AD 80-02-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce Limited, Bristol Engines Division | Viper Mk. 601-22 | ROLLS ROYCE LIMITED Model Viper MK 601-22 Engines |
Unsafe Condition
Failure of the flexible fuel hose assembly, Rolls Royce P/N DX 33-180-300.
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Required Actions
Remove the flexible fuel hose assembly (P/N DX 33-180-300) and install a new flexible fuel hose assembly (P/N V 103813) in accordance with Rolls Royce Service Bulletin No. 73-A17 dated June 1978 or an equivalent approved by the Chief, Aircraft Certification Staff, AEU-100.
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Compliance Time
Within 250 hours engine time in service after the effective date of this AD
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Affected Aircraft
Rolls-Royce Limited, Bristol Engines Division Viper Mk. 601-22 engines installed in, but not limited to, Hawker Siddeley HS 125 series 600A and Beechcraft Hawker Siddeley BH 125 series 600A aircraft.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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