What was found
(CAN) TAIL ROTOR GEARBOX PITCH CHANGE SHAFT PRE-LOADING TO ONE SIDE WHEN PITCH CHANGE LINKS ARE TORQUED CAUSING VIBRATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) TAIL ROTOR GEARBOX PITCH CHANGE SHAFT PRE-LOADING TO ONE SIDE WHEN PITCH CHANGE LINKS ARE TORQUED CAUSING VIBRATION.