AD 2003-17-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc | Airworthiness Directives; Rolls-Royce plc. RB211-535 Turbofan Engines |
Unsafe Condition
LP turbine stage 2 disc failure, which could result in an uncontained engine failure and possible loss of the airplane.
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Required Actions
Change the RR Time Limits Manual cyclic limits for LP turbine stage 2 discs as specified in Table 1. Remove the LP turbine stage 2 disc from service using the CSN and Action times listed in Table 2, depending on the engine's CSN and the effective date of this AD.
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Compliance Time
Within the compliance times specified in Table 2, unless the actions have already been done.
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Affected Aircraft
Rolls-Royce plc. models RB211-535E4-37, RB211-535E4-B-37, and RB211-535E4-B-75 turbofan engines, with low pressure (LP) turbine stage 2 discs part numbers UL11508, UL17141, UL18947, UL29029, and UL37352 installed. These engines are installed on, but not limited to, Boeing 757 and Tupolev Tu204 airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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