As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BRAKES FAILED WHILE TAXIING AFTER LANDING. AUTO BRAKE FAIL ON WHEELS PAGE ON ECAM. REMOVED AND REPLACED BSCU. REMOVED AND REPLACED DUAL BRAKE DISTRIBUTION VALVE. REMOVED AND REPLACED AUTOMATIC SELECTOR VALVE. BSCU C20216332292C 747 FAILED ONLY AUTOMATIC SELECTOR VALVE A25461-103, W649 FAILED ONLY.