Superseded. This AD was superseded by AD 2025-12-03. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2023-09-06
Effective 06/23/2023 · Published 05/19/2023
Airworthiness Directives; CFM International, S.A. Turbofan Engines
Summary
The FAA is adopting a new airworthiness directive (AD) for all CFM International, S.A. (CFM) 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 (LEAP-1A) model turbofan engines. This AD was prompted by a manufacturer investigation that revealed that certain high-pressure turbine (HPT) rotor stage 1 disks (HPT s…