AD 2025-14-08
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | CFM | International | Airworthiness Directives; CFM International, S.A. Engines |
Unsafe Condition
fracture and subsequent uncontained failure of certain HPT rotor stage 1 disks and a certain compressor rotor stages 6-10 spool due to material properties reduced by iron inclusion
Required Actions
replace certain HPT rotor stage 1 disks and a certain compressor rotor stages 6-10 spool
Compliance Time
Within 50 flight hours
Affected Aircraft
CFM International, S.A. Model LEAP-1B21, LEAP-1B23, LEAP-1B25, LEAP-1B27, LEAP-1B28, LEAP-1B28B1, LEAP-1B28B2, LEAP-1B28B2C, LEAP-1B28B3, LEAP-1B28BBJ1, and LEAP-1B28BBJ2 engines
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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