As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ECAM HOT BRAKES, RT BRAKES AT 480 & DRAGGING. BOTH NR 3 & NR 4 BRAKES WERE SMOKING & DRAGGING DURING TAXI. REPLACED DUAL ALTERNATE BRAKE DISTRIBUTION VALVE IAW MM & REPLACED ALTERNATE BRAKE SERVO VALVE MANIFOLD IAW MM. BLEED BOTH ALTERNATE & NORMAL BRAKE SYSTEMS. COULD NOT DUPLICATE FAULT, OPS CHECKED GOOD.