What was found
(CAN) FLIGHT CREW REPORTED ON TAXI THE AIRCRAFT SEEMED TO REQUIRE MORE POWER THAN NORMAL - AIRCRAFT DEPARTED WITHOUT INCIDENT.ON NEXT LANDING THE CREW NOTICED THE SAME AND REPORTED TO YLW MAINTENANCE. INSPECTION FOUND THE MAIN BRAKE ON NR 2 MAIN WHEEL ASSEMBLY SEIZED AND THE NR 2 TIRE RIM CRACKED/DETACHED FROM ASSEMBLY. MAINTENANCE REPLACED THE MAIN WHEEL ASSY, P/N: 2601571-1, THE NR 2 MAIN GEAR BRAKE ASSY. MAIN LANDING GEAR SYSTEM AND AIRCRAFT GROUND CHECKED SERVICEABLE - AIRCRAFT RETURNED TO SERVICE WITH NO FURTHER INCIDENTS TO REPORT.