As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AIRCRAFT DEPARTED ENROUTE AT TEMPERATURE AT 5 DEG C. AIRCRAFT ARRIVED WITHOUT ANY INCIDENT, WHEN AIRCRAFT WAS AT THE PAX TERMINAL IT WAS NOTICED THAT THE RT OB MAIN WHEEL ASSEMBLY WAS MISSING. INSPECTION REVEALED THAT THE WHEEL BEARINGS HAD DISINTEGRATED AND ALLOWED THE WHEEL ASSEMBLY TO FALL OFF THE WHEEL AXLE. THE WHEEL ASSEMBLY WAS FOUND ON THE RUNWAY AT ORIGINATING AIRPORT.