AD 69-03-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 744 | Airworthiness Directives; VICKERS VISCOUNT Model 744 Airplanes |
Unsafe Condition
Failure of inner wing lower spar booms due to fatigue cracking could result in loss of structural integrity of the wing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace inner wing lower spar booms with new booms of the same part number before further flight if they have accumulated 7,000 or more landings. For those with less than 7,000 landings, replacement is required before accumulating 7,000 landings. All newly installed booms must also be replaced before 7,000 landings.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight for airplanes with 7,000 or more landings on the effective date. For others, before accumulation of 7,000 landings. Newly installed booms must be replaced before 7,000 landings.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Viscount 744 airplanes with inner wing lower spar booms.
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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