As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT'S REPORT - WHILE ADJUSTING SNOW COVER ON THRUSTER CAN, PILOT HEAR A LOUD CRACK AS IF SOMETHING INSIDE THE TAILBOOM BROKE. MECHANIC DISASSEMBLED THRUSTER AND FOUND A BRACKET CRACKED AROUND THE 'PITCH CHANGE CABLE MOUNT POINT'. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.