AD Amdt-39-9956
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Aircraft | Airworthiness Directives; General Electric Aircraft Engines CT7 Series Turboprop Engines |
Unsafe Condition
Cracks in the disk holes of stage 1 and 2 gas generator turbine (GGT) disks could lead to stage 1 or 2 GGT disk failure, resulting in uncontained engine failure and damage to the aircraft.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform eddy current inspection of disk holes of stage 1 and 2 GGT disks. Replace any cracked parts with serviceable components.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
General Electric Aircraft Engines CT7 series turboprop engines
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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