What was found
WHILE ON APPROACH, CREW EXTENDED LG & RECEIVED NORMAL DOWN, 3 GREEN INDICATION. THE ACFT THEN EXPERIENCED A HYD SYS FAILURE. CREW CONTINUED ON APPROACH & LANDED, BUT BOTH MLG TIRES FAILED DURING ROLL OUT, AS THE CREWS HAD TO ENGAGE THE AIRCRAFT'S EMER BRAKING SYS. PAXS WERE MOVED OFF THE ACFT & IT WAS TOWED TO THE FBO. PER EVALUATION AND RECOMMENDATION FROM MANUFACTURER, MX REMOVED AND REPLACED BOTH HYDRAULIC PRESSURE SWITCHES AND THE PRESSURE TRANSDUCER. PERFORMED HIGH ENERGY STOP INSPECTION, TASK 05-50-10-200-801A. OPS AND LEAK CHECKS GOOD.