AD 2002-07-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | JT9D-7R4 Series | Airworthiness Directives; Pratt & Whitney JT9D-7R4 Series Turbofan Engines |
Unsafe Condition
Uncontained failure of the low pressure turbine (LPT) 5th stage disk due to incomplete blend repairs.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect LPT 5th stage disks for evidence of blend repairs and mechanical damage. Replace affected disks based on the extent of repairs and damage.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours after 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 JT9D-7R4 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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