What was found
(CAN) DURING LANDING, AC PULLED TO RT, FULL LT BRAKING, REVERSE AND RUDDER WERE UNABLE TO KEEP AC ON RUNWAY. AC CAME TO A STOP RT OF LANDING DIRECTION, WITH RT MAIN AND NOSE GEAR OFF OF RUNWAY. DETERMINED THAT RT SIDE BRAKES WERE FROZEN CAUSING WHEELS TO LOCK UP. OTHER THAN 2 RT MAIN TIRES BEING SQUARED OFF, NO DAMAGE TO AC. BRAKE DE-ICE SYS WAS VISUALLY INSPECTED, NO DAMAGE WAS FOUND. LEAK CHECK WAS COMPLETED, CAUSE OF BRAKES FREEZING WAS A LEAKING RT BRAKE DE-ICE HOSE. HOSE VISUALLY APPEARED SERVICEABLE BUT A LEAK WAS FOUND 8 INCHES FROM LOWER END OF HOSE BENEATH UNDAMAGED OUTER PROTECTIVE SHEATH. THIS IS LOWER HOSE THAT CONNECTS TO THE MANIFOLD. THE HOSE, WHEELS WERE REPLACED, AC RETURNED TO SERVICE.