AD 2013-26-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc | Airworthiness Directives; Rolls-Royce plc Turbofan Engines |
Unsafe Condition
Failure of certain high-pressure (HP) compressor rotor stage 1 and stage 2 discs due to operation beyond reduced cyclic life limits, which could lead to uncontained engine damage and damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Reduce the cyclic life limit for affected HP compressor rotor stage 1 and stage 2 discs to 7,390 flight cycles. Remove each affected disc from service before it exceeds 7,390 flight cycles. Do not return to service any engine with a disc installed that has more than 7,390 flight cycles.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 30 days after the effective date of this AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
All Rolls-Royce plc RB211-524G2-19, RB211-524G3-19, RB211-524H-36, and RB211-524H2-19 turbofan engines with high-pressure (HP) compressor rotor stage 1 and stage 2 discs, part number LK70608, LK76030, LK86621, UL19877, UL19878, UL19879, or UL24023, installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.