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Wed, Mar 27, 2013

AD: Rolls-Royce Deutschland Ltd & Co KG Turbofan Engines

AD NUMBER: AD 2013-06-01

PRODUCT: Certain Rolls-Royce Deutschland Ltd & Co KG (RRD) models Tay 620-15 and Tay 650-15 turbofan engines.
SUBJECT: Airworthiness Directive AD 2013-06-01
ACTION: Final Rule

SUMMARY:  This AD was prompted by RRD recalculating the Declared Safe Cyclic Life (DSCL) for certain low-pressure compressor (LPC) rotor disc assemblies operating to the Plan D Flight Mission. This AD requires removing the affected LPC rotor disc assemblies at a new lower recalculated DSCL.

The FAA is issuing this AD to prevent failure of the LPC rotor disc assembly,  uncontained engine failure, and damage to the airplane.

DATES: This AD becomes effective April 24, 2013.

FMI: AD

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