AD 2013-19-18
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc | Airworthiness Directives; Rolls-Royce plc Turbofan Engines |
Unsafe Condition
Reduction in cyclic life of the low pressure turbine (LPT) stage 2 discs due to changes in thermal profile and stresses, which could lead to disc failure and uncontained engine damage.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove affected LPT stage 2 discs using a drawdown plan. Assign reduced maximum approved lives within 30 days of the effective date. Remove LPT stage 2 discs from service before exceeding the assigned part life.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 30 days of the effective date.
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Affected Aircraft
Rolls-Royce plc RB211-535E4-37, RB211-535E4-B-37, RB211-535E4-C-37, and RB211-535E4-B-75 turbofan engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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