AD 77-15-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 744 | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D, and 810 Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D, and 810 Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 810 | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D, and 810 Airplanes |
Unsafe Condition
Corrosion of the aileron control rods could lead to possible aileron failure.
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Required Actions
Inspect aileron control rods for corrosion within 30 days after the effective date or 18 months from last overhaul, whichever is later, and every 6 months thereafter. If corrosion is found, replace corroded parts before further flight. Conduct radiographic and visual inspections within 2 years after the effective date or at next overhaul, whichever is sooner, and rework or replace parts as needed.
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Compliance Time
Within the next 30 days after the effective date of this AD or 18 months from the date of the last overhaul of the specified aileron control rods, whichever occurs later, and thereafter at intervals not to exceed 6 months from the last inspection. Additionally, within the next 2 years after the effective date of this AD or at the next aileron control rod overhaul, whichever occurs sooner.
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Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Viscount Model 744, 745D, and 810 airplanes with aileron control rods P/N 60903, sheets 185 and 187 and P/N 70103, sheets 329, 445, 447, 449, 451, 453, 455, 457, and 459.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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