AD 85-12-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 744 | Airworthiness Directives; BRITISH AEROSPACE VISCOUNT Model 700 and 800 Series Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; BRITISH AEROSPACE VISCOUNT Model 700 and 800 Series Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 810 | Airworthiness Directives; BRITISH AEROSPACE VISCOUNT Model 700 and 800 Series Airplanes |
Unsafe Condition
Failure of certain components in the main undercarriage and wing trailing edge member spar and liner assemblies.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect, modify, and replace in accordance with specified technical leaflets and modifications. Repeat inspections at intervals not exceeding 2,000 landings or 12 months, whichever is sooner.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to the accumulation of specified landings (3,000 for Model 800 pre-Modification F.1323 Standard; 27,500 for Models 700 and 800). For those exceeding thresholds (2,750 or 27,250 landings), actions must be done within 250 landings or 2 months after the AD's effective date, whichever is later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Viscount 744, Viscount 745D, Viscount 810 models, including Model 700 and 800 series with specific brake units or requiring spar/liner inspections as outlined.
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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