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Fri, Nov 30, 2012

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

AD NUMBER: 2012-24-01

PRODUCT: Certain serial number (S/N) Rolls-Royce Deutschland Ltd & Co KG (RRD) TAY 620-15 turbofan engines.
SUBJECT: Airworthiness Directive 2012-24-01
ACTION: Final Rule

SUMMARY: This AD requires initial and repetitive general inspections and ultrasonic inspections (UI) of low-pressure compressor (LPC) fan blades for cracks. If any fan blade is found cracked, this AD requires replacement of the LPC fan blade set and the LPC fan disc. This AD was prompted by a report of an LPC fan blade separation. The FAA is issuing this AD to detect cracks in the LPC fan blades, which could lead to uncontained failure of the LPC fan blades and LPC fan disc, and damage to the airplane.

DATES: This AD becomes effective December 14, 2012.

FMI: AD

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