2024-26-05: Oxygen

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: 2024-26-05 Airbus SAS: Amendment 39-22920; Docket No. FAA-2024-0471; Project Identifier MCAI-2023-01213-T. (a) Effective Date This airworthiness directive (AD) is effective March 11, 2025. (b) Affected ADs None. (c) Applicability This AD applies to all Airbus SAS airplanes, certificated in any category, identified in paragraphs (c)(1) through (8) of this AD. (1) Model A300 B4-601, B4-603, B4-620, B4-622, B4-605R, B4-622R, C4-605R Variant F, F4-605R, and F4-622R airplanes. (2) Model A310-203, -204, -221, -222, -304, -322, -324, and -325 airplanes. (3) Model A318-111, -112, -121, and -122 airplanes. (4) Model A319-111, -112, -113, -114, -115, -131, -132, -133, -151N, -153N, and -171N airplanes. (5) Model A320-211, -212, -214, -216, -231, -232, -233, -251N, -252N, -253N, -271N, -272N, and -273N airplanes. (6) Model A321-111, -112, -131, -211, -212, -213, -231, -232, -251N, -252N, -253N, -271N, -272N, -251NX, -252NX, -253NX, -271NX, -272NX, and A321-253NY airplanes. (7) Model A330-201, -202, -203, -223, -223F, -243, -243F, -301, -302, -303, -321, -322, -323, -341, -342, -343, -841, and -941 airplanes. (8) Model A340-211, -212, -213, 311, -312, -313, -541, and -642 airplanes. (d) Subject Air Transport Association (ATA) of America Code 35, Oxygen. (e) Unsafe Condition This AD was prompted by reported occurrences of chemical oxygen generators failing to activate in service and during maintenance activities. The FAA is issuing this AD to address poor reactivity of the start powder used inside the affected oxygen generators. The unsafe condition, if not addressed, could lead to a reduction of the available oxygen capacity of the airplane and could result in injury to airplane occupants. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Requirements Except as specified in paragraph (h) of this AD: Comply with all required actions and compliance times specified in, and in accordance with, European Union Aviation Safety Agency (EASA) AD 2024-0198, dated October 18, 2024 (EASA AD 2024-0198). (h) Exceptions to EASA AD 2024-0198 (1) Where EASA AD 2024-0198 refers to December 6, 2023 (the effective date of EASA AD 2023-0209, dated November 22, 2023), this AD requires using the effective date of this AD. (2) Where EASA AD 2024-0198 refers to its effective date, this AD requires using the effective date of this AD. (3) Where paragraph (1) of EASA AD 2024-0198 specifies to "replace each affected part with a serviceable part in accordance with the instructions of the AOT," this AD requires replacing that text with "replace each affected part with an oxygen generator, eligible for installation, which is not an affected part, in accordance with paragraph 5.6 of the AOT." (4) Where the service information referenced in EASA AD 2024-0198 specifies a method of compliance for removal and installation of the oxygen container/generator in accordance with the service information or aircraft maintenance manual, for this AD, either method is acceptable. (5) The service information referenced in EASA AD 2024-0198 specifies to report inspection results to Airbus and return affected oxygen generators to Collins Aerospace. For this AD, reporting inspection results is required at the applicable time specified in paragraph (h)(5)(i) or (ii) of this AD, but returning affected oxygen generators to Collins Aerospace is not required by this AD. (i) If the affected oxygen generator was replaced on or after the effective date of this AD: Submit the report within 40 days after the replacement. (ii) If the affected oxygen generator was replaced before the effective date of this AD: Submit the report within 40 days after the effective date of this AD. (6) This AD does not adopt the "Remarks" section of EASA AD 2024-0198. (i) Additional AD Provisions The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): 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 Continued Operational Safety Branch, mail it to the address identified in paragraph (j) of this AD. Information may be emailed to: AMOC@faa.gov. Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the responsible Flight Standards Office. (2) Contacting the Manufacturer: For any requirement in this AD to obtain instructions from a manufacturer, the instructions must be accomplished using a method approved by the Manager, AIR-520, Continued Operational Safety Branch, FAA; or EASA; or Airbus SAS's EASA Design Organization Approval (DOA). If approved by the DOA, the approval must include the DOA-authorized signature. (3) Required for Compliance (RC): Except as required by paragraphs (h)(3), (h)(4), and (i)(2) of this AD, if any service information referenced in EASA AD 2024-0198 contains paragraphs that are labeled as RC, the instructions in RC paragraphs, including subparagraphs under an RC paragraph, must be done to comply with this AD; any paragraphs, including subparagraphs under those paragraphs, that are not identified as RC are recommended. The instructions in paragraphs, including subparagraphs under those paragraphs, not identified 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 instructions identified as RC can be done and the airplane can be put back in an airworthy condition. Any substitutions or changes to instructions identified as RC require approval of an AMOC. (j) Additional Information For more information about this AD, contact Dan Rodina, Aviation Safety Engineer, FAA, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 206-231-3225; email dan.rodina@faa.gov. (k) 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 this AD specifies otherwise. (i) European Union Aviation Safety Agency (EASA) AD 2024-0198, dated October 18, 2024. (ii) [Reserved] (3) For EASA AD material identified in this AD, contact EASA, Konrad-Adenauer-Ufer 3, 50668 Cologne, Germany; telephone +49 221 8999 000; email ADs@easa.europa.eu; website easa.europa.eu. You may find this EASA AD on the EASA website at ad.easa.europa.eu. (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 fr.inspection@nara.gov. Issued on December 19, 2024. Suzanne Masterson, Deputy Director, Integrated Certificate Management Division, Aircraft Certification Service. [FR Doc. 2025-02133 Filed 2-3-25; 8:45 am]BILLING CODE 4910-13-P