AD 2009-14-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | Models PW2037 | Airworthiness Directives; Pratt & Whitney Models PW2037, PW2037(M), and PW2040 Turbofan Engines |
Unsafe Condition
Material defects in the 12th stage disks of certain high-pressure compressor (HPC) drum rotor disk assemblies, which could lead to cracks extending from the disk bore to the rim, potentially resulting in uncontained failure of the HPC 12th stage disk and airplane damage.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the 12th stage disks of certain HPC drum rotor disk assemblies for cracks using a special eddy current inspection procedure performed by Pratt & Whitney.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 500 cycles-in-service from the effective date of the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pratt & Whitney models PW2037, PW2037(M), and PW2040 turbofan engines, with specific high-pressure compressor (HPC) drum rotor disk assemblies installed, as detailed in the AD's Table 1.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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