AD 2019-18-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Engine Alliance | Turbofan | Airworthiness Directives; Engine Alliance Turbofan Engines |
Unsafe Condition
A fatigue crack originating inboard of a blade slot after the manufacturer performed a metallurgical examination of the engine fan hub that was recovered, related to the September 30, 2017 event.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
An initial and repetitive ECI of the engine fan hub blade slot bottom and blade slot front edge for cracks, an independent inspection of the engine fan hub assembly prior to the reassembly of the engine fan hub blade lock assembly, and a visual inspection of the engine fan hub assembly for damage. For certain serial-numbered GP7270 and GP7277 model turbofan engines, replacement of the engine fan hub blade lock assembly with a part eligible for installation.
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Compliance Time
Before further flight
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Affected Aircraft
Engine Alliance GP7270 and GP7277 model turbofan engines
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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