As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) PROPELLER HUB IS A SUSPECT UNAPPROVED PART. INVESTIGATION FOUND THAT THE HUB SERIAL NUMBER IS NOT USED ON THIS TYPE OF AIRCRAFT. HUB FLANGE TYPE ALSO INCORRECT. FURTHER INVESTIGATION FOUND THAT THE ORIGINAL MODEL STAMPINGS HAD BEEN PREVIOUSLY REMOVED. PERSONNEL/MAINTENANCE ERROR. UNAPPROVED PART.