What was found
(CAN) PILOT DEPARTED CALGARY ON ROUTE TO PENTICTON. AT SOME POIN WHILE AIRBOURNE THE PARKING BRAKE WAS ENGAGED. DURING TOUCHDOWN IN PENTICTON NR 2,3,& 4 MAIN TIRES BLEW. THE A/C VEERED TO THE RIGHT, THE PILOTS MAINTAINED CONTROL AND THE A/C STOPPED AT SOME POINT ON THE RUNWAY. AS A RESULT OF THE TIRES BLOWING NR 3 & 4 MAIN WHEELS AND BRAKES WERE DAMAGED BEYOND REPAIR. A MAINTENANCE CREW WAS FLOWN TO PENTICTON WHERE THE A/C WA JACKED UP, TIRES AND BRAKES REMOVED, NR 1 & 2 BRAKE ASSEWMBLIES WERE FOUND SERVICABLE. NR 3 & 4 BRAKE ASSEMBLIES WERE REPLACED. ALL FOUR MAIN WHEEL ASSY'S WERE REPLACED. THE A/C WAS THEN RETURNED TO SERVICE.