AD 2017-11-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | Turbofan | Airworthiness Directives; Pratt & Whitney Turbofan Engines |
Unsafe Condition
Cracking and rupture of the diffuser case M-flange, which could lead to uncontained engine failure and damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform additional repetitive, on-wing eddy current inspections (ECI) of the diffuser case M-flange. The inspections must be conducted in accordance with the specified intervals and criteria outlined in the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the specified intervals as outlined in the AD, starting from the effective date.
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Affected Aircraft
Pratt & Whitney PW2037, PW2037D, PW2037M, PW2040, PW2040D, PW2043, PW2143, PW2643, and F117-PW-100 turbofan engines with diffuser cases that incorporate a wrought M-flange.
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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