-3, ``Statement of Compliance with the Federal Aviation Regulations.'' Qantas stated that Boeing ODA-approved repairs completed prior to issuance of Boeing Alert Service Bulletin 737- 53A1349, dated August 23, 2016, were not addressed in the NPRM. Qantas also suggested that solid skin panel replacements approved via FAA Form 8100-9, ``Statement of Compliance with Airworthiness Standards,'' be included as terminating action. Qantas stated that including skin panel replacements approved via FAA Form 8100-9 as terminating action could help avoid operators' requests for AMOCs. In addition, Qantas recommended that the language used for approved repairs by an authorized representative of the Boeing ODA be revised, as it is not specific to FAA Form 8110-3 or FAA Form 8100-9. We agree with the commenter's request. Paragraph (i)(1) of this AD (paragraph (i) of the proposed AD) addresses previously installed repairs approved by an authorized representative of the Boeing ODA. Existing Boeing ODA-approved repairs or preventative modifications are included in notes in Part 1, Part 2, and Part 8 of the Accomplishment Instruction and in note (a) to tables 1 through 8 in paragraph 1.E., ``Compliance,'' of Boeing Alert Service Bulletin 737-53A1349, dated August 23, 2016. Note (a) states, ``If any Boeing ODA approved preventative modification or repair was previously installed via FAA Form 8100-9 or [structural repair manual] SRM repair doubler (except disbond repair), initial and repeat inspections are not required at the repaired location only.'' However, repairs that were not approved by the Boeing ODA and replacements not done using Boeing Alert Service Bulletin 737-53A1349, dated August 23, 2016, were not addressed in the proposed AD. Therefore, we have redesignated paragraph (i) (in the proposed AD) as paragraph (i)(1) and added paragraph (i)(2) to this AD to state that any skin panel replacement done before the effective date of this AD terminates the inspections required by paragraph (g) of this AD for that skin panel only, provided the replacement was done using a skin panel manufactured on or after April 1, 1997, and the replacement was done using an FAA-approved method. A replacement accomplished using an FAA-approved method would still address the unsafe condition and the need for the inspections required by paragraph (g) of this AD would be terminated. We have also added paragraph (i)(3) to this AD to state that any FAA-approved reinforced repair doubler (except disbond repair) installed before the effective date of this AD terminates the inspections required by paragraph (g) of this AD at the repaired location only. Request To Allow Termination of All Inspections Southwest Airlines (SWA) requested that we allow the terminating action specified in paragraph (i) of the proposed AD to terminate the initial inspections in paragraph (g) of the proposed AD and not only the repetitive inspections in paragraph (g) of the proposed AD. Specifically, SWA requested that paragraph (i) of the proposed AD be revised to include the provision that replacement of any skin panel in accordance with the Accomplishment Instructions of Boeing Alert Service Bulletin 737-53A1349, dated August 23, 2016, except as specified in paragraph (h)(2) of the proposed AD, terminates the requirement for the initial inspection specified in paragraph (g) of the proposed AD, for the replaced skin panel only. SWA noted that an operator could replace a skin panel prior to doing [[Page 49496]] the initial inspection specified in paragraph (g) of the proposed AD, therefore the operator would not be required to do the initial or repetitive inspections specified in paragraph (g) of the proposed AD. We agree with the commenters' requests. We have clarified paragraph (i)(1) of this AD (paragraph (i) of the proposed AD) to state that accomplishment of any skin panel replacement using a skin panel manufactured on or after April 1, 1997, terminates the inspections required by paragraph (g) of this AD for that skin panel only, provided the replacement is done as specified in the Accomplishment Instructions of Boeing Alert Service Bulletin 737-53A1349, dated August 23, 2016, except as required by paragraph (h)(2) of this AD. Request To Include an Additional Terminating Action for AD 2003-14-06 SWA requested that paragraph (j) of the proposed AD be revised to include a provision that replacement of skin panels, in accordance with the Accomplishment Instructions of Boeing Alert Service Bulletin 737- 53A1349, dated August 23, 2016, except as required by paragraph (h)(2) of the proposed AD, terminates all of the requirements of AD 2003-14- 06, Amendment 39-13225 (68 FR 40759, July 9, 2003; corrected July 21, 2003 (68 FR 42596) (``AD 2003-14-06'')). SWA noted that an operator could replace a skin panel prior to doing the initial inspection specified in paragraph (g) of the proposed AD; therefore, the operator would not be required to do the initial or repetitive inspections specified in paragraph (g) of the proposed AD, and all of the requirements of AD 2003-14-06 would be terminated. We agree with the commenter's request. We redesignated paragraph (j) in the proposed AD as paragraph (j)(1) and added paragraph (j)(2) to this AD to include a statement that replacement of any skin panel with a skin panel manufactured on or after April 1, 1997, as specified in the Accomplishment Instructions of Boeing Alert Service Bulletin 737-53A1349, dated August 23, 2016, except as required by paragraph (h)(2) of this AD, terminates all of the requirements of AD 2003-14-06 for that skin panel only. Conclusion We reviewed the relevant data, considered the comments received, and determined that air safety and the public interest require adopting this final rule with the changes described previously and minor editorial changes. We have determined that these minor changes:Are consistent with the intent that was proposed in the NPRM for correcting the unsafe condition; and Do not add any additional burden upon the public than was already proposed in the NPRM. We also determined that these changes will not increase the economic burden on any operator or increase the scope of this final rule. Related Service Information Under 1 CFR Part 51 We reviewed Boeing Alert Service Bulletin 737-53A1349, dated August 23, 2016. The service information describes procedures for repetitive inspections of fuselage skin panels for cracking, corrosion, and existing disbond repairs; and applicable on-condition actions. This service information is reasonably available because the interested parties have access to it through their normal course of business or by the means identified in the ADDRESSES section. Costs of Compliance We estimate that this AD affects 169 airplanes of U.S. registry. We estimate the following costs to comply with this AD: Estimated Costs ---------------------------------------------------------------------------------------------------------------- Cost on U.S. Action Labor cost Parts cost Cost per product operators ---------------------------------------------------------------------------------------------------------------- External general visual and 180 work-hours x $0 $15,300 per $2,585,700 per detailed inspections. $85 per hour = inspection cycle. inspection cycle. $15,300 per inspection cycle. External high frequency bond test 450 work hours x 0 $38,250 inspection $6,464,250 per inspection. $85 per hour = cycle. inspection cycle. $38,250 per inspection cycle. Ultrasonic disbond inspection and 630 work-hours x 0 $53,550 per $9,049,950 per internal detailed skin $85 per hour = inspection cycle. inspection cycle. inspection. $53,550 per inspection cycle. ---------------------------------------------------------------------------------------------------------------- We estimate the following costs to do any necessary on-condition actions that will be required based on the results of the inspections. We have no way of determining the number of aircraft that might need these on-condition actions: On-Condition Costs per Skin Panel ---------------------------------------------------------------------------------------------------------------- Action Labor cost Parts cost Cost per product ---------------------------------------------------------------------------------------------------------------- On-condition inspections......... Up to 25 work-hours x $85 $0...................... Up to $2,125. per hour = $2,125. Repairs.......................... Up to 68 work-hours x $85 Up to $100.............. Up to $5,880. per hour = $5,780. Skin panel replacement........... 304 work-hours x $85 per $95,000................. $120,840. hour = $25,840. ---------------------------------------------------------------------------------------------------------------- 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 [[Page 49497]] products identified in this rulemaking action. This AD is issued in accordance with authority delegated by the Executive Director, Aircraft Certification Service, as authorized by FAA Order 8000.51C. In accordance with that order, issuance of ADs is normally a function of the Compliance and Airworthiness Division, but during this transition period, the Executive Director has delegated the authority to issue ADs applicable to transport category airplanes to the Director of the System Oversight Division. 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 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): 2017-22-04 The Boeing Company: Amendment 39-19084; Docket No. FAA- 2017-0332; Product Identifier 2016-NM-164-AD. (a) Effective Date This AD is effective November 30, 2017. (b) Affected ADs This AD affects AD 2003-14-06, Amendment 39-13225 (68 FR 40759, July 9, 2003; corrected July 21, 2003 (68 FR 42956)) (``AD 2003-14- 06''). (c) Applicability (1) This AD applies to The Boeing Company Model 737-200, -200C, -300, -400, and -500 series airplanes, certificated in any category, as identified in Boeing Alert Service Bulletin 737-53A1349, dated August 23, 2016. (2) Installation of Supplemental Type Certificate (STC) ST01219SE (http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgstc.nsf/0/EBD1CEC7B301293E86257CB30045557A?OpenDocument&Highlight=st01219se) does not affect the ability to accomplish the actions required by this AD. Therefore, for airplanes on which STC ST01219SE is installed, a ``change in product'' alternative method of compliance (AMOC) approval request is not necessary to comply with the requirements of 14 CFR 39.17. (d) Subject Air Transport Association (ATA) of America Code 53, Fuselage. (e) Unsafe Condition This AD was prompted by reports of skin doublers that disbonded from their skin panels. We are issuing this AD to detect and correct disbonded skin panels, which could result in fuselage skin cracking, rapid decompression, and loss of structural integrity of the airplane. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Actions Required for Compliance Except as required by paragraph (h) of this AD: Do all applicable actions identified as required for compliance (``RC'') in, and in accordance with, the Accomplishment Instructions of Boeing Alert Service Bulletin 737-53A1349, dated August 23, 2016. Do the actions at the applicable times specified in paragraph 1.E., ``Compliance,'' of Boeing Alert Service Bulletin 737-53A1349, dated August 23, 2016. (h) Exceptions to Service Information Specifications (1) Where Boeing Alert Service Bulletin 737-53A1349, dated August 23, 2016, uses the phrase ``after the original issue of this service bulletin,'' for purposes of determining compliance with the requirements of this AD, the phrase ``after the effective date of this AD'' must be used. (2) Where Boeing Alert Service Bulletin 737-53A1349, dated August 23, 2016, specifies contacting Boeing for instructions, and specifies that action as ``RC'' (Required for Compliance): This AD requires using a method approved in accordance with the procedures specified in paragraph (k) of this AD. (3) For replaced skin panels identified in table 9 of paragraph 1.E., ``Compliance,'' of Boeing Alert Service Bulletin 737-53A1349, dated August 23, 2016, on which the one-time internal inspection specified in Boeing Service Bulletin 737-53-1179, Revision 2, dated October 25, 2001, has not been done: The compliance time for accomplishment of the actions specified in Part 8 of the Accomplishment Instructions of Boeing Alert Service Bulletin 737- 53A1349, dated August 23, 2016, is at the latest of the times specified in paragraphs (h)(3)(i), (h)(3)(ii), and (h)(3)(iii) of this AD. (i) Within 50,000 flight cycles after the skin panel replacement. (ii) Within 20,000 flight cycles after July 14, 2003 (the effective date of AD 2003-14-16). (iii) Within 4,500 flight cycles after the effective date of this AD. (i) Terminating Action for Required Inspections (1) Accomplishment of any skin panel replacement using a skin panel manufactured on or after April 1, 1997, terminates the inspections required by paragraph (g) of this AD for that skin panel only, provided the replacement is done as specified in the Accomplishment Instructions of Boeing Alert Service Bulletin 737- 53A1349, dated August 23, 2016, except as required by paragraph (h)(2) of this AD. (2) Accomplishment of any skin panel replacement done before the effective date of this AD terminates the inspections required by paragraph (g) of this AD for that skin panel only, provided the conditions specified in paragraphs (i)(2)(i) and (i)(2)(ii) of this AD are met. (i) The replacement was done using a skin panel manufactured on or after April 1, 1997. (ii) The replacement was done using an FAA-approved method. (3) Installation of an FAA-approved reinforced repair doubler (except disbond repair) before the effective date of this AD terminates the inspections required by paragraph (g) of this AD at the repaired location only. (j) Terminating Action for AD 2003-14-06 (1) Accomplishment of the initial inspections required by paragraph (g) of this AD terminates all requirements of AD 2003-14- 06. (2) Accomplishment of any skin panel replacement with a skin panel manufactured on or after April 1, 1997, as specified in the Accomplishment Instructions of Boeing Alert Service Bulletin 737- 53A1349, dated August 23, 2016, except as required by paragraph (h)(2) of this AD, terminates all requirements of AD 2003-14-06 for that skin panel only. (k) Alternative Methods of Compliance (AMOCs) (1) The Manager, Los Angeles ACO Branch, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19, send your request to your principal inspector or local Flight Standards District Office, as appropriate. If sending information directly to the manager of the certification office, send it to the attention of the person identified in paragraph (l) of this AD. Information may be emailed to: 9-ANM-LAACO-AMOC-Requests@faa.gov. [[Page 49498]] (2) Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the local flight standards district office/certificate holding district office. (3) An AMOC that provides an acceptable level of safety may be used for any repair, modification, or alteration required by this AD if it is approved by the Boeing Commercial Airplanes Organization Designation Authorization (ODA) that has been authorized by the Manager, Los Angeles ACO Branch, to make those findings. To be approved, the repair method, modification deviation, or alteration deviation must meet the certification basis of the airplane, and the approval must specifically refer to this AD. (4) Except as required by paragraph (h)(2) of this AD: For service information that contains steps that are labeled as Required for Compliance (RC), the provisions of paragraphs (k)(4)(i) and (k)(4)(ii) of this AD apply. (i) The steps labeled as RC, including substeps under an RC step and any figures identified in an RC step, must be done to comply with the AD. If a step or substep is labeled ``RC Exempt,'' then the RC requirement is removed from that step or substep. An AMOC is required for any deviations to RC steps, including substeps and identified figures. (ii) Steps not labeled as RC may be deviated from using accepted methods in accordance with the operator's maintenance or inspection program without obtaining approval of an AMOC, provided the RC steps, including substeps and identified figures, can still be done as specified, and the airplane can be put back in an airworthy condition. (l) Related Information For more information about this AD, contact Jennifer Tsakoumakis, Airframe Section, FAA, Los Angeles ACO Branch, 3960 Paramount Boulevard, Lakewood, CA 90712-4137; phone: 562-627-5264; fax: 562-627-5210; email: jennifer.tsakoumakis@faa.gov. (m) Material Incorporated by Reference (1) The Director of the Federal Register approved the incorporation by reference (IBR) of the service information listed in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51. (2) You must use this service information as applicable to do the actions required by this AD, unless the AD specifies otherwise. (i) Boeing Alert Service Bulletin 737-53A1349, dated August 23, 2016. (ii) Reserved. (3) For service information identified in this AD, contact Boeing Commercial Airplanes, Attention: Contractual & Data Services (C&DS), 2600 Westminster Blvd., MC 110-SK57, Seal Beach, CA 90740- 5600; telephone 562-797-1717; Internet https://www.myboeingfleet.com. (4) You may view this service information at the FAA, Transport Standards Branch, 1601 Lind Avenue SW., Renton, WA. For information on the availability of this material at the FAA, call 425-227-1221. (5) You may view this service information that is incorporated by reference 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 October 11, 2017. Dionne Palermo, Acting Director, System Oversight Division, Aircraft Certification Service. [FR Doc. 2017-22950 Filed 10-25-17; 8:45 am] BILLING CODE 4910-13-P
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limited to stowage of emergency design criteria described in the table interior volume are not permitted by
equipment or airplane- supplied below. Enclosed stowage compartments these special conditions.
equipment (i.e., bedding) must meet the greater than 57 feet 3 inches cubic
DESIGN CRITERIA FOR ENCLOSED STOWAGE COMPARTMENTS NOT LIMITED TO STOWAGE OF EMERGENCY OR AIRPLANE-
SUPPLIED EQUIPMENT
Applicability of fire-protection requirements by interior volume
Fire protection features Less than 25 Cubic feet to 57 cubic feet
25 cubic feet less than 57 Cubic feet
Compliant Materials of Construction 1 ............................. Yes .................................... Yes .................................... Yes.
Smoke or Fire Detectors 2 ............................................... No ...................................... Yes .................................... Yes.
Liner 3 ............................................................................... No ...................................... Conditional ......................... Yes.
Fire Location Detector 4 ................................................... No ...................................... Yes .................................... Yes.
1 Compliant Materials of Construction: The material used in constructing each enclosed stowage compartment must at least be fire resistant
and must meet the flammability standards established for interior components (i.e., 14 CFR part 25 Appendix F, Parts I, IV, and V) per the re-
quirements of § 25.853. For compartments less than 25 ft.3 in interior volume, the design must ensure the ability to contain a fire likely to occur
within the compartment under normal use.
2 Smoke or Fire Detectors: Enclosed stowage compartments equal to or exceeding 25 ft.3 in interior volume must be provided with a smoke- or
fire-detection system to ensure that a fire can be detected within a one-minute detection time. Flight tests must be conducted to show compli-
ance with this requirement. Each system (or systems) must provide:
b A visual indication in the flight deck within one minute after the start of a fire.
b An aural warning in the suite compartment.
b A warning in the main passenger cabin. This warning must be readily detectable by a flight attendant, taking into consideration the locations
of flight attendants throughout the main passenger compartment during various phases of flight.
3 Liner: If material used in constructing the stowage compartment can be shown to meet the flammability requirements of a liner for a Class B
cargo compartment (i.e., § 25.855 at Amendment 25–116, and Appendix F, part I, paragraph (a)(2)(ii)), then no liner would be required for en-
closed stowage compartments equal to or greater than 25 ft.3 but less than 57 ft.3 in interior volume. For all enclosed stowage compartments
equal to 57 ft.3 in interior volume, a liner must be provided that meets the requirements of § 25.855 for a Class B cargo compartment.
4 Fire Location Detector: If a suite compartment has enclosed stowage compartments exceeding 25 ft.3 interior volume that are located sepa-
rately from the other stowage compartments (located, for example, away from one central location, such as the entry to the suite compartment or
a common area within the suite compartment, where the other stowage compartments are), that suite compartment would require additional fire-
protection features and/or devices to assist the firefighter in determining the location of a fire.
8. Where suites are installed, the DEPARTMENT OF TRANSPORTATION ADDRESSES: For service information
design of each suite must: identified in this final rule, contact
Federal Aviation Administration Boeing Commercial Airplanes,
a. Maintain minimum main aisle(s),
cross aisle(s), and passageway(s) Attention: Contractual & Data Services
14 CFR Part 39 (C&DS), 2600 Westminster Blvd., MC
requirements of § 25.815 when
110 SK57, Seal Beach, CA 90740 5600;
subjected to the ultimate inertia forces [Docket No. FAA–2017–0332; Product telephone 562–797–1717; Internet
listed in § 25.561(d). Identifier 2016–NM–164–AD; Amendment
https://www.myboeingfleet.com. You
b. Prevent structural failure or 39–19084; AD 2017–22–04]
may view this referenced service
deformation of components that could RIN 2120–AA64 information at the FAA, Transport
block access to the available evacuation Standards Branch, 1601 Lind Avenue
routes (e.g., seats, doors, contents of Airworthiness Directives; The Boeing SW., Renton, WA. For information on
stowage compartments, etc.). Company Airplanes the availability of this material at the
9. In addition to the requirements of FAA, call 425–227–1221. It is also
AGENCY: Federal Aviation available on the Internet at http://
§ 25.562 for seat systems, which are Administration (FAA), DOT.
occupiable during taxi, takeoff, and www.regulations.gov by searching for
ACTION: Final rule. and locating Docket No. FAA–2017–
landing, the suite structure must be
0332.
designed for the additional loads SUMMARY: We are adopting a new
imposed by the seats as a result of the airworthiness directive (AD) for certain Examining the AD Docket
conditions specified in § 25.562(b). The Boeing Company Model 737–200, You may examine the AD docket on
Issued in Renton, Washington, on October –200C, –300, –400, and –500 series the Internet at http://
19, 2017. airplanes. This AD was prompted by www.regulations.gov by searching for
reports of skin doublers that disbonded and locating Docket No. FAA–2017–
Suzanne Masterson,
from their skin panels. This AD requires 0332; or in person at the Docket
Acting Manager, Transport Standards repetitive inspections of fuselage skin
Branch, Policy and Innovation Division, Management Facility between 9 a.m.
panels, and applicable on-condition and 5 p.m., Monday through Friday,
Aircraft Certification Service. actions. We are issuing this AD to
[FR Doc. 2017–23256 Filed 10–25–17; 8:45 am] except Federal holidays. The AD docket
address the unsafe condition on these contains this final rule, the regulatory
BILLING CODE 4910–13–P products. evaluation, any comments received, and
ethrower on DSK3G9T082PROD with RULES
DATES: This AD is effective November other information. The address for the
30, 2017. Docket Office (phone: 800–647–5527) is
The Director of the Federal Register Docket Management Facility, U.S.
approved the incorporation by reference Department of Transportation, Docket
of a certain publication listed in this AD Operations, M–30, West Building
as of November 30, 2017. Ground Floor, Room W12–140, 1200
VerDate Sep<11>2014 18:08 Oct 25, 2017 Jkt 244001 PO 00000 Frm 00010 Fmt 4700 Sfmt 4700 E:\FR\FM\26OCR1.SGM 26OCR1](https://thefederalregister.org/doc/82_FR_49700/page/1.svg)
![Federal Register / Vol. 82, No. 206 / Thursday, October 26, 2017 / Rules and Regulations 49495
New Jersey Avenue SE., Washington, is disbonded, it is considered a suspect Instruction and in note (a) to tables 1
DC 20590. panel that went through improper through 8 in paragraph 1.E.,
FOR FURTHER INFORMATION CONTACT: processing during the phosphoric acid ‘‘Compliance,’’ of Boeing Alert Service
Jennifer Tsakoumakis, Aerospace anodization phase of manufacturing. Bulletin 737–53A1349, dated August 23,
Engineer, Airframe Section, FAA, Los Boeing stated that the suspect panel 2016. Note (a) states, ‘‘If any Boeing
Angeles ACO Branch, 3960 Paramount could develop an additional disbond, ODA approved preventative
Boulevard, Lakewood, CA 90712–4137; which could lead to further damage, and modification or repair was previously
phone: 562–627–5264; fax: 562–627– then the inspections described in the installed via FAA Form 8100–9 or
5210; email: jennifer.tsakoumakis@ service information might not be [structural repair manual] SRM repair
faa.gov. adequate. doubler (except disbond repair), initial
We acknowledge the commenter’s and repeat inspections are not required
SUPPLEMENTARY INFORMATION: request to clarify that only disbonded at the repaired location only.’’
Discussion skin panels need to be replaced, for the However, repairs that were not
reasons provided by the commenter. We approved by the Boeing ODA and
We issued a notice of proposed agree with the rationale for the request. replacements not done using Boeing
rulemaking (NPRM) to amend 14 CFR However, the ‘‘Explanation of Certain Alert Service Bulletin 737–53A1349,
part 39 by adding an AD that would Compliance Times’’ section only dated August 23, 2016, were not
apply to certain The Boeing Company appears in the preamble of the NPRM addressed in the proposed AD.
Model 737–200, –200C, –300, –400, and and is not carried over into this final Therefore, we have redesignated
–500 series airplanes. The NPRM rule; therefore, no change to this final paragraph (i) (in the proposed AD) as
published in the Federal Register on rule is necessary regarding this issue. paragraph (i)(1) and added paragraph
May 2, 2017 (82 FR 20450). The NPRM (i)(2) to this AD to state that any skin
was prompted by reports of skin Request To Include Previously
panel replacement done before the
doublers that disbonded from their skin Accomplished Actions as Terminating
effective date of this AD terminates the
panels. The NPRM proposed to require Actions
inspections required by paragraph (g) of
repetitive inspections of fuselage skin Qantas requested that we include this AD for that skin panel only,
panels, and applicable on-condition previously accomplished repairs as provided the replacement was done
actions. We are issuing this AD to detect terminating actions in paragraph (i) of using a skin panel manufactured on or
and correct disbonded skin panels, the proposed AD. Qantas requested that after April 1, 1997, and the replacement
which could result in fuselage skin paragraph (i) of the proposed AD be was done using an FAA-approved
cracking, rapid decompression, and loss revised to include a provision for method. A replacement accomplished
of structural integrity of the airplane. previously installed repairs (solid skin using an FAA-approved method would
panel replacements) that were approved still address the unsafe condition and
Comments by an authorized representative of the the need for the inspections required by
We gave the public the opportunity to Boeing Commercial Airplanes paragraph (g) of this AD would be
participate in developing this final rule. Organization Designation Authorization terminated.
The following presents the comments (ODA) via FAA Form 8110–3, We have also added paragraph (i)(3)
received on the NPRM and the FAA’s ‘‘Statement of Compliance with the to this AD to state that any FAA-
response to each comment. Federal Aviation Regulations.’’ Qantas approved reinforced repair doubler
stated that Boeing ODA-approved (except disbond repair) installed before
Effect of Winglets on Accomplishment
repairs completed prior to issuance of the effective date of this AD terminates
of the Proposed Actions Boeing Alert Service Bulletin 737– the inspections required by paragraph
Aviation Partners Boeing stated that 53A1349, dated August 23, 2016, were (g) of this AD at the repaired location
accomplishing Supplemental Type not addressed in the NPRM. Qantas also only.
Certificate (STC) ST01219SE does not suggested that solid skin panel
affect the ability to accomplish the replacements approved via FAA Form Request To Allow Termination of All
actions specified in the NPRM. 8100–9, ‘‘Statement of Compliance with Inspections
We concur with the commenter. We Airworthiness Standards,’’ be included Southwest Airlines (SWA) requested
have redesignated paragraph (c) of the as terminating action. Qantas stated that that we allow the terminating action
proposed AD as paragraph (c)(1) and including skin panel replacements specified in paragraph (i) of the
added paragraph (c)(2) to this AD to approved via FAA Form 8100–9 as proposed AD to terminate the initial
state that installation of STC ST01219SE terminating action could help avoid inspections in paragraph (g) of the
does not affect the ability to accomplish operators’ requests for AMOCs. In proposed AD and not only the repetitive
the actions required by this AD. addition, Qantas recommended that the inspections in paragraph (g) of the
Therefore, for airplanes on which STC language used for approved repairs by proposed AD. Specifically, SWA
ST01219SE is installed, a ‘‘change in an authorized representative of the requested that paragraph (i) of the
product’’ alternative methods of Boeing ODA be revised, as it is not proposed AD be revised to include the
compliance (AMOC) approval request is specific to FAA Form 8110–3 or FAA provision that replacement of any skin
not necessary to comply with the Form 8100–9. panel in accordance with the
requirements of 14 CFR 39.17. We agree with the commenter’s Accomplishment Instructions of Boeing
request. Paragraph (i)(1) of this AD Alert Service Bulletin 737–53A1349,
Request To Revise ‘‘Explanation of (paragraph (i) of the proposed AD) dated August 23, 2016, except as
Certain Compliance Times’’ Section addresses previously installed repairs specified in paragraph (h)(2) of the
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Boeing requested that the approved by an authorized proposed AD, terminates the
‘‘Explanation of Certain Compliance representative of the Boeing ODA. requirement for the initial inspection
Times’’ section in the preamble of the Existing Boeing ODA-approved repairs specified in paragraph (g) of the
NPRM be revised to clarify that only or preventative modifications are proposed AD, for the replaced skin
disbonded skin panels need to be included in notes in Part 1, Part 2, and panel only. SWA noted that an operator
replaced. Boeing noted that, if a panel Part 8 of the Accomplishment could replace a skin panel prior to doing
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![Federal Register / Vol. 82, No. 206 / Thursday, October 26, 2017 / Rules and Regulations 49497
products identified in this rulemaking (b) Affected ADs dated August 23, 2016, on which the one-
action. This AD affects AD 2003–14–06, time internal inspection specified in Boeing
This AD is issued in accordance with Amendment 39–13225 (68 FR 40759, July 9, Service Bulletin 737–53–1179, Revision 2,
2003; corrected July 21, 2003 (68 FR 42956)) dated October 25, 2001, has not been done:
authority delegated by the Executive
(‘‘AD 2003–14–06’’). The compliance time for accomplishment of
Director, Aircraft Certification Service, the actions specified in Part 8 of the
as authorized by FAA Order 8000.51C. (c) Applicability Accomplishment Instructions of Boeing Alert
In accordance with that order, issuance (1) This AD applies to The Boeing Service Bulletin 737–53A1349, dated August
of ADs is normally a function of the Company Model 737–200, –200C, –300, 23, 2016, is at the latest of the times specified
Compliance and Airworthiness –400, and –500 series airplanes, certificated in paragraphs (h)(3)(i), (h)(3)(ii), and
Division, but during this transition in any category, as identified in Boeing Alert (h)(3)(iii) of this AD.
period, the Executive Director has Service Bulletin 737–53A1349, dated August (i) Within 50,000 flight cycles after the skin
23, 2016. panel replacement.
delegated the authority to issue ADs (ii) Within 20,000 flight cycles after July
applicable to transport category (2) Installation of Supplemental Type
Certificate (STC) ST01219SE (http:// 14, 2003 (the effective date of AD 2003–14–
airplanes to the Director of the System rgl.faa.gov/Regulatory_and_Guidance_ 16).
Oversight Division. Library/rgstc.nsf/0/EBD1CEC7B301293 (iii) Within 4,500 flight cycles after the
E86257CB30045557A?OpenDocument& effective date of this AD.
Regulatory Findings
Highlight=st01219se) does not affect the (i) Terminating Action for Required
This AD will not have federalism ability to accomplish the actions required by Inspections
implications under Executive Order this AD. Therefore, for airplanes on which
13132. This AD will not have a STC ST01219SE is installed, a ‘‘change in (1) Accomplishment of any skin panel
product’’ alternative method of compliance replacement using a skin panel manufactured
substantial direct effect on the States, on on or after April 1, 1997, terminates the
the relationship between the national (AMOC) approval request is not necessary to
comply with the requirements of 14 CFR inspections required by paragraph (g) of this
government and the States, or on the AD for that skin panel only, provided the
39.17.
distribution of power and replacement is done as specified in the
responsibilities among the various (d) Subject Accomplishment Instructions of Boeing Alert
levels of government. Air Transport Association (ATA) of Service Bulletin 737–53A1349, dated August
For the reasons discussed above, I America Code 53, Fuselage. 23, 2016, except as required by paragraph
certify that this AD: (h)(2) of this AD.
(e) Unsafe Condition (2) Accomplishment of any skin panel
(1) Is not a ‘‘significant regulatory
This AD was prompted by reports of skin replacement done before the effective date of
action’’ under Executive Order 12866,
doublers that disbonded from their skin this AD terminates the inspections required
(2) Is not a ‘‘significant rule’’ under by paragraph (g) of this AD for that skin
panels. We are issuing this AD to detect and
DOT Regulatory Policies and Procedures correct disbonded skin panels, which could panel only, provided the conditions specified
(44 FR 11034, February 26, 1979), result in fuselage skin cracking, rapid in paragraphs (i)(2)(i) and (i)(2)(ii) of this AD
(3) Will not affect intrastate aviation decompression, and loss of structural are met.
in Alaska, and integrity of the airplane. (i) The replacement was done using a skin
(4) Will not have a significant panel manufactured on or after April 1, 1997.
economic impact, positive or negative, (f) Compliance (ii) The replacement was done using an
on a substantial number of small entities Comply with this AD within the FAA-approved method.
under the criteria of the Regulatory compliance times specified, unless already (3) Installation of an FAA-approved
done. reinforced repair doubler (except disbond
Flexibility Act.
repair) before the effective date of this AD
(g) Actions Required for Compliance terminates the inspections required by
List of Subjects in 14 CFR Part 39
Except as required by paragraph (h) of this paragraph (g) of this AD at the repaired
Air transportation, Aircraft, Aviation AD: Do all applicable actions identified as location only.
safety, Incorporation by reference, required for compliance (‘‘RC’’) in, and in
Safety. accordance with, the Accomplishment (j) Terminating Action for AD 2003–14–06
Instructions of Boeing Alert Service Bulletin (1) Accomplishment of the initial
Adoption of the Amendment 737–53A1349, dated August 23, 2016. Do the inspections required by paragraph (g) of this
Accordingly, under the authority actions at the applicable times specified in AD terminates all requirements of AD 2003–
delegated to me by the Administrator, paragraph 1.E., ‘‘Compliance,’’ of Boeing 14–06.
the FAA amends 14 CFR part 39 as Alert Service Bulletin 737–53A1349, dated (2) Accomplishment of any skin panel
August 23, 2016. replacement with a skin panel manufactured
follows: on or after April 1, 1997, as specified in the
(h) Exceptions to Service Information Accomplishment Instructions of Boeing Alert
PART 39—AIRWORTHINESS Specifications Service Bulletin 737–53A1349, dated August
DIRECTIVES (1) Where Boeing Alert Service Bulletin 23, 2016, except as required by paragraph
737–53A1349, dated August 23, 2016, uses (h)(2) of this AD, terminates all requirements
■ 1. The authority citation for part 39 the phrase ‘‘after the original issue of this of AD 2003–14–06 for that skin panel only.
continues to read as follows: service bulletin,’’ for purposes of determining
compliance with the requirements of this AD, (k) Alternative Methods of Compliance
Authority: 49 U.S.C. 106(g), 40113, 44701. (AMOCs)
the phrase ‘‘after the effective date of this
§ 39.13 [Amended] AD’’ must be used. (1) The Manager, Los Angeles ACO Branch,
■ 2. The FAA amends § 39.13 by adding (2) Where Boeing Alert Service Bulletin FAA, has the authority to approve AMOCs
737–53A1349, dated August 23, 2016, for this AD, if requested using the procedures
the following new airworthiness found in 14 CFR 39.19. In accordance with
specifies contacting Boeing for instructions,
directive (AD): and specifies that action as ‘‘RC’’ (Required 14 CFR 39.19, send your request to your
ethrower on DSK3G9T082PROD with RULES
2017–22–04 The Boeing Company: for Compliance): This AD requires using a principal inspector or local Flight Standards
Amendment 39–19084; Docket No. method approved in accordance with the District Office, as appropriate. If sending
FAA–2017–0332; Product Identifier procedures specified in paragraph (k) of this information directly to the manager of the
2016–NM–164–AD. AD. certification office, send it to the attention of
(3) For replaced skin panels identified in the person identified in paragraph (l) of this
(a) Effective Date table 9 of paragraph 1.E., ‘‘Compliance,’’ of AD. Information may be emailed to: 9–ANM–
This AD is effective November 30, 2017. Boeing Alert Service Bulletin 737–53A1349, LAACO–AMOC–Requests@faa.gov.
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![49498 Federal Register / Vol. 82, No. 206 / Thursday, October 26, 2017 / Rules and Regulations
(2) Before using any approved AMOC, National Archives and Records SW., Renton, WA. For information on
notify your appropriate principal inspector, Administration (NARA). For information on the availability of this material at the
or lacking a principal inspector, the manager the availability of this material at NARA, call FAA, call 425–227–1221. It is also
of the local flight standards district office/ 202–741–6030, or go to: http:// available on the Internet at http://
certificate holding district office. www.archives.gov/federal-register/cfr/ibr-
(3) An AMOC that provides an acceptable locations.html.
www.regulations.gov by searching for
level of safety may be used for any repair, and locating Docket No. FAA–2017–
Issued in Renton, Washington, on October 0521.
modification, or alteration required by this
11, 2017.
AD if it is approved by the Boeing Examining the AD Docket
Commercial Airplanes Organization Dionne Palermo,
Designation Authorization (ODA) that has Acting Director, System Oversight Division, You may examine the AD docket on
been authorized by the Manager, Los Angeles Aircraft Certification Service. the Internet at http://
ACO Branch, to make those findings. To be [FR Doc. 2017–22950 Filed 10–25–17; 8:45 am] www.regulations.gov by searching for
approved, the repair method, modification BILLING CODE 4910–13–P and locating Docket No. FAA–2017–
deviation, or alteration deviation must meet 0521; or in person at the Docket
the certification basis of the airplane, and the Management Facility between 9 a.m.
approval must specifically refer to this AD. and 5 p.m., Monday through Friday,
DEPARTMENT OF TRANSPORTATION
(4) Except as required by paragraph (h)(2)
of this AD: For service information that
except Federal holidays. The AD docket
Federal Aviation Administration contains this AD, the regulatory
contains steps that are labeled as Required
for Compliance (RC), the provisions of evaluation, any comments received, and
paragraphs (k)(4)(i) and (k)(4)(ii) of this AD 14 CFR Part 39 other information. The street address for
apply. the Docket Office (telephone 800–647–
[Docket No. FAA–2017–0521; Product
(i) The steps labeled as RC, including Identifier 2016–NM–189–AD; Amendment 5527) is Docket Management Facility,
substeps under an RC step and any figures 39–19086; AD 2017–22–06] U.S. Department of Transportation,
identified in an RC step, must be done to Docket Operations, M–30, West
comply with the AD. If a step or substep is RIN 2120–AA64 Building Ground Floor, Room W12–140,
labeled ‘‘RC Exempt,’’ then the RC 1200 New Jersey Avenue SE.,
requirement is removed from that step or Airworthiness Directives; Bombardier,
substep. An AMOC is required for any
Washington, DC 20590.
Inc., Airplanes FOR FURTHER INFORMATION CONTACT:
deviations to RC steps, including substeps
and identified figures. AGENCY: Federal Aviation Steven Dzierzynski, Aerospace
(ii) Steps not labeled as RC may be Administration (FAA), Department of Engineer, Avionics and Administrative
deviated from using accepted methods in Transportation (DOT). Services Section, FAA, New York ACO
accordance with the operator’s maintenance Branch, 1600 Stewart Avenue, Suite
or inspection program without obtaining ACTION: Final rule.
410, Westbury, NY 11590; telephone
approval of an AMOC, provided the RC steps, 516–228–7367; fax 516–794–5531.
including substeps and identified figures, can
SUMMARY: We are adopting a new
still be done as specified, and the airplane airworthiness directive (AD) for certain SUPPLEMENTARY INFORMATION:
can be put back in an airworthy condition. Bombardier, Inc., Model CL–600–2B16 Discussion
(CL–601–3A, CL–601–3R, and CL–604
(l) Related Information Variants) airplanes. This AD was We issued a notice of proposed
For more information about this AD, prompted by reports of fuel leaks in the rulemaking (NPRM) to amend 14 CFR
contact Jennifer Tsakoumakis, Airframe engine and auxiliary power unit (APU) part 39 by adding an AD that would
Section, FAA, Los Angeles ACO Branch, electrical fuel pump (EFP) cartridge/ apply to certain Bombardier, Inc., Model
3960 Paramount Boulevard, Lakewood, CA CL–600–2B16 (CL–601–3A, CL–601–3R,
90712–4137; phone: 562–627–5264; fax: 562–
canister electrical connectors and
conduits. This AD requires repetitive and CL–604 Variants) airplanes. The
627–5210; email: jennifer.tsakoumakis@ NPRM published in the Federal
faa.gov. inspections for fuel leakage at the
engine and APU fuel pumps, and Register on June 2, 2017 (82 FR 25556)
(m) Material Incorporated by Reference related investigative and corrective (‘‘the NPRM’’). The NPRM was
(1) The Director of the Federal Register actions if necessary. We are issuing this prompted by reports of fuel leaks in the
approved the incorporation by reference AD to address the unsafe condition on engine and APU EFP cartridge/canister
(IBR) of the service information listed in this these products. electrical connectors and conduits. The
paragraph under 5 U.S.C. 552(a) and 1 CFR NPRM proposed to require repetitive
part 51. DATES: This AD is effective November
inspections for fuel leakage at the
(2) You must use this service information 30, 2017. engine and APU fuel pumps, and
as applicable to do the actions required by The Director of the Federal Register related investigative and corrective
this AD, unless the AD specifies otherwise. approved the incorporation by reference
(i) Boeing Alert Service Bulletin 737–
actions if necessary. We are issuing this
of certain publications listed in this AD AD to detect and correct fuel leaks in
53A1349, dated August 23, 2016. as of November 30, 2017.
(ii) Reserved. certain fuel pumps to remove a potential
(3) For service information identified in ADDRESSES: For service information fuel ignition hazard.
this AD, contact Boeing Commercial identified in this final rule, contact Transport Canada Civil Aviation
Airplanes, Attention: Contractual & Data Bombardier, Inc., 400 Côte-Vertu Road (TCCA), which is the aviation authority
Services (C&DS), 2600 Westminster Blvd., West, Dorval, Québec H4S 1Y9, Canada; for Canada, has issued Canadian
MC 110–SK57, Seal Beach, CA 90740–5600; Widebody Customer Response Center Airworthiness Directive CF–2016–32R1,
telephone 562–797–1717; Internet https:// North America toll-free telephone 1– dated October 12, 2016 (referred to after
www.myboeingfleet.com. 866–538–1247 or direct-dial telephone
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this as the Mandatory Continuing
(4) You may view this service information 1–514–855–2999; fax 514–855–7401; Airworthiness Information, or ‘‘the
at the FAA, Transport Standards Branch,
1601 Lind Avenue SW., Renton, WA. For
email ac.yul@aero.bombardier.com; MCAI’’), to correct an unsafe condition
information on the availability of this Internet http://www.bombardier.com. for certain Bombardier, Inc., Model CL–
material at the FAA, call 425–227–1221. You may view this referenced service 600–2B16 (CL–601–3A, CL–601–3R, and
(5) You may view this service information information at the FAA, Transport CL–604 Variants) airplanes. The MCAI
that is incorporated by reference at the Standards Branch, 1601 Lind Avenue states:
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Document Created: 2018-10-25 10:12:26
Document Modified: 2018-10-25 10:12:26
| Category | Regulatory Information | |
| Collection | Federal Register | |
| sudoc Class | AE 2.7: GS 4.107: AE 2.106: | |
| Publisher | Office of the Federal Register, National Archives and Records Administration | |
| Section | Rules and Regulations | |
| Action | Final rule. | |
| Dates | This AD is effective November 30, 2017. | |
| Contact | Jennifer Tsakoumakis, Aerospace Engineer, Airframe Section, FAA, Los Angeles ACO Branch, 3960 Paramount Boulevard, Lakewood, CA 90712-4137; phone: 562-627-5264; fax: 562-627- 5210; email: [email protected] | |
| FR Citation | 82 FR 49494 | |
| RIN Number | 2120-AA64 | |
| CFR Associated | Air Transportation; Aircraft; Aviation Safety; Incorporation by Reference and Safety |
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