AD 48-51-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Kelowna Flightcraft R & D Ltd. | 240 Series | CONVAIR Model 240 Aircraft |
Unsafe Condition
Fatigue cracks in horizontal tail surfaces due to tail vibrations induced by engines and/or propellers at certain r.p.m.'s, leading to hazardous conditions.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Daily visual inspections of horizontal stabilizer skin, rear spar, hinge brackets, elevator components, tab components, and balance weights. Inspect elevator tab hinge pins, bushings, and bearings every 50 hours until close tolerance bolts and bushings are installed per CVAC SB 240-205. Repair or replace failed parts before next flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Daily inspections and 50-hour intervals as specified.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
All Convair Model 240 Aircraft.
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.