AD 68-01-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 744 | Airworthiness Directives; VICKERS Models 744, 745D, and 810 Series Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; VICKERS Models 744, 745D, and 810 Series Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 810 | Airworthiness Directives; VICKERS Models 744, 745D, and 810 Series Airplanes |
Unsafe Condition
Cracks and holes in the aileron control rod tubes and excessive wear causing reduced outside diameter below 1.11 inches due to improper roller assembly clearance in the guide assembly at wing station 387.
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Required Actions
Visually inspect the aileron control rod tubes for cracks and holes per BAC PTLs, check roller assembly clearance between .005 and .010 inches, remove and dye-penetrant inspect the tubes for cracks, measure outside diameter, and replace tubes with new parts if cracks/holes exist or diameter is below 1.11 inches before further flight.
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Compliance Time
Within specified intervals based on time in service: For airplanes with ≥12,500 hours at effective date, comply with (c) within next 250 hours and repeat every 500 hours; comply with (e) within next 2,750 hours and repeat every 3,000 hours. For airplanes with <12,500 hours, comply with (c) before 12,750 hours and repeat every 500 hours; comply with (e) before 15,250 hours and repeat every 3,000 hours.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Viscount Models 744, 745D, and 810 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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