AD 72-14-03
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
Failures of flap chains due to possible displacement of link pins through loss of retention washers on the blind side adjacent to sliders.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect flap chains (P/N 72403 sheets 171-185 and 431-439 odd for models 744/745D; P/N 80203 sheets 85, 87, 91-97, 703-709 odd for model 810) for link pin security and retention washers. Replace or repair unserviceable chains by replacing washers and securing pins via peening if issues found.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 25 landings after the effective date of this AD, unless already accomplished within the last 75 landings
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Viscount Model 744, 745D, and 810 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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