As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPTAIN REPORTED THAT AILERON TRIM FAILED AND THE SELECTED RATE WAS OVERSHOOT. AIRCRAFT WAS SENT TO THE HANGAR AND DURING OVERNIGHT CHECK, THE CONTROL PANEL SWITCH OPERATION AND CONNECTOR ACTUATOR VOLTAGE WERE VERIFIED, DETERMINING THAT THE ACTUATOR NEEDS TO BE REPLACED IAW MM 27-11-11 AND FIM 27-11. TASK 814 WAS PERFORMED, TESTED CORRECT.