AD Amdt-39-12876
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | CFM | International CFM56 Series | Airworthiness Directives; CFM International CFM56 Series Turbofan Engines |
Unsafe Condition
Low-cycle-fatigue (LCF) failure of certain HPTR front shafts, HPTR front air seals, HPTR disks, booster spools, and LPTR stage 3 disks could result in an uncontained engine failure and damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Establish new life limits for certain LPTR stage 3 disks and all HPTR disks listed in the existing AD. Inspect and replace components as necessary to comply with the new life limits.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the specified life limits established by this amendment.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
CFM International (CFMI) CFM56-5C series turbofan engines, as listed in the existing AD.
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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