AD 68-15-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 744 | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Models 744, 745D and 810 Series Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Models 744, 745D and 810 Series Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 810 | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Models 744, 745D and 810 Series Airplanes |
Unsafe Condition
Cracks in the elevator root and ribs P/Ns 60920-65, 60920-63, 72420-11 for Models 744 and 745D, and 81020 Shts. 81 and 83 for Model 810.
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Required Actions
Inspect the root end ribs for cracks visually in accordance with specified technical leaflets. Repair/reinforce cracks within 10 landings if detected. Incorporate repair/reinforcement within 3,000 landings if not done earlier. Repeat inspections at intervals not exceeding 475 or 3,000 landings depending on repair status.
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Compliance Time
Within the next 150 landings after the effective date (July 23, 1968) for airplanes with 7850+ landings; prior to 8000 landings for those with less. Subsequent inspections at intervals not exceeding 475 landings. Repair/reinforcement must be done within 10 landings if cracks found or within 3,000 landings otherwise.
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Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Viscount Models 744, 745D, and 810 Series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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