2024-18-08: Equipment/furnishings

1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. 2. The FAA amends § 39.13 by adding the following new airworthiness directive: 2024-18-08 The Boeing Company: Amendment 39-22842; Docket No. FAA-2024-1693; Project Identifier AD-2023-01229-T. (a) Effective Date This airworthiness directive (AD) is effective November 15, 2024. (b) Affected ADs None. (c) Applicability This AD applies to The Boeing Company Model 737-300, -400, and -800 series airplanes, certificated in any category, as identified in Boeing Alert Requirements Bulletin 737-25A1873 RB, dated August 25, 2023; or Boeing Alert Requirements Bulletin 737-25A1876 RB, dated September 1, 2023; as applicable. (d) Subject Air Transport Association (ATA) of America Code 25, Equipment/furnishings. (e) Unsafe Condition This AD was prompted by a report that the protective spiral wrap used on certain galley wire bundles does not have the correct flammability properties and may not self-extinguish. The unsafe condition, if not addressed, could result in electrical arcing or sparking, ignition of the spiral wire wrapping, and smoke and/or fire in the flight compartment, leading to loss of continued safe flight and landing. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Required Actions (1) For Model 737-300 and -400 series airplanes: Except as specified by paragraph (h)(1) of this AD, at the applicable times specified in the "Compliance" paragraph of Boeing Alert Requirements Bulletin 737-25A1873 RB, dated August 25, 2023, do all applicable actions identified in, and in accordance with, the Accomplishment Instructions of Boeing Alert Requirements Bulletin 737-25A1873 RB, dated August 25, 2023. Note 1 to paragraph (g)(1): Guidance for accomplishing the actions required by this AD can be found in Boeing Alert Service Bulletin 737-25A1873, dated August 25, 2023, which is referred to in Boeing Alert Requirements Bulletin 737-25A1873 RB, dated August 25, 2023. (2) For Model 737-800 series airplanes: Except as specified by paragraph (h)(2) of this AD, at the applicable times specified in the "Compliance" paragraph of Boeing Alert Requirements Bulletin 737-25A1876 RB, dated September 1, 2023, do all applicable actions identified in, and in accordance with, the Accomplishment Instructions of Boeing Alert Requirements Bulletin 737-25A1876 RB, dated September 1, 2023. Note 2 to paragraph (g)(2): Guidance for accomplishing the actions required by this AD can be found in Boeing Alert Service Bulletin 737-25A1876, dated September 1, 2023, which is referred to in Boeing Alert Requirements Bulletin 737-25A1876 RB, dated September 1, 2023. (h) Exceptions to Service Information Specifications (1) Where the Compliance Time columns of the tables in the "Compliance" paragraph of Boeing Alert Requirements Bulletin 737-25A1873 RB, dated August 25, 2023, refer to the original issue date of Requirements Bulletin 737-25A1873 RB, this AD requires using the effective date of this AD. (2) Where the Compliance Time columns of the tables in the "Compliance" paragraph of Boeing Alert Requirements Bulletin 737-25A1876 RB, dated September 1, 2023, refer to the original issue date of Requirements Bulletin 737-25A1876 RB, this AD requires using the effective date of this AD. (i) Parts Installation Prohibition As of the effective date of this AD, no person may install a galley wire bundle spiral wrap made of polyethylene with self-wrapping sleeve on any airplane. (j) Alternative Methods of Compliance (AMOCs) (1) The Manager, AIR-520, Continued Operational Safety 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 responsible Flight Standards 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 (k)(1) 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 responsible Flight Standards 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 Company Organization Designation Authorization (ODA) that has been authorized by the Manager, AIR-520, Continued Operational Safety Branch, FAA, 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. (k) Related Information (1) For more information about this AD, contact Julie Linn, Aviation Safety Engineer, FAA, 2200 South 216th St., Des Moines, WA 98198; phone and fax: 206-231-3584; email: [email protected]. (2) Service information identified in this AD that is not incorporated by reference is available at the address specified in paragraph (l)(3) of this AD. (l) Material Incorporated by Reference (1) The Director of the Federal Register approved the incorporation by reference (IBR) of the material listed in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51. (2) You must use this material as applicable to do the actions required by this AD, unless the AD specifies otherwise. (i) Boeing Alert Requirements Bulletin 737-25A1873 RB, dated August 25, 2023. (ii) Boeing Alert Requirements Bulletin 737-25A1876 RB, dated September 1, 2023. (3) For Boeing material 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; website myboeingfleet.com. (4) You may view this material at the FAA, Airworthiness Products Section, Operational Safety Branch, 2200 South 216th St., Des Moines, WA. For information on the availability of this material at the FAA, call 206-231-3195. (5) You may view this material at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, visit www.archives.gov/federal-register/cfr/ibr-locations or email [email protected]. Issued on September 6, 2024. Peter A. White, Deputy Director, Integrated Certificate Management Division, Aircraft Certification Service. [FR Doc. 2024-23541 Filed 10-10-24; 8:45 am]BILLING CODE 4910-13-P