AD 63-27-05
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
Fatigue failures have occurred in the fuselage leading edge frame and associated structure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct initial visual inspections for cracks in fuselage frame joints, floor beams, and joint plates within specified landing intervals. Repair or reinforce cracked frames per approved modifications (e.g., Mod D.3059 for 744/745D, Mod FG.1928 for 810) before further flight if cracks exceed specified limits. Conduct repetitive inspections every 700 landings or 12,000 flight hours, and inspect top spigot fittings and bolts for cracks/damage within intervals based on landing counts, replacing unserviceable parts. Modified fittings must be used in pairs.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 200 landings after the effective date of this AD on aircraft which have attained 8,000 landings, unless already accomplished within the preceding 500 landings
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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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