What was found
AIRCRAFT WAS GROUNDED: UPON CLEARING RUNWAY, BRAKES WOULD NOT RELEASE EVEN WITH AUTO BRAKES DISARMED. TOOK AN ABNORMALLY LARGE AMOUNT OF POWER TO KEEP MOVING AND WHEN ENGINES SPOOLED TO OVER 60% N1 FELT BRAKES SUDDENLY RELEASE WITH A JOLT. TOWER REPORTED MOMENTARILY SEEING SMOKE. UPON POST FLIGHT INSPECTION FOUND NUMBER 1 TIRE COMPLETELY FLAT SPOTTED. BELIEVE BRAKE LOCKED UP AND WOULD NOT RELEASE. REMOVE AND REPLACED NUMBER 1 MLG TIRE ASSEMBLY (AALA202506098697), PER AMM 32-45-11. REMOVE AND REPLACED NUMBER 1 MLG BRAKE ASSEMBLY (AALA202506098774), PER AMM 32-41-41. OPERTIONAL CHECK GOOD.