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AD: Dowty Propellers

AD NUMBER: 2008-21-07R1

PRODUCT: Certain Dowty Propellers model R408/6-123-F/17 propellers.

ACTION: Final Rule

SUMMARY: The FAA is revising airworthiness directive (AD) 2008-21-07 for the product listed above. AD 2008-21-07 required initial and repetitive inspections of the blade bonded metallic leading edge (L/E) guards for correct bonding until they accumulate more than 1,200 flight hours (FH) time-in-service. This AD requires the same inspection and replacement requirements of AD 2008-21-07.

This AD also provides an optional terminating action to those requirements. This AD was prompted by updated service bulletins that identify terminating action to the requirements of AD 2008-21-07.

The FAA is issuing this AD to prevent the loss of the bonded metallic L/E guard of the propeller, which could result in damage to the propeller or to the airplane, or injury to personnel.

DATES: This AD is effective July 15, 2014.

FMI: AD

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