As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) PROPELLER BLADE NUT SEALS PINCHED GIVING INEFFECTIVE SEALING -SEALING WAS ACHIEVED BY THE USE OF SILASTIC SEALANT BETWEEN THE BLADE NUT THREADS AND HUB AND LOCK RING ASSEMBLY - INCORRECT ASSEMBLY - PERSONNEL/MAINTENANCE ERROR - PROPELLER HAD BEEN MODIFIED TO OIL FILLED CONFIGURATION