As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW REPORTED LT ROLL TRIM PANEL INTERMITTENTLY NOT OPERATING. CONFIRMED PILOT SQUAWK, FOUND ACTUATOR INTERMITTENTLY NOT RUNNING WITH EITHER DUAL OR SINGLE SOURCE SELECTED. VERIFIED POWER INPUTS TO ACTUATOR CONNECTOR NORMAL. REPLACED ACTUATOR WITH OVERHAULED ACTUATOR, OPERATIONS NORMAL, NO FAULTS NOTED WITH ROLL TRIM OPERATION. SUSPECT ACTUATOR HAS INTERNAL INTERMITTENT ELECTRICAL CIRCUIT OR COMPONENT FAILURE. FAILED ACTUATOR PN: 45AS61014-107