AD 2004-01-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | JT9D-7R4 Series | Airworthiness Directives; Pratt & Whitney JT9D-7R4 Series Turbofan Engines |
Unsafe Condition
Uncontained full fan blade fractures leading to penetration of the steel fan case and fan case shield.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the existing one-piece fan case shield with a thicker four-piece fan case shield and install four fan case shield supports.
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 JT9D-7R4 series turbofan engines with steel fan cases.
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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