As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RUDDER TRIM INOPERATIVE. TRIED NEW RUDDER TRIM CONTROL PANEL, NO HELP. TRIM INDICATOR AND BOTH EICAS INDICATIONS REFLECT SAME.VERIFIED VOLTAGE INTO AND THRU CONTROL PANEL.RUDDER MOVEMENT NORMAL WITH PEDALS. ELECTRIC TRIM TOTALLY INOP. REPLACED TRIM ACTUATOR PER MM. OPS NORMAL.