As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) BLADE RETAINING BALL BEARING FOUND DAMAGED DURING BLADE REMOVAL. PIECES OF THE BALL BEARING WERE FOUND INSIDE THE HUB AFTER FURTHER INVESTIGATION. THE 2 ADJOINING BEARINGS WERE FOUND DISCOLORED. NO OTHER DAMAGE WAS FOUND ON THE BLADE RACE OR HUB RACE.