AD 98-23-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 744 | Airworthiness Directives; British Aerospace Model Viscount 744, 745, 745D, and 810 Series Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; British Aerospace Model Viscount 744, 745, 745D, and 810 Series Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 810 | Airworthiness Directives; British Aerospace Model Viscount 744, 745, 745D, and 810 Series Airplanes |
Unsafe Condition
Cracking of the eye end fittings of the outboard engine lower support could result in reduced structural integrity of the engine nacelle support structures.
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Required Actions
Perform an eddy current inspection to detect cracking or corrosion of the eye end fittings of the outboard engine lower support or the bore of the taper pin holes, and repair if necessary. Repeat inspections at intervals not exceeding 900 landings.
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Compliance Time
Within 3 months after the effective date of this AD for Model Viscount 744, 745, and 745D series airplanes; within 900 landings after the last inspection performed in accordance with PTL 197, Issue 2, or within 3 months after the effective date of this AD, whichever occurs later, for Model Viscount 810 series airplanes.
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Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Model Viscount 744, 745, 745D, and 810 series airplanes on which British Aerospace Modification D3227 (for Viscount 744/745/745D) or FG 2103 (for Viscount 810) has not been accomplished.
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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