As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) PROPELLER RETENTION NUT 'O' RING SEALS INCORRECT - PNO A1633-52 SEALS USED IN OIL FILLED HUBS FITTED INSTEAD OF CORRECT PNOA1633-38 SEALS - INCORRECT SEALS BIND ON THE FERRULE CAUSING EXCESSIVE FRICTION DURING OPERATION AND PREVENTING FEATHERING -UNAPPROVED PART - PERSONNEL/MAINTENANCE ERROR