As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON SHORT FINAL WITH Y.O. OFF, RUDDER TRIM MOVED FULL SCALE LEFT. UNABLE TO USE TRIM SWITCHES TO RETURN TO CENTER. UPON SHUT DOWN RUDDER TRIM FULL SCALE RIGHT UNABLE TO USE TRIM SWITCHES TO RETURN TO CENTER AFTER DE PLANNING RUDDER SWITCHES HAD AN UNCOMMANDED RUDDER TRIM ON ARRIVAL INTO ANCHORAGE WORKED AGAIN