As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FLIGHT CREW REPORTED ' STAB CHANNEL NR 1 FAIL' MESSAGE DURING CRUISE. RESET OK BUT FAIL MESSAGE AGAIN DURING MANUAL TRIM. TROUBLE SHOOTING DISCOVERED MOTOR ON NR 1 HORIZONTAL STAB TRIMACTUATOR HAD FAILED. TRIM UNIT AND MOTOR CONTROL UNIT WERE ALSO REPLACED