AD Amdt-39-10752
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | CFM | International CFM56-3 | Airworthiness Directives; CFM International CFM56-3, -3B, and -3C Series Turbofan Engines |
Unsafe Condition
AGB starter gearshaft failure can cause inflight engine shutdowns, and on aircraft with two affected engines, possible dual engine shutdown and forced landing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace a suspect AGB starter gearshaft with a serviceable gearshaft or remove the affected engine and replace with a serviceable engine. Compliance timelines vary based on aircraft configuration: within 350 hours TIS or by September 1, 1998 for twin-engine installations, and within 2,100 hours TIS or by February 1, 1999 for single-engine installations.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 350 hours TIS or by September 1, 1998 for two engines; within 2,100 hours TIS or by February 1, 1999 for one engine
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
CFM International CFM56-3, -3B, and -3C series turbofan engines installed on aircraft
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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