As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON LANDING, THE PILOT REPORTED THAT THE LT BRAKE WAS NOT WORKING. THE PILOT WAS ABLE TO STOP THE ACFT AND TAXI TO THE RAMP WITHOUT INCIDENT. INSPECTED THE LT LANDING GEAR AND FOUND THAT THE NR 2 TIRE TREAD AND SEPARATED FROM THE TIRE. WHEN THE TIRE TREAD SEPARATED, IT SHEARED THE BRAKE LINE CAUSING THE LOSS OF BRAKING ACTION. THE NR2 TIRE WAS A RECAP TIRE.