What was found
(CAN) ACFT HAD A WHEEL BEARING FAILURE DURING LANDING, SUBSTANTIAL DAMAGE WAS FOUND ON NR 4 WHEEL BRAKE AND BEARING, RT OTBD. THERE ARE ALSO SOME DAMAGE TO THE AXLE AND ANTI-SKID SENSOR AND SLEEVE AND THESE PARTS WILL NEED TO BE REPLACED AS WELL. THIS WHEEL ASSY WAS R & R ON MARCH 11, 2011. AFTER REMOVING ALL THE PARTS, THERE WAS SO MUCH DAMAGE TO THE WHEEL, BEARING, BRAKE, A/I SENSOR, AND AXLE THAT IT BECOMES VERY DIFFICULT TO PIN POINT WHAT COULD BE THE ROUTE CAUSES OF THIS INCIDENT.