AD 93-23-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric Company | CT7-5A2 | GENERAL ELECTRIC AIRCRAFT ENGINES Models (GE) CT7-5A2 and -7A Engines |
| engine | General Electric Company | CT7-7A | GENERAL ELECTRIC AIRCRAFT ENGINES Models (GE) CT7-5A2 and -7A Engines |
Unsafe Condition
Fatigue cracks that can lead to an uncontained engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect GGT rotor Stage 1 and 2 components and PT Stage 3 and 4 disks per SB A72-228/229. Replace parts with serviceable ones if shotpeening is found. Mark parts with SB number if no shotpeening found.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before exceeding the 'max total cycles prior to inspect' limits in the SB tables, but not later than December 31, 1995.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
General Electric Aircraft Engines Models CT7-5A2 and -7A engines with GGT rotor and PT disks listed by serial number in SB A72-228 and A72-229.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.