AD Amdt-39-9676
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | PW4000 Series | Airworthiness Directives; Pratt & Whitney PW4000 Series Turbofan Engines |
Unsafe Condition
Failure of the aft cascade support frame assembly due to cracks can result in thrust reverser hardware liberation and ejection from the aircraft during thrust reverser operation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the aft cascade support frame assembly of thrust reverser for cracks initially and repetitively. Replace with serviceable parts if necessary or lockout the thrust reversers.
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
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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