United States Government Publishing Office publisher pbl distributor dst United States National Archives and Records Administration Office of the Federal Register author aut Government Organization text government publication eng FR Regulatory Information 2025_register executive 2025-01-31 article Rules and Regulations D09002ee1cf910a5a D09002ee1cf910ac0 United States Department of Transportation originator org United States Government Agency or Subagency United States Federal Aviation Administration originator org United States Government Agency or Subagency The FAA is superseding Airworthiness Directive (AD) 2023-09- 01, which applied to all Airbus SAS Model A318 series airplanes; Model A319 series airplanes; Model A320-211, -212, -214, -216, -231, -232, - 233, -251N, -252N, -253N, -271N, -272N, and -273N airplanes; and Model A321 series airplanes. AD 2023-09-01 was prompted by a report that certain overheat detection system (OHDS) sensing elements installed at certain positions might not properly detect thermal bleed leak events due to a quality escape during the manufacturing process. AD 2023-09-01 required a one-time detailed inspection of each affected part installed at an affected position and replacement if necessary and prohibited the installation of affected parts at affected positions. Since the FAA issued AD 2023-09-01, a new airplane model (A321-253NY) has been certified by EASA, on which affected parts could be installed in service. This AD continues to require the actions in AD 2023-09-01, and revises the applicability to include Model A321-253NY airplanes, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products. 90 FR 8667 https://www.govinfo.gov/app/details/FR-2025-01-31/2025-02039 2025-02039 fr31ja25-6 RIN 2120-AA64 4910-13-P Docket No. FAA-2024-2715 Project Identifier MCAI-2024-00621-T Amendment 39-22919 AD 2024-26-04 https://www.govinfo.gov/app/details/FR-2025-01-31/2025-02039 https://www.govinfo.gov/content/pkg/FR-2025-01-31/html/2025-02039.htm https://www.govinfo.gov/content/pkg/FR-2025-01-31/pdf/2025-02039.pdf Air Transportation Aircraft Aviation Safety Incorporation by Reference Safety 4 p. 8667 8670 90 FR 8667 Title 14 Part 39 14 CFR Part 39 RIN 2120-AA64 Airworthiness Directives; Airbus SAS Airplanes; Federal Register Vol. 90, Issue RULE 2025-02039 DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 2025-02-18 Docket No. FAA-2024-2715 Project Identifier MCAI-2024-00621-T Amendment 39-22919 AD 2024-26-04 4910-13-P 2025-02039 Final rule; request for comments.

The FAA is superseding Airworthiness Directive (AD) 2023-09- 01, which applied to all Airbus SAS Model A318 series airplanes; Model A319 series airplanes; Model A320-211, -212, -214, -216, -231, -232, - 233, -251N, -252N, -253N, -271N, -272N, and -273N airplanes; and Model A321 series airplanes. AD 2023-09-01 was prompted by a report that certain overheat detection system (OHDS) sensing elements installed at certain positions might not properly detect thermal bleed leak events due to a quality escape during the manufacturing process. AD 2023-09-01 required a one-time detailed inspection of each affected part installed at an affected position and replacement if necessary and prohibited the installation of affected parts at affected positions. Since the FAA issued AD 2023-09-01, a new airplane model (A321-253NY) has been certified by EASA, on which affected parts could be installed in service. This AD continues to require the actions in AD 2023-09-01, and revises the applicability to include Model A321-253NY airplanes, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.

This AD is effective February 18, 2025. Dan Rodina, Aviation Safety Engineer, FAA, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 206- 231-3225; email dan.rodina@faa.gov. Air Transportation Aircraft Aviation Safety Incorporation by Reference Safety Airworthiness Directives Airbus SAS Airplanes, ADs@easa.europa.eu AMOC@faa.gov avionicssupport@collins.com dan.rodina@faa.gov fr.inspection@nara.gov kiddeaerospace.com regulations.gov www.archives.gov/federal-register/cfr/ibr-locations Vol. 90, no. 20 Office of the Federal Register, National Archives and Records Administration 2025-01-31 continuing daily deposited born digital 134 p. Table of Contents: AE 2.7: GS 4.107: AE 2.106: KF70.A2 https://www.govinfo.gov/app/details/FR-2025-01-31 P0b002ee1cf90b41a 0097-6326 0042-1219 0364-1406 769-004-00000-9 000582072 f:fr31ja25 https://www.govinfo.gov/app/details/FR-2025-01-31 https://www.govinfo.gov/content/pkg/FR-2025-01-31/pdf/FR-2025-01-31.pdf https://www.govinfo.gov/content/pkg/FR-2025-01-31/xml/FR-2025-01-31.xml fdlp 8625 8752 DGPO 2025-01-31 2025-01-31 FR-2025-01-31 machine generated eng FR FR-2025-01-31 90 20