AD 2010-13-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | CFM | International | Airworthiness Directives; CFM International, S.A. CFM56-5, -5B, and -7B Series Turbofan Engines |
Unsafe Condition
Material nonconformity requiring removal of the disk before the certified disk life of certain stage 3 low-pressure turbine (LPT) disks. This could lead to uncontained failure of the stage 3 LPT disk and damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove stage 3 LPT disks from service before accumulating 9,500 cycles-since-new. Do not reinstall any removed disks into any engine after the effective date of this AD.
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Compliance Time
Before accumulating 9,500 cycles-since-new.
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Affected Aircraft
CFM International CFM56-5, -5B, and -7B series turbofan engines with stage 3 LPT disks part number 336-002-006-0, installed with serial numbers DE255844, DE256388, DE256622, DE256623, DE256625, DE256627, DE256628, DE256631, and DE256637. The -5 and -5B series engines are installed on, but not limited to, Airbus A318, A319, A320, and A321 airplanes, and the -7B series engines are installed on, but not limited to, Boeing 737 series airplanes.
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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