AD 2000-08-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc Tay 650-15 Series | Airworthiness Directives; Rolls-Royce plc Tay 650-15 Series Turbofan Engines |
Unsafe Condition
Cracks in the stage 1 high pressure turbine (HPT) and stage 1 low pressure turbine (LPT) disks could initiate and propagate at a faster rate than forecast under the flight plan profiles originally published at the time the engine design was certified, leading to turbine disk failure and an uncontained engine failure.
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Required Actions
Remove from service stage 1 HPT disks (P/Ns JR32013 and JR33838) and stage 1 LPT disks (P/N JR32318A) operated under flight plan profiles C and D before reaching specified cyclic life limits (18,000 CSN for profile C and 14,250 CSN for profile D), and replace with serviceable parts in accordance with Rolls-Royce Service Bulletin TAY-72-1479.
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Compliance Time
Before reaching the specified cyclic life limits for each flight plan profile.
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Affected Aircraft
Rolls-Royce plc Tay 650-15 series turbofan engines with stage 1 HPT disks (P/Ns JR32013 and JR33838) and stage 1 LPT disks (P/N JR32318A), installed on but not limited to Fokker F.28 Mark 0100 (F100) series aircraft.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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