AD Amdt-39-11121
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Pratt & Whitney PW4000 Series Turbofan Engines |
| engine | Pratt & Whitney | PW4000 Series | Airworthiness Directives; Pratt & Whitney PW4000 Series Turbofan Engines |
Unsafe Condition
Uncontained failures of critical rotating engine parts due to undetected conditions in critical life-limited parts.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the Time Limits Section (TLS) of the manufacturer's Engine Manuals (EMs) to include enhanced inspections of selected critical life-limited parts at each piece-part exposure. Incorporate these inspection procedures into the air carrier's approved continuous airworthiness maintenance program.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Not specified in the provided text.
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Affected Aircraft
Pratt & Whitney PW4000 series turbofan 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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