AD Amdt-39-9997
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | PW2000 Series | Airworthiness Directives; Pratt & Whitney PW2000 Series Turbofan Engines |
Unsafe Condition
Cracks in the forward face of the first stage high pressure turbine (HPT) disks at the base of the fir tree lug at the outer diameter (OD) snap fillet radius where the side plates mate with the disk may lead to fir tree lug fracturing and uncontained disk failures.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect for cracks in the forward face of the first stage HPT disks at the specified location, rework the disks as required, and establish a new reduced cyclic life limit for certain disks.
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
Pratt & Whitney PW2000 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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