As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON TAKEOFF THE TRIM CONTROLS COMPLETELY FAILED ON CA SIDE AND ACFT WOULD NOT AUTO TRIM NOSE UP OR NOSE DOWN ON ITS OWN REGUARDLESS OF THE AUTOPILOT BEING ENGAGED OR NOT. F/O SIDE TRIM WORKED AND WOULD OVERRIDE BUT WHEN YOU LET GO TRIM BEGAN AGAIN. CA SIDE COULD TRIM NOSE UP ONLY AT FL290 THEN FAILED AGAIN IN DESCENT.