As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING POST FLIGHT INSPECTION AT STL FOUND LT IB TIRE RECAP TREAD MISSING. MAINTENANCE REMOVED AND REPLACED NR 3 MAIN LANDING GEAR AND TIRE ASSEMBLY. PERFORMED TIRE FAILURE INSPECTION AND REPAIRED FOD DAMAGE CAUSED BY TREAD SEPARATION.