What was found
(CAN) UPON LANDING IN MONCTON, PILOT IN COMMAND NOTICED ABNORMAL BRAKING FROM RT SIDE . AFTER A/C SHUTDOWN FLIGHT CREW REPORTED TO MAINTENANCE NR 4 WHEEL ASSEMBLY DISLOCKED. IT WAS DETERMINED BY MAINTENANCE INSPECTION THAT A BEARING FAILURE HAD OCCURRED. THE BEARING P/N L305649 HAD OVERHEATED AND SEIZED. INSPECITON OF INNER BEARING INDICATED LACK OF LUBRICATION & DIRTINESS. THE LEAD FAILURE CANNOT BE DETERMINED DUE TO THE DESTRUCTION OF THE BEARING.