AD 58-07-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 744 | Airworthiness Directives; VICKERS Model 700 Series Aircraft |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; VICKERS Model 700 Series Aircraft |
Unsafe Condition
Heavy-duty wing root terminals with aluminum cables may overheat due to poor electrical contact caused by relaxation of the connection and spreading/indentation of the aluminum cable lug from repetitive torque loading.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect wing root connections for looseness and overheating within 135 flying hours. Dismantle and renew overheated components, retighten loose connections after inspecting lug cleanliness/flatness, replace lugs/cables with burning/damage, and install washer 80236 Part 3043 within 800 flying hours.
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Compliance Time
within the next 135 flying hours
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Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Viscount 744 and Viscount 745D aircraft fitted with Heavy-Duty Wing Root Terminals and Aluminum Cables, incorporating Modification D.1255.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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