Propeller Hub Crack
After a flight the crew raised a snag for excessive L/H propeller vibration. Maintenance performed an inspection and found the propeller with a significant crack.
The propeller hub assembly was removed and replaced prior to its next flight.
Transport Canada Comments:
TCCA would like to advise all operators and owners that for any form of vibration, it is essential that the source is found and rectified prior to the next flight.
The propeller overhaul facility and the propeller manufacturer, Dowty UK, are carrying out further investigations.
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