AD 92-09-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 744 | Airworthiness Directives; BRITISH AEROSPACE All Viscount Model 744, 745D, and 810 Series Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; BRITISH AEROSPACE All Viscount Model 744, 745D, and 810 Series Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 810 | Airworthiness Directives; BRITISH AEROSPACE All Viscount Model 744, 745D, and 810 Series Airplanes |
Unsafe Condition
Failure of one or more of the landing gears due to obstructions, burrs, damaged plating, or damaged bores in the shuttle valve elbow connections, shuttle, and retraction jack assemblies.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove and inspect shuttle valve elbow connections (part numbers 70050-69, 74450-117) and shuttle (part number A5133-7). Ream and chamfer the elbow bore, clean, and remove obstructions. Inspect shuttle plating for damage and replace if damaged. Inspect retraction jack bores, remove obstructions, and repair or replace parts as needed. Reassemble, perform bench checks, and ensure proper operation. Reinstall jacks, bleed hydraulic system, and perform landing gear checks.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 500 hours time in-service or within 6 months after the effective date of this AD, whichever occurs first
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
All Viscount Model 744, 745D, and 810 series airplanes, certificated in any category.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.