What was found
(CAN) MISALIGNMENT OF DRIVESHAFT AND TAIL ROTOR GEARBOX CAUSING INPUT GEAR PREMATURE WEAR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) MISALIGNMENT OF DRIVESHAFT AND TAIL ROTOR GEARBOX CAUSING INPUT GEAR PREMATURE WEAR.