As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AP RWD MESSAGE. TRANSFERED TO MANUAL FLIGHT. ON FLIGHT CONTROL SYNOPTIC PAGE, ONLY THE LEFT AILERON WAS DEFLECTING. THERE WAS THE FEELING OF A BLOCKAGE. AFTER PILOT TOOK OVER, HEAVY JERK DURING A LEFT TURN AND NORMAL FLIGHT AFTER. AILERON MOVES AGAIN.