AD 2012-02-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pratt | & Whitney (PW) Turbofan | Airworthiness Directives; Pratt & Whitney (PW) Turbofan Engines |
Unsafe Condition
Fan blade leading edge erosion can result in a fan thrust deterioration mode (FTDM) condition, which cannot be detected by the crew and reduces the engine's capability of producing required thrust.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Initial and repetitive maintenance to restore the leading edge contour of specified fan blades or applying performance decrements as specified in the Airplane Flight Manual.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 500 cycles-in-service after the effective date of this AD or within 1,000 cycles-in-service after the last leading edge restoration, whichever occurs later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pratt & Whitney PW2037, PW2037(M), and PW2040 turbofan engines with certain fan blades with a cutback leading edge, installed.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.