As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING POST FLIGHT INSPECTION, FOUND SEVERAL CARBON PIECES AROUND THE NR 1 BRAKE AND WHEEL ASSEMBLY. WHEEL REMOVAL REVEALED THAT THE BRAKE CARBON DISCS (ROTORS AND STATORS) WERE OXIDIZED AND REDUCED TO SEGMENTS. MAINTENANCE REPLACED THE NR 1 BRAKE AND WHEEL ASSEMBLY.