AD 89-22-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney Division | JT3D-3B | PRATT & WHITNEY Models JT3D-3B and JT3D-7 Engines |
| engine | Pratt & Whitney Division | JT3D-7 | PRATT & WHITNEY Models JT3D-3B and JT3D-7 Engines |
Unsafe Condition
The engines may have compromised structural integrity and certificated performance capabilities due to potential defects or improper maintenance during overhaul at Jet Power, Inc.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove engines from service immediately. Overhaul engines per Pratt & Whitney overhaul manuals or submit records for FAA approval to return to service. Ensure compliance with specified manuals and provide required documentation for life-limited components, maintenance records, and test data.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 30 calendar days after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pratt & Whitney JT3D-3B and JT3D-7 engines with specific serial numbers listed in the AD, overhauled by Jet Power, Inc. (FAA Repair Station No. 705-70)
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.