AD 76-24-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce Limited, Bristol Engines Division | Viper Mk. 601-22 | ROLLS-ROYCE (1971) LIMITED Models Bristol Viper Mk 601-22 Engines |
Unsafe Condition
Possible turbine disc damage
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the inner exhaust turbine cone assembly in accordance with Rolls-Royce Alert Service Bulletin No. 72-A69 dated May 1976 or an equivalent approved by the FAA.
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Compliance Time
within the next 150 hours time in service after the effective date of this AD
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Affected Aircraft
Rolls-Royce (1971) Limited Bristol Viper Mk 601-22 engines installed or held for installation on Hawker Siddeley/Beechcraft Hawker Model DH/BH-125 series airplanes
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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