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Tue, Apr 23, 2019

AD: Rolls-Royce plc Turbofan Engines

AD NUMBER: 2019-07-09

PRODUCT: Certain Rolls-Royce plc (RR) Trent 1000-A2, Trent 1000-AE2, Trent 1000-C2, Trent 1000-CE2, Trent 1000-D2, Trent 1000-E2, Trent 1000-G2, Trent 1000-H2, Trent 1000-J2, Trent 1000-K2, and Trent 1000-L2 model turbofan engines.

ACTION: Final Rule.

SUMMARY: This AD was prompted by reports of intermediate-pressure compressor (IPC) rotor seal failures.

This AD requires initial and repetitive on-wing borescope inspections (BSIs) of affected IPC rotor seals and removing any cracked parts from service.

DATES: This AD is effective May 28, 2019.

COST: The FAA estimates that this AD affects 28 engines installed on airplanes of U.S. registry. Operators may incur the following costs in order to comply with this AD:

  • Inspect IPC rotor seal: 7 work-hours × $85 per hour = $595 per engine.
  • Replace IPC rotor seal: 8 work-hours × $85 per hour = $680 per engine. Parts: $81,992 Cost per engine: $82,672.
FMI: AD

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