As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH GEAR DOWN AND LOCKED BRAKES INDICATED LOCKED WHILE IN FLIGHT. BRAKE ACCUMULATOR PRESS INDICATED NORMAL IN ALL THREE POSITIONS. R & R PROX BOX PER TSM FAULT CODE INDICATES FAULTY CHANNEL IN BOX (BOX 31 FAULT) OPS CHECKED NORMAL PER AIRBUS M/M 32-31-71-4, CHANGED BRAKE CONTROL UNIT AS PROCAUTIONARY PER AIRBUS M/M 32-42-72-4.