AD 2004-10-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | CFM | International | Airworthiness Directives; CFM International, S.A. CFM56-2-C, -3 Series, and -5 Series Turbofan Engines |
Unsafe Condition
Main fuel pump bronze gear-stage bearing failures leading to fuel nozzle clogging, low pressure turbine (LPT) case burn-through, and damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove main fuel pumps with bronze gear-stage bearings and install main fuel pumps with bi-metal, aluminum/bronze bearings.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next engine shop visit or main fuel pump replacement, whichever comes earlier.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
CFM International, S.A., CFM56-2-C, -3 series, and -5 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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