AD 2007-08-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company CT7-5 | Airworthiness Directives; General Electric Company CT7-5, -7, and -9 Series Turboprop Engines |
Unsafe Condition
Separation of the stage 2 turbine aft cooling plate, resulting in 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
Perform a one-time eddy current inspection (ECI) of the stage 2 turbine aft cooling plates with specific part numbers and serial numbers listed in GE Alert Service Bulletin CT7-TP S/B 72-A0464, Revision 04. Replace cooling plates that do not pass the inspection criteria with new ones or ones meeting the acceptance criteria. Do not install affected cooling plates without inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before accumulating an additional 6,000 cycles-in-service after the effective date of the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
General Electric Company CT7-5A2/-5A3/-7A/-7A1/-9B/-9B1/-9B2/-9C/-9C3/-9D/-9D2 turboprop engines with stage 2 turbine aft cooling plates, part number 6064T07P01, 6064T07P02, 6064T07P05, or 6068T36P01 installed.
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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