As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) VIBRATION, COULDN'T STROBE OUT (1.2 IPS). CHECKED 1/2 SHELL BEARINGS AND NOTICED 2 BEARINGS TORN. REMOVED TAIL ROTOR ASSY AND CHANGED 4 BEARINGS, 1 SET PN 355A09103601 AND TWO PN 350A33215300 DUE TO WEAR. TAIL ROTOR SPAR INSPECTED AND NO DAMAGE FOUND. TAIL ROTOR REINSTALLED AND BALANCED TO BELOW 0.1 IPS.