As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) (HEAVY MAINTENANCE) SUPPLIED ACFT ACCESSORIES (OVERHAUL FACILITY) WITH PARTS FOR AN ELEVATOR TRIM ACTUATOR. TRIM ACTUATOR ASSEMBLED AND CERTIFIED. INSTALLED THE ELEVATOR TRIM ACTUATOR AND FOUND ON THE FUNCTIONAL CHECK THAT THE ELEVATOR TRIM ACTUATOR HAD INCORRECT TRAVEL. THE ELEVATOR TRIM ACTUATOR WAS SENT BACK FOR WARRANTY. WARRANTY DENIED. CONFIRMED DEFECT WITH DRIVE NUT.