11 March 2018 – 12 April 2018

1526

HAMILTON STANDARD 14SF-23–ATA 6123 PROPELLER FEATHERING/REVERSING–PROPELLER–Uncommanded Feather. DR 611851662
On take-off, power stabilised at 92% with auto feather armed. At approximately 75 knots, #2 engine torque increased to approximately 106% and propeller made noise like it was trying to feather. Take-off aborted, and indications returned to normal. After initial FAST data review, event believed to be uncommanded auto feather event. Engineering currently investigating. Engine OEM has been notified and is assisting with the investigation. More information to follow.

HARTZELL PROPELLERS HC-E4N-5A–ATA 6111 PROPELLER BLADE SECTION–PROPELLER–OUT OF TRACK. DR 611851671
During ground inspection, RH propeller was noticed to be out of track by approximately 3/4 of an inch. No marks or evidence of cause of the damage other than the blade being bent could be identified. Propeller is being sent for overhaul. Moreover, engine has been removed for level 1 inspection.

MCCAULEY PROPELLERS D3A34C404–ATA 6122 PROPELLER GOVERNOR–GOVERNOR–FAILED. DR 611851678
Propeller fails to cycle. Initially suspected to be governor internal bearing failure, confirmed after strip examination. Moreover, metal contamination found in engine oil filter. Rectifications planned.

DOWTY-ROTOL LIMITED R390/4-123-F/27–ATA 6114 PROPELLER HUB SECTION–HUB–CRACKED. DR 611851687
NDT inspection carried out on propeller hub rear half wall IAW SF340-61-95. Propeller found U/S. Replaced and fitted with a serviceable propeller assembly IAW AMM 61-10-05-XX.

HARTZELL PROPELLERS HC-C2YR-1BF/8475R–ATA 6122 PROPELLER GOVERNOR–BEARING–DAMAGED. DR 611851693
Governor disassembled and inspected for bearing condition. Idler gear bearing roller cage was found with wear at one end.

MCCAULEY PROPELLERS D3A32C90/82NC-2–ATA 6122 PROPELLER GOVERNOR–BEARING–DAMAGED. DR 611851741
Governor disassembled and inspected for bearing condition. Idler gear bearing roller cage found with wear on one end.

MCCAULEY PROPELLERS D3A32C88/82NC-2–ATA 6122 PROPELLER GOVERNOR–BEARING–DAMAGED. DR 611851742
Governor disassembled and inspected for bearing condition. Idler gear bearing roller cage found with wear on one end.

HARTZELL PROPELLERS PHC-J3YF-1RF/7694–ATA 6122 PROPELLER GOVERNOR–BEARING–DAMAGED. DR 611851743
Governor disassembled and inspected for bearing condition. Idler gear bearing roller cage found with wear on one end.