As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON LANDING, PILOT DISCOVERED NR 4 MWA WAS NO LONGER ON THE AXLE. THE NR 4 BRAKE AND PART OF THE WHEEL ASSY HEAT SHIELD, BEARINGS, SPACERS AND WHEEL ASSY AROUND THE INNER WHEEL BEARING WERE STILL ON THE AXLE AT LANDING. NO DAMAGE WAS NOTED TO THE ACFT.