AD Amdt-39-13094
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | CFM | International (CFMI) CFM56-5C Series Turbofan | Airworthiness Directives; CFM International (CFMI) CFM56-5C Series Turbofan Engines |
Unsafe Condition
Low-cycle-fatigue (LCF) failure of certain HPTR front shafts, HPTR front air seals, and booster spools, which 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
Remove the low pressure turbine rotor (LPTR) stage 3 disks and high pressure turbine rotor (HPTR) disks from the parts listed with lowered life limits in the existing AD.
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
CFM International (CFMI) CFM56-5C 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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