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Wed, Feb 19, 2003

AD (Australia): Hartzell

AD/PHZL/76 HC-C2YR-4CF Propeller Life Reduction 4/2003 DM
Applicability: Hartzell Propeller Inc. model HC-C2YR-4CF propellers with propeller hubs part number (P/N) D-6522-1 or D-2201-16 and propeller blades P/N FC8477A-4, installed on Sky International Inc. (Pitts) S-2S and S-2B aircraft with Textron Lycoming model AEIO-540-D4A5 engines.
Note 1: FAA AD 2003-03-20 Amdt 39 -13045 refers.
This Airworthiness Directive becomes effective on 11 March 2003.
Background: A re-evaluation of the propeller service life was conducted after several engine failures. It was determined that the propeller service life needed to be reduced to provide a safe service life for the propeller. Exceeding the service life of the propeller could lead to failure of the hubs or blades resulting in subsequent loss of aeroplane control.

FMI: www.casa.gov.au/avreg/aircraft/ad/ADfiles/Equip/phzl/phzl-076.pdf

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