As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A DAILY CHECK OF THE AIRCRAFT A GRINDING NOISE WAS DETECTED FROM THE TAIL ROTOR DRIVESHAFT COVER, AFTER AN INVESTIGATION THE GRINDING NOISE WAS FOUND TO BE COMING FROM THE 2 AFT TAIL ROTOR DRIVESHAFT HANGAR BEARINGS. THE BEARING PN: BB1B649616B, SN: N1899 AND N1828. THE BEARINGS WERE STAMPED (ITALY V) ON THE SIDE. THERE IS NO VISIBLE LOT NUMBER.