AD 69-01-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 744 | Airworthiness Directives; VICKERS VISCOUNT Models 744, 745D, and 810 Series Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; VICKERS VISCOUNT Models 744, 745D, and 810 Series Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 810 | Airworthiness Directives; VICKERS VISCOUNT Models 744, 745D, and 810 Series Airplanes |
Unsafe Condition
Fire hazard due to rubbing of the rotor shaft on the magnesium housing in the event of a collapsed bearing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install liner Rotax P/N N.141715/1 in the main housing assembly in accordance with Rotax Modification No. 3599B, dated May 17, 1968, or later ARB approved issue or an equivalent approved by the Chief, Aircraft Certification Staff, Europe, Africa and Middle East Region.
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Compliance Time
within the next 1250 hours' time in service after the effective date of this AD
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Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Viscount 744, Viscount 745D, and Viscount 810 Series Airplanes incorporating Rotax Alternators N.0501, N.0502, N.0503, N.0505, N.0506, N.0507, N.0509, N.0510, and N.0511
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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