As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED DURING LANDING, LOST ALL NORMAL BRAKING. CREW WAS ABLE TO SLOW ACFT WITH THRUST REVERSERS. RECEIVED BRAKE DEGRADED EICAS MESSAGE AND BRAKING RETURNED TO NORMAL. MAINTENANCE R & R BRAKE CONTROL UNIT WITH OPS CHECK AND HIGH SPEED TAXI CHECKS GOOD. ACFT WAS APPROVED FOR RETURN TO SERVICE.