What was found
(CAN)A LOUD RATTLING NOISE WAS HEARD COMING FROM NOSE WHEEL WELL AREA ON TAKEOFF. REJECTED TAKEOFF AT 80 KNOTS. A 180 DEGREE TURN WAS EXECUTED, AIRCRAFT TAXIED 100 FEET AND STOPPED. A LOUD WINDING DOWN NOI SE WAS HEARD IN NOSE WHEEL WELL AREA AS BRAKE SET. UNABLE TO MOVE AFTER BRAKES SET. MAINTENANCE INSPECTION FOUND #1 & #2 BRAKE CARRIERS SEIZED. MAINTENANCE ACTION INVOLVED REPLACING BRAKE CARRIERS, #1 & #2 MAIN WHEEL AND NOSE WHEEL ASSEMBLIES.