AD 2006-08-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company CT64-820-4 | Airworthiness Directives; General Electric Company CT64-820-4 Turboprop Engines |
Unsafe Condition
Cracks in certain part number (P/N) rotating parts of the compressor rotor assembly, gas generator turbine rotor assembly, and power turbine rotor assembly, which are subject to low-cycle fatigue, could lead to compressor and turbine wheel fracture and uncontained engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove from service the affected life-limited rotating parts listed in Table 1 of the AD at reduced compliance times.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within reduced compliance times specified in the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
General Electric Company CT64-820-4 turboprop engines with specific part numbers listed in Table 1 of the AD, installed on, but not limited to, DeHavilland DHC-5D Buffalo airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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