AD 61-08-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 744 | Airworthiness Directives; VICKERS Models 744 and 745D Series Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; VICKERS Models 744 and 745D Series Airplanes |
Unsafe Condition
Failure of bolt P/N 80216-627 or P/N 70116-9 forming the forward attachment of the outboard diagonal strut on the inboard engine nacelle structure due to cracks at the junction of the head and shank and thread undercut areas.
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Required Actions
Inspect bolts P/N 80216-627 or P/N 70116-9 with 4,000 or more hours' time in service for cracks via magnetic particle inspection or FAA-approved equivalent method by the next 600 landings. Replace cracked bolts prior to further flight. Comply with British Aircraft Corporation PTL 228 Issue 2 when inspecting.
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Compliance Time
Not later than the next 600 landings for inspection; replace cracked bolts prior to further flight.
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Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Viscount Models 744 and 745D Series airplanes.
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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