As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) A FAILURE OF THE TRIM ACTUATOR, PN C3CF290-9, CAUSED A RUNAWAY TRIM CONDITION DURING THE ACFT INITIAL CLIMB. ADDITIONAL INFORMATION TO BE PROVIDED FOLLOWING INSPECTION OF THE ACFT AND PART INVOLVED. THE TRIM ACTUATOR HAD NOT BEEN GEARED ADEQUATELY AND THE BEARINGS FAILED.