As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) RUDDER CONTROL SYSTEM FAULTY. NUMEROUS ITEMS IN THE CONTROL SYSTEM WERE REPLACED TO CORRECT THE PROBLEM. INVESTIGATION IS CONTINUING INTO THE REPLACED ITEMS. ITEMS REPLACED WERE DFDR PNO 2100-4043-00, RUDDER PCU PNO 65C37053-9, STANDBY RUDDERPCU PNO 1U1150-3 AND YAW DAMPER COUPLER PNO 4030952-906.