As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT RECEIVED LOST NR 1 BRAKE SYSTEM ECAM MSG. PRECAUTIONARY LANDING. AIRCRAFT TOWED TO GATE & THE PROBLEM WAS ADDRESSED. ON SUBSEQUENT FLIGHT THE SAME SCENARIO OCCURRED. WIRING HARNESS FAILED DUE TO SHORT TO GROUND FROM FRETTING. REPLACED WIRING HARNESS. OPERATIONS CHECK NORMAL.