AD 60-07-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; VICKERS Model 745D Serial Numbers |
Unsafe Condition
Corrosion in skin to wing spar boom attachment holes can lead to failure of skin to spar attachment bolts.
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Required Actions
Install oversized S.80 material cadmium plated bolts (1/32-inch or 1/16-inch oversize) in inner and outer top booms per Vickers Modification Bulletin No. D.2081 part (e). Conduct sampling inspection for corrosion on five aircraft sets if extending compliance to 13,000 hours' time in service. Inspect spar bolt holes for corrosion when bolts are removed.
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Compliance Time
Within 10,000 hours' time in service or five calendar years from the date of aircraft manufacture, whichever occurs first. If sampling inspection is conducted, compliance may be extended to 13,000 hours' time in service.
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Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Viscount 745D serial numbers 103-107, 109-134, 136-139, 183, 184, 185, 191, 198-217, 231-234, 285, 334.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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