What was found
WHILE ON APPROACH, EXPERIENCED AN AVNX MAU 2A FAIL CAUTION MSG IN CONJUNCTION WITH AUTOBRAKE FAIL, STEER FAIL, BRAKE CONTROL FAULT & FMS 1 FAIL. FLIGHT DECLARED AN EMER INBOUND, FLIGHT LANDED SAFELY & WAS TOWED BACK INTO THE GATE. ON SHUTDOWN A LT & RT ELEVATOR FAIL MSG WAS RECEIVED. THE MAU 2A WAS RESET IAW FIM, THE FAULT MSG CLEARED & CONDITION WAS FOUND TO BE A TRANSITORY CONDITION OF THE NIC CARDS. ACFT OK FOR SERVICE.