AD 2013-08-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Kelowna | Flightcraft R & D Ltd. | Airworthiness Directives; Kelowna Flightcraft R & D Ltd. Airplanes |
Unsafe Condition
Fatigue cracking of the lower skin of the wings around the inboard side of the wing station (WS) 6 and 7 access panel doubler fingers and between stringers 5 and 11, as well as around stringers 6, 8, and 10, could result in reduced structural integrity of the wings.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the lower skin of the wings for cracking around the inboard side of the WS 6 and 7 access panel doubler fingers and between stringers 5 and 11; inspect the lower skin of the wings for cracking around stringers 6, 8, and 10, and around the WS 6 and WS 7 access panel doubler fingers; repair any detected cracking as necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 1,000 flight hours
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Tracor (Convair) Model 340 and 440 airplanes and Military Model C-131B, C-131D, C-131E, and C131F/R4Y-1 airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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