As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PROPELLER WAS ASSEMBLED USING U 8833 N-4 BLADES THAT ARE NOT ELIGIBLE FOR INSTALLATION ON HCA2XF-1 HUB. STEEL HUB TUBES CAUSED EXTREME WEAR ON THE INTERNAL BLADE BORE BECAUSE THE INSTALLING AGENCY REMOVED THE BLADE BOXINGS AND BEARINGS TO FACILITATE INSTALLATION OF BLADES ON HUB (X)