As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON LANDING, THE NR 4 BRAKE DISK FRACTURED AND DAMAGED BOTH NR 3 AND NR 4 WHEELS AND TIRES. THE AIRCRAFT TAXIED TO PARKING WITHOUT INCIDENT. THE FRACTURED DISK WENT UNNOTICED UNTIL PIECES WERE FOUND ON THE RUNWAY AND TAXIWAY A SHORT TIME LATER. MAINTENANCE REPLACED THE NR 4 BRAKE, NR 3 AND NR 4 MAIN WHEELS, AND RETURNED THE AIRCRAFT TO SERVICE.