As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) LANDING GEAR SELECTOR VALVE ACTUATOR (MOTOR) WAS DEFECTIVE - THE ACTUATOR WAS CHANGED AND GROUND CHECKS CARRIED OUT - ON 'DOWN' SELECTION THE POWER TRANSFER UNIT RAN CONTINUOUSLY - THE FAULT WAS TRACED TO THE LANDING GEAR SELECTOR VALVE - THE VALVE WAS REPLACED - LANDING GEAR SYSTEM CHECKED SERVICEABLE