AD 63-11-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Kelowna Flightcraft R & D Ltd. | 340 | Airworthiness Directives; GENERAL DYNAMICS/CONVAIR Models 340 and 440 Aircraft |
| aircraft | Kelowna Flightcraft R & D Ltd. | 440 | Airworthiness Directives; GENERAL DYNAMICS/CONVAIR Models 340 and 440 Aircraft |
Unsafe Condition
Cracking in the fillet relief diameter and complete failures of the Menasco main landing gear torque arm apex bolt (P/N 528076) with a 0.67 inch fillet relief diameter.
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Required Actions
Inspect the bolt using dye penetrant or FAA-approved equivalent method within 250 hours' time in service after the effective date, and every 550 hours thereafter. Replace cracked bolts with uncracked Menasco P/N 528076 before further flight. Discontinue inspections after installing redesigned bolt (P/N 528076 with 0.79 inch fillet relief and 'R' stamp).
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Compliance Time
Within the next 250 hours' time in service after the effective date unless already accomplished within the last 300 hours' time in service, and thereafter at periods not to exceed 550 hours' time in service from the last inspection.
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Affected Aircraft
GENERAL DYNAMICS/CONVAIR Models 340 and 440 aircraft incorporating Menasco main landing gear torque arm apex bolt (P/N 528076) with 0.67 inch fillet relief diameter.
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
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