82 FR 55037 - Airworthiness Directives; The Boeing Company Airplanes
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration Federal Register Volume 82, Issue 222 (November 20, 2017)
Federal Aviation Administration
Federal Register Volume 82, Issue 222 (November 20, 2017)
| Page Range | 55037-55039 | |
| FR Document | 2017-24732 |
[Federal Register Volume 82, Number 222 (Monday, November 20, 2017)] [Rules and Regulations] [Pages 55037-55039] From the Federal Register Online [www.thefederalregister.org] [FR Doc No: 2017-24732] ----------------------------------------------------------------------- DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA-2017-0773; Product Identifier 2017-NM-067-AD; Amendment 39-19101; AD 2017-23-07] 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 all The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This AD was prompted by reports of cracks found in the lower chord of the left wing rear spar. This AD requires repetitive inspections for cracking of the lower chord of the rear spar and lower aft skin and applicable on-condition actions. We are issuing this AD to address the unsafe condition on these products. DATES: This AD is effective December 26, 2017. The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD as of December 26, 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 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- 0773. 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- 0773; 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. [[Page 55038]] 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: Payman Soltani, Aerospace Engineer, Airframe Section, FAA, Los Angeles ACO Branch, 3960 Paramount Boulevard, Lakewood, CA 90712-4137; phone: 562-627-5313; fax: 562-627- 5210; email: [email protected]. 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 all The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. The NPRM published in the Federal Register on August 15, 2017 (82 FR 38641). The NPRM was prompted by reports of cracks found in the lower chord of the left wing rear spar. The NPRM proposed to require repetitive low frequency eddy current (LFEC) inspections for cracking of the lower chord of the rear spar and detailed inspections for cracking of the lower aft skin at wing buttock line (WBL) 157 and applicable on-condition actions. We are issuing this AD to detect and correct cracking of the lower chord of the rear spar and the lower aft skin at WBL 157. Comments We gave the public the opportunity to participate in developing this final rule. We have considered the comments received. Support for the NPRM The Boeing Company supported the NPRM. Effect of Winglets on Accomplishment of the Proposed Actions Aviation Partners Boeing stated that accomplishing the Supplemental Type Certificate (STC) ST01219SE does not affect the actions specified in the NPRM. We concur with the commenter. We have redesignated paragraph (c) of the proposed AD as paragraph (c)(1) of this AD 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 method of compliance (AMOC) approval request is not necessary to comply with the requirements of 14 CFR 39.17. 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 change 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 737-57A1333, dated May 12, 2017. This service information describes procedures for repetitive LFEC inspections for cracking of the lower chord of the rear spar and detailed inspections for cracking of the lower aft skin at WBL 157, applicable on-condition actions (e.g., repair), and instructions for airplanes that have an existing repair in the inspection area. 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 190 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 ---------------------------------------------------------------------------------------------------------------- LFEC and detailed inspections.. 10 work-hours x $85 per $0 $850 per Up to $161,500 per hour = $850 per inspection cycle. inspection cycle. inspection cycle. ---------------------------------------------------------------------------------------------------------------- We have received no definitive data that would enable us to provide cost estimates for the on-condition actions specified in this AD. We have received no definitive data that would enable us to provide cost estimates for the instructions for airplanes that have an existing repair in the inspection area specified in this AD. 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. 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), [[Page 55039]] (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): 2017-23-07 The Boeing Company: Amendment 39-19101; Docket No. FAA- 2017-0773; Product Identifier 2017-NM-067-AD. (a) Effective Date This AD is effective December 26, 2017. (b) Affected ADs None. (c) Applicability (1) This AD applies to all The Boeing Company Model 737-100, - 200, -200C, -300, -400, and -500 series airplanes, certificated in any category. (2) Installation of Supplemental Type Certificate (STC) ST01219SE (http://rgl.faa.gov/Regulatory_and_Guidance_Library/ rgstc.nsf/0/ebd1cec7b301293e86257cb30045557a/$FILE/ST01219SE.pdf) 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 57, Wings. (e) Unsafe Condition This AD was prompted by the report of a crack indication in the horizontal flange of the lower chord of the left wing rear spar at wing buttock line (WBL) 157 and multiple reports of similar crack findings on other airplanes. We are issuing this AD to detect and correct cracking of the lower chord of the rear spar and the lower aft skin at WBL 157. Undetected cracks could lead to the inability of the lower chord of the rear spar, a principal structural element, to sustain limit load, which could adversely affect the structural integrity of the airplane. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Required Actions (1) For Group 2 airplanes identified in Boeing Alert Service Bulletin 737-57A1333, dated May 12, 2017: Except as required by paragraph (h) of this AD, at the applicable times specified in paragraph 1.E., ``Compliance,'' of Boeing Alert Service Bulletin 737-57A1333, dated May 12, 2017, do all applicable actions identified as ``RC'' (required for compliance) in, and in accordance with, the Accomplishment Instructions of Boeing Alert Service Bulletin 737-57A1333, dated May 12, 2017. (2) For Group 1 airplanes identified in Boeing Alert Service Bulletin 737-57A1333, dated May 12, 2017: Within 120 days after the effective date of this AD, inspect the airplane and do all applicable corrective actions using a method approved in accordance with the procedures specified in paragraph (i) of this AD. (h) Exceptions to Service Information Specifications (1) Where Boeing Alert Service Bulletin 737-57A1333, dated May 12, 2017, uses the phrase ``after the original issue date 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 737-57A1333, dated May 12, 2017, specifies contacting Boeing, and specifies that action as RC: This AD requires using a method approved in accordance with the procedures specified in paragraph (i) of this AD. (i) 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 (j) of this AD. Information may be emailed to: [email protected]. (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 RC, the provisions of paragraphs (i)(4)(i) and (i)(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. (j) Related Information For more information about this AD, contact Payman Soltani, Aerospace Engineer, Airframe Section, FAA, Los Angeles ACO Branch, 3960 Paramount Boulevard, Lakewood, CA 90712-4137; phone: 562-627- 5313; fax: 562-627-5210; email: [email protected]. (k) 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 737-57A1333, dated May 12, 2017. (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 November 6, 2017. Dionne Palermo, Acting Director, System Oversight Division, Aircraft Certification Service. [FR Doc. 2017-24732 Filed 11-17-17; 8:45 am] BILLING CODE 4910-13-P
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all applicable actions specified in paragraph Transport Standards Branch, FAA; or the DEPARTMENT OF TRANSPORTATION
(h)(1) or (h)(2) of this AD, in accordance with European Aviation Safety Agency (EASA); or
the Accomplishment Instructions of Dassault Dassault Aviation’s EASA Design Federal Aviation Administration
Service Bulletin F900EX–464, dated June 20, Organization Approval (DOA). If approved by
2016. After the applicable actions specified the DOA, the approval must include the 14 CFR Part 39
in paragraph (h)(1) or (h)(2) of this AD have
DOA-authorized signature.
been completed, the AFM revision required [Docket No. FAA–2017–0773; Product
by paragraph (g) of this AD may be removed (k) Related Information Identifier 2017–NM–067–AD; Amendment
from the AFM for that airplane. 39–19101; AD 2017–23–07]
(1) Refer to Mandatory Continuing
(1) If during the inspection required by the
introductory text to paragraph (h) of this AD Airworthiness Information (MCAI) EASA RIN 2120–AA64
it is determined that a diaphragm is present: Emergency AD 2016–0130–E, dated July 5,
Before further flight, replace the wing anti-ice 2016, for related information. This MCAI Airworthiness Directives; The Boeing
system ducting. may be found in the AD docket on the Company Airplanes
(2) If during the inspection required by the Internet at http://www.regulations.gov by
introductory text to paragraph (h) of this AD
AGENCY: Federal Aviation
searching for and locating Docket No. FAA–
it is determined that a diaphragm is not Administration (FAA), DOT.
2017–1023.
present: Before further flight, do a check of (2) For more information about this AD, ACTION: Final rule.
the anti-ice pipe part number and re-identify contact Tom Rodriguez, Aerospace Engineer,
the wing anti-ice system ducting. SUMMARY: We are adopting a new
International Section, Transport Standards
Branch, FAA, 1601 Lind Avenue SW.,
airworthiness directive (AD) for all The
(i) New Actions: Inspection, Part
Replacement, Part Re-identification Renton, WA 98057–3356; telephone 425–
Boeing Company Model 737–100, –200,
227–1137; fax 425–227–1149.
–200C, –300, –400, and –500 series
For Model FALCON 2000EX airplanes: airplanes. This AD was prompted by
Within 9 months after the effective date of (l) Material Incorporated by Reference
this AD, do a detailed inspection of the wing
reports of cracks found in the lower
anti-ice system ducting (anti-ice pipe) for the (1) The Director of the Federal Register chord of the left wing rear spar. This AD
presence of a diaphragm, and do all approved the incorporation by reference requires repetitive inspections for
applicable actions specified in paragraph (IBR) of the service information listed in this cracking of the lower chord of the rear
(i)(1) or (i)(2) of this AD, in accordance with paragraph under 5 U.S.C. 552(a) and 1 CFR spar and lower aft skin and applicable
the Accomplishment Instructions of Dassault part 51. on-condition actions. We are issuing
Service Bulletin F2000EX–393, dated June (2) You must use this service information this AD to address the unsafe condition
20, 2016. After the applicable actions as applicable to do the actions required by on these products.
specified in paragraph (i)(1) or (i)(2) of this
this AD, unless this AD specifies otherwise. DATES: This AD is effective December
AD have been completed, the AFM revision
required by paragraph (g) of this AD may be (3) The following service information was 26, 2017.
removed from the AFM for that airplane. approved for IBR on October 27, 2017 (82 FR The Director of the Federal Register
(1) If during the inspection required by the 44305, September 22, 2017). approved the incorporation by reference
introductory text to paragraph (i) of this AD (i) Dassault Aviation Service Bulletin of a certain publication listed in this AD
it is determined that a diaphragm is not F900EX–464, dated June 20, 2016. as of December 26, 2017.
present: Before further flight, replace the (ii) Dassault Aviation Service Bulletin
ADDRESSES: For service information
wing anti-ice system ducting. F2000EX–393, dated June 20, 2016.
(2) If during the inspection required by the identified in this final rule, contact
(4) For service information identified in
introductory text to paragraph (i) of this AD this AD, contact Dassault Falcon Jet
Boeing Commercial Airplanes,
it is determined that a diaphragm is present: Corporation, Teterboro Airport, P.O. Box
Attention: Contractual & Data Services
Before further flight, do a check of the anti-
2000, South Hackensack, NJ 07606;
(C&DS), 2600 Westminster Blvd., MC
ice pipe part number and re-identify the wing 110–SK57, Seal Beach, CA 90740–5600;
telephone 201–440–6700; Internet http://
anti-ice system ducting. telephone 562–797–1717; Internet
www.dassaultfalcon.com.
(j) Other FAA AD Provisions (5) You may view this service information https://www.myboeingfleet.com. You
The following provisions also apply to this at the FAA, Transport Standards Branch, may view this service information at the
AD: 1601 Lind Avenue SW., Renton, WA. For FAA, Transport Standards Branch, 1601
(1) Alternative Methods of Compliance information on the availability of this Lind Avenue SW., Renton, WA. For
(AMOCs): The Manager, International material at the FAA, call 425–227–1221. information on the availability of this
Section, Transport Standards Branch, FAA, (6) You may view this service information material at the FAA, call 425–227–1221.
has the authority to approve AMOCs for this that is incorporated by reference at the It is also available on the Internet at
AD, if requested using the procedures found http://www.regulations.gov by searching
National Archives and Records
in 14 CFR 39.19. In accordance with 14 CFR for and locating Docket No. FAA–2017–
Administration (NARA). For information on
39.19, send your request to your principal 0773.
inspector or local Flight Standards District the availability of this material at NARA, call
Office, as appropriate. If sending information 202–741–6030, or go to: http:// Examining the AD Docket
directly to the International Section, send it www.archives.gov/federal-register/cfr/ibr-
to the attention of the person identified in locations.html. You may examine the AD docket on
paragraph (k)(2) of this AD. Information may the Internet at http://
Issued in Renton, Washington, on
be emailed to: 9-ANM-116-AMOC- www.regulations.gov by searching for
November 7, 2017.
REQUESTS@faa.gov. Before using any and locating Docket No. FAA–2017–
approved AMOC, notify your appropriate Dionne Palermo, 0773; or in person at the Docket
principal inspector, or lacking a principal Acting Director, System Oversight Division, Management Facility between 9 a.m.
sradovich on DSK3GMQ082PROD with RULES
inspector, the manager of the local flight Aircraft Certification Service. and 5 p.m., Monday through Friday,
standards district office/certificate holding [FR Doc. 2017–24810 Filed 11–17–17; 8:45 am] except Federal holidays. The AD docket
district office.
(2) Contacting the Manufacturer: For any BILLING CODE 4910–13–P contains this final rule, the regulatory
requirement in this AD to obtain corrective evaluation, any comments received, and
actions from a manufacturer, the action must other information. The address for the
be accomplished using a method approved Docket Office (phone: 800–647–5527) is
by the Manager, International Section, Docket Management Facility, U.S.
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(3) Will not affect intrastate aviation Undetected cracks could lead to the inability deviation, or alteration deviation must meet
in Alaska, and of the lower chord of the rear spar, a the certification basis of the airplane, and the
(4) Will not have a significant principal structural element, to sustain limit approval must specifically refer to this AD.
load, which could adversely affect the (4) Except as required by paragraph (h)(2)
economic impact, positive or negative,
structural integrity of the airplane. of this AD: For service information that
on a substantial number of small entities contains steps that are labeled as RC, the
under the criteria of the Regulatory (f) Compliance provisions of paragraphs (i)(4)(i) and (i)(4)(ii)
Flexibility Act. Comply with this AD within the of this AD apply.
compliance times specified, unless already (i) The steps labeled as RC, including
List of Subjects in 14 CFR Part 39 done. substeps under an RC step and any figures
Air transportation, Aircraft, Aviation identified in an RC step, must be done to
(g) Required Actions
safety, Incorporation by reference, comply with the AD. If a step or substep is
(1) For Group 2 airplanes identified in labeled ‘‘RC Exempt,’’ then the RC
Safety. Boeing Alert Service Bulletin 737–57A1333, requirement is removed from that step or
Adoption of the Amendment dated May 12, 2017: Except as required by substep. An AMOC is required for any
paragraph (h) of this AD, at the applicable deviations to RC steps, including substeps
Accordingly, under the authority times specified in paragraph 1.E., and identified figures.
delegated to me by the Administrator, ‘‘Compliance,’’ of Boeing Alert Service (ii) Steps not labeled as RC may be
the FAA amends 14 CFR part 39 as Bulletin 737–57A1333, dated May 12, 2017, deviated from using accepted methods in
follows: do all applicable actions identified as ‘‘RC’’ accordance with the operator’s maintenance
(required for compliance) in, and in or inspection program without obtaining
PART 39—AIRWORTHINESS accordance with, the Accomplishment approval of an AMOC, provided the RC steps,
DIRECTIVES Instructions of Boeing Alert Service Bulletin including substeps and identified figures, can
737–57A1333, dated May 12, 2017. still be done as specified, and the airplane
■ 1. The authority citation for part 39 (2) For Group 1 airplanes identified in can be put back in an airworthy condition.
continues to read as follows: Boeing Alert Service Bulletin 737–57A1333,
dated May 12, 2017: Within 120 days after (j) Related Information
Authority: 49 U.S.C. 106(g), 40113, 44701. the effective date of this AD, inspect the For more information about this AD,
airplane and do all applicable corrective contact Payman Soltani, Aerospace Engineer,
§ 39.13 [Amended] actions using a method approved in Airframe Section, FAA, Los Angeles ACO
■ 2. The FAA amends § 39.13 by adding accordance with the procedures specified in Branch, 3960 Paramount Boulevard,
the following new airworthiness paragraph (i) of this AD. Lakewood, CA 90712–4137; phone: 562–627–
directive (AD): (h) Exceptions to Service Information 5313; fax: 562–627–5210; email:
Specifications payman.soltani@faa.gov.
2017–23–07 The Boeing Company:
Amendment 39–19101; Docket No. (1) Where Boeing Alert Service Bulletin (k) Material Incorporated by Reference
FAA–2017–0773; Product Identifier 737–57A1333, dated May 12, 2017, uses the (1) The Director of the Federal Register
2017–NM–067–AD. phrase ‘‘after the original issue date of this approved the incorporation by reference
service bulletin,’’ for purposes of determining (IBR) of the service information listed in this
(a) Effective Date compliance with the requirements of this AD, paragraph under 5 U.S.C. 552(a) and 1 CFR
This AD is effective December 26, 2017. the phrase ‘‘after the effective date of this part 51.
AD’’ must be used. (2) You must use this service information
(b) Affected ADs
(2) Where Boeing Alert Service Bulletin as applicable to do the actions required by
None. 737–57A1333, dated May 12, 2017, specifies this AD, unless the AD specifies otherwise.
contacting Boeing, and specifies that action (i) Boeing Alert Service Bulletin 737–
(c) Applicability
as RC: This AD requires using a method 57A1333, dated May 12, 2017.
(1) This AD applies to all The Boeing approved in accordance with the procedures (ii) Reserved.
Company Model 737–100, –200, –200C, specified in paragraph (i) of this AD. (3) For service information identified in
–300, –400, and –500 series airplanes,
(i) Alternative Methods of Compliance this AD, contact Boeing Commercial
certificated in any category.
(AMOCs) Airplanes, Attention: Contractual & Data
(2) Installation of Supplemental Type
Services (C&DS), 2600 Westminster Blvd.,
Certificate (STC) ST01219SE (http:// (1) The Manager, Los Angeles ACO Branch,
MC 110–SK57, Seal Beach, CA 90740–5600;
rgl.faa.gov/Regulatory_and_Guidance_ FAA, has the authority to approve AMOCs
telephone 562–797–1717; Internet https://
Library/rgstc.nsf/0/ for this AD, if requested using the procedures
www.myboeingfleet.com.
ebd1cec7b301293e86257cb30045557a/$FILE/ found in 14 CFR 39.19. In accordance with
(4) You may view this service information
ST01219SE.pdf) does not affect the ability to 14 CFR 39.19, send your request to your
at the FAA, Transport Standards Branch,
accomplish the actions required by this AD. principal inspector or local Flight Standards
1601 Lind Avenue SW., Renton, WA. For
Therefore, for airplanes on which STC District Office, as appropriate. If sending
information directly to the manager of the information on the availability of this
ST01219SE is installed, a ‘‘change in
certification office, send it to the attention of material at the FAA, call 425–227–1221.
product’’ alternative method of compliance
the person identified in paragraph (j) of this (5) You may view this service information
(AMOC) approval request is not necessary to
AD. Information may be emailed to: 9-ANM- that is incorporated by reference at the
comply with the requirements of 14 CFR
LAACO-AMOC-Requests@faa.gov. National Archives and Records
39.17.
(2) Before using any approved AMOC, Administration (NARA). For information on
(d) Subject notify your appropriate principal inspector, the availability of this material at NARA, call
Air Transport Association (ATA) of or lacking a principal inspector, the manager 202–741–6030, or go to: http://
America Code 57, Wings. of the local flight standards district office/ www.archives.gov/federal-register/cfr/ibr-
certificate holding district office. locations.html.
(e) Unsafe Condition (3) An AMOC that provides an acceptable
sradovich on DSK3GMQ082PROD with RULES
This AD was prompted by the report of a level of safety may be used for any repair, Issued in Renton, Washington, on
crack indication in the horizontal flange of modification, or alteration required by this November 6, 2017.
the lower chord of the left wing rear spar at AD if it is approved by the Boeing Dionne Palermo,
wing buttock line (WBL) 157 and multiple Commercial Airplanes Organization
Acting Director, System Oversight Division,
reports of similar crack findings on other Designation Authorization (ODA) that has
Aircraft Certification Service.
airplanes. We are issuing this AD to detect been authorized by the Manager, Los Angeles
and correct cracking of the lower chord of the ACO Branch, to make those findings. To be [FR Doc. 2017–24732 Filed 11–17–17; 8:45 am]
rear spar and the lower aft skin at WBL 157. approved, the repair method, modification BILLING CODE 4910–13–P
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Document Created: 2018-10-25 10:40:55
Document Modified: 2018-10-25 10:40:55
| 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 December 26, 2017. | |
| Contact | Payman Soltani, Aerospace Engineer, Airframe Section, FAA, Los Angeles ACO Branch, 3960 Paramount Boulevard, Lakewood, CA 90712-4137; phone: 562-627-5313; fax: 562-627- 5210; email: [email protected] | |
| FR Citation | 82 FR 55037 | |
| RIN Number | 2120-AA64 | |
| CFR Associated | Air Transportation; Aircraft; Aviation Safety; Incorporation by Reference and Safety |
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