AD Amdt-39-10137
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company CT58 Series | Airworthiness Directives; General Electric Company CT58 Series Turboshaft Engines |
Unsafe Condition
Fatigue cracking on specific critical rotating parts, such as the compressor rear shaft and stage 2 turbine wheel, could result in failure of the part, causing an uncontained engine failure and damage to the aircraft.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove from service certain compressor rear shafts, perform initial and repetitive inspections of specific critical rotating parts, and replace any parts found cracked with improved design parts.
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
General Electric Company CT58 series turboshaft 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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