As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON PRE-FLIGHT, EXCESSIVE AXIAL PLAY BETWEEN STATIONARY AND ROTATING PARTS OF THE TAIL ROTOR SPIDER ASSY. ON DISASSEMBLY OF THE SPIDER, 'GRAPHOIL' COATING THAT GOES BETWEEN THE INNER RACE OF THE BEARING AND THE ROTATING SPIDER WAS SOFT AND DEGRADED WHICH ALLOWED THE INNER RACE TO MOVE ON THE SHAFT.