As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED ON APPROACH, RECEIVED A RT AND LT BRAKE FAULT MESSAGE ON EICAS UPON GEAR EXTENSION. ABORTED APPROACH AND DECLARED AN EMERGENCY. LANDED AIRCRAFT WITHOUT INCIDENT AND TAXIED TO GATE. MAINTENANCE WAS DISPATCHED TO AIRCRAFT, TROUBLESHOT AND REMOVED AND REPLACED NR 1 BRAKE CONTROL MODULE SYSTEM. OPERATIONAL CHECK GOOD, AIRCRAFT WAS RETURNED TO SERVICE.