As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 3 WHEEL BRAKE ASSY EXCESSIVE SMOKE DURING TAXI FOR FCF. TOWER STOPPED AIRCRAFT AND NOTIFIED FIRE CREW. AIRCRAFT RETUNED TO HANGER SAFE. WHEEL BRAKE PUCK FOUND LEAKING AND CARBON FIBER DISK ASSY DISINTEGRATED. WHEEL ASSY BRAKE REPLACED ON LOG ENTRY AND NR 1476/ HMV 2 AT ACTS.