AD 58-07-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 744 | Airworthiness Directives; VICKERS 700 Series Aircraft |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; VICKERS 700 Series Aircraft |
Unsafe Condition
Failure of the 1/2-inch diameter bolts securing the top inboard attachment fittings of the inner nacelles to the leading edge member at Station 96 could occur due to bending moments not being taken by the full shank diameter of the bolts.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the 1/2-inch diameter bolts (P/N 70103-4405 and 80203-2405) with Vickers Mod. D.2581 redesigned bolts and nuts. The modified bolt assemblies must be split pinned as per PTL 179, Issue 2.
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Compliance Time
before accumulation of 6,000 flight hours
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Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Viscount 704 and Viscount 745D aircraft, all serial numbers
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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