As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AIRCRAFT RECEIVED ANVX MAU 2B FAULT MESSAGE. DUE TO THIS SYSTEM AFFECTING THE BRAKES THE CREW DECLARED A PAN PAN TO HAVE FIRE TRUCKS TO DO A BRAKE INSPECTION ON ARRIVAL. FLIGHT TAXIED INTO GATE SHORTLY AFTER LANDING. RESOLUTION REF FIM 45-45-00-810-942-A. INSTALLED NIC PROC4 MAU2. UNABLE TO LOAD. SWAPPED NIC PROC 3&4 MAU2.REF AMM 31-41-04/400-801-A. FAULT CLEARED. OPS CHK SERVICEABLE. (TC# 20190510002)