As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED NR 4 BRAKE DISINTEGRATED ON LANDING. AIRCRAFT LANDED WITHOUT INCIDENT AND MAINTENANCE WAS DISPATCHED TO THE AIRCRAFT AND REPLACED THE NR 4 RIGHT O/B BRAKE AND PERFORMED OPS CHECKS PER EMB AMM. A/C WAS THEN RELEASED BACK INTO SERVICE.