As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) - UNABLE TO BALANCE TAIL ROTOR ASSEMBLY. REMOVED TAIL ROTOR ASSEMBLY FOR INVESTIGATION. REMOVED HUB ASSEMBLY & BEARING FROM TAIL ROTOR ASSEMBLY, TO MOVE TAIL ROTOR TIP UP & DOWN & HEAR ABNORMAL NOISE. CLICKING NOISE WAS HEARD. RE: DGAC AD 84-064-037(B)R3 APPLIES.