17 May to 13 July 2017

1198

HARTZELL PROPELLERS PHC-C3YF-2UF–ATA 6114 PROPELLER HUB SECTION–HUB–CRACKED. DR 611750308

Hubs were found to have cracks in the mounting flange of the mounting bores. Operator was unable to determine trigger factors.

MCCAULEY PROPELLERS 3AF32C93–ATA 6120 PROPELLER CONTROLLING SYSTEM–CABLE–JAMMED. DR 611750374

Pilot reported RH prop lever jammed at 2600 RPM when moving from climb to cruise power. Defect traced to stiff propeller pitch control cable. Cable lubricated. System tested and found satisfactory.

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