As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE MAINTENANCE TEAM FOUND THE RIGHT ROLL TRIM INOP DURING POST FLIGHT CHECKS. IT WAS DETERMINED THAT THE RIGHT ROLL TRIM ACTUATOR WAS DEFECTIVE. THE ACTUATOR WAS REMOVED AND REPLACED WITH AN OVERHAULED UNIT. OPS CHECKS WERE SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE