17 January – 25 March 2014

1640

Hamilton Standard 14SF23 Propeller feathering system suspect faulty. SDR 510018435
Unscheduled propeller feathering during take-off. Suspect faulty autofeather system. Investigation continuing.

Hartzell HCD4N2A Propeller hub worn. SDR 510018655
During investigation of another suspected defect, the propeller hub rear mounting flange was found to be severely fretted. Suspect caused by under-torque. P/No: D4893. TSN: 51 hours

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