2024-13-02: Oxygen

1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. § 39.13 [Amended] 2. The FAA amends § 39.13 by adding the following new airworthiness directive: 2024-13-02 The Boeing Company: Amendment 39-22776; Docket No. FAA-2024-1697; Project Identifier AD-2024-00252-T. (a) Effective Date This airworthiness directive (AD) is effective July 25, 2024. (b) Affected ADs None. (c) Applicability This AD applies to all The Boeing Company Model 737-8, 737-9, and 737-8200 airplanes and Model 737-700, -800, and -900ER series airplanes, certificated in any category. (d) Subject Air Transport Association (ATA) of America Code 35, Oxygen. (e) Unsafe Condition This AD was prompted by multiple reports of passenger service unit (PSU) oxygen generators shifting out of position within their associated PSU assemblies because of a retention failure. The FAA is issuing this AD to address PSU oxygen generators that might shift out of position within the PSU assembly and become non-functional. The unsafe condition, if not addressed, could result in an inability to provide supplemental oxygen to passengers during a depressurization event. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Required Actions (1) For Model 737-8, 737-9, and 737-8200 airplanes as identified in Boeing Special Attention Requirements Bulletin 737-35-1210 RB, dated June 17, 2024: Except as specified by paragraph (h) of this AD, at the applicable times specified in the "Compliance" paragraph of Boeing Special Attention Requirements Bulletin 737-35-1210 RB, dated June 17, 2024, do all applicable actions identified in, and in accordance with, the Accomplishment Instructions of Boeing Special Attention Requirements Bulletin 737-35-1210 RB, dated June 17, 2024. Note 1 to paragraph (g)(1): Guidance for accomplishing the actions required by this AD can be found in Boeing Special Attention Service Bulletin 737-35-1210, dated June 17, 2024, which is referred to in Boeing Special Attention Requirements Bulletin 737-35-1210 RB, dated June 17, 2024. (2) For Model 737-700, -800, and -900ER series airplanes as identified in Boeing Special Attention Requirements Bulletin 737-35-1211 RB, dated June 17, 2024: Except as specified by paragraph (h) of this AD, at the applicable times specified in the "Compliance" paragraph of Boeing Special Attention Requirements Bulletin 737-35-1211 RB, dated June 17, 2024, do all applicable actions identified in, and in accordance with, the Accomplishment Instructions of Boeing Special Attention Requirements Bulletin 737-35-1211 RB, dated June 17, 2024. Note 2 to paragraph (g)(2): Guidance for accomplishing the actions required by this AD can be found in Boeing Special Attention Service Bulletin 737-35-1211, dated June 17, 2024, which is referred to in Boeing Special Attention Requirements Bulletin 737-35-1211 RB, dated June 17, 2024. (h) Exceptions to Service Information Specifications (1) Where the Compliance Time columns of the tables in the "Compliance" paragraph of Boeing Special Attention Requirements Bulletin 737-35-1210 RB, dated June 17, 2024, refer to the original issue date of Requirements Bulletin 737-35-1210 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 Special Attention Requirements Bulletin 737-35-1211 RB, dated June 17, 2024, refer to the original issue date of Requirements Bulletin 737-35-1211 RB, this AD requires using the effective date of this AD. (i) Parts Installation Prohibition As of the effective date of the AD, no person may install a pressure-sensitive adhesive (PSA) thermal pad, part number 53010 or 73667, under the PSU oxygen generator retention strap, 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 Nicole Tsang, Aviation Safety Engineer, FAA, 2200 South 216th St., Des Moines, WA 98198; phone: 206-231-3959; email: [email protected]. (2) Boeing material 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 service information 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 Special Attention Requirements Bulletin 737-35-1210 RB, dated June 17, 2024. (ii) Boeing Special Attention Requirements Bulletin 737-35-1211 RB, dated June 17, 2024. (3) For Boeing material, 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 June 20, 2024. Suzanne Masterson, Deputy Director, Integrated Certificate Management Division, Aircraft Certification Service. [FR Doc. 2024-15229 Filed 7-8-24; 11:15 am]BILLING CODE 4910-13-P