AD 2003-05-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company CF34-3A1 | Airworthiness Directives; General Electric Company CF34-3A1, -3B, and -3B1 Turbofan Engines |
Unsafe Condition
Blockage of B-sump scavenge screens due to coking, which could lead to ignition of B-sump oil in the secondary air system, fan drive shaft separation, and uncontained engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Initial and repetitive visual inspections and cleaning of the B-sump scavenge screens until a screenless fitting is installed.
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
General Electric Company CF34-3A1, -3B, and -3B1 turbofan engines with scavenge screens part numbers 4047T95P01 and 5054T86G02 installed in the B-sump oil scavenge system.
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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