AD 2001-17-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | CFM | International CFM56 Series | Airworthiness Directives; CFM International CFM56 Series Turbofan Engines |
Unsafe Condition
Incorrect cyclic life limit listed in the CFM56-5C Engine Shop Manual for the LPT conical support, P/N 337-002-407-0, could result in the part remaining in service beyond its certified cyclic life limit, leading to an uncontained engine failure and damage to the airplane.
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Required Actions
Remove LPT conical support, P/N 337-002-407-0, at or before accumulating 9,350 cycles-since-new (CSN) and replace with a serviceable part. After the effective date of this AD, do not install any LPT conical support, P/N 337-002-407-0 with 9,350 CSN or greater, into CFM56-5C4/1 model engines.
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Compliance Time
Within 9,350 cycles-since-new (CSN)
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Affected Aircraft
CFM International CFM56-5C4/1 series turbofan engines with LPT conical support, part number (P/N) 337-002-407-0, installed. These engines are installed on, but not limited to, Airbus Industrie A320 series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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