Data / Federal rules / 2024-00377
Airworthiness Directives; CFM International, S.A. Engines
The Federal Aviation Administration published this proposed rule in the Federal Register on January 11, 2024. Comments closed on February 26, 2024.
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What the agency says
The FAA proposes to adopt a new airworthiness directive (AD) for CFM International (CFM) Model LEAP-1A23, LEAP-1A24, LEAP-1A24E1, LEAP-1A26, LEAP-1A26CJ, LEAP-1A26E1, LEAP-1A29, LEAP-1A29CJ, LEAP-1A30, LEAP-1A32, LEAP-1A33, LEAP-1A33B2, and LEAP-1A35A engines. This proposed AD was prompted by detection of melt-related freckles in the billet, which may reduce the life of certain high-pressure turbine (HPT) rotor interstage seals. This proposed AD would require removing the affected HPT rotor interstage seals from service and replacing with a part eligible for installation. The FAA is proposing this AD to address the unsafe condition on these products.
Key facts
- Document number
- 2024-00377
- Type
- Proposed rule
- Action
- Notice of proposed rulemaking (NPRM)
- Agency
- Transportation Department; Federal Aviation Administration
- Published
- January 11, 2024
- Comments due
- February 26, 2024
- Dates
- The FAA must receive comments on this proposed AD by February 26, 2024.
- Docket
- Docket No. FAA-2024-0030; Project Identifier AD-2023-01066-E
- Regulation ID (RIN)
- 2120-AA64
- Code of Federal Regulations
- 14 CFR 39
- Topics
- Air transportation; Aircraft; Aviation safety; Incorporation by reference; Safety
- Pages
- 3
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Everything from the Federal Aviation Administration · Rules on air transportation · Rules on aircraft · Rules on aviation safety · Published in January 2024
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