AD 2022-10-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Engine Alliance | Turbofan | Airworthiness Directives; Engine Alliance Turbofan Engines |
Unsafe Condition
The presence of foreign material in the billet may lead to crack formations and premature failure of the HPC stage 8 rotor disk. This condition, if not addressed, could result in failure of the HPC stage 8 rotor disk, uncontained release of the HPC stage 8 rotor disk, damage to the engine, and damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
This AD requires the replacement of the affected stages 7-9 compressor rotor spool.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Engine Alliance GP7270, GP7272, and GP7277 model turbofan engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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