What was found
MIA - INFLIGHT ON MAX POWER TAKEOFF ENGINE EXHAUST TEMPERATURE REACHED 1000. AFTER LIFT OFF ATTEMPTED TO RETARD NUMBER 2 THROTTLE BUT IT WAS STUCK FORWARD. RECEIVED INTERMITTENT OVERTEMP AND FIRE INDICATION. RAN FIRE PROCEDURE AND SHOT BOTH FIRE BOTTLES IN FLIGHT. RIGHT SIDE MAIN BRAKES REACHED 685 TO 700 DEGREES. RETURNED TO MIA AND LANDED WITHOUT INCIDENT. FIRE CHIEF REPORTED NO FIRE AFTER LANDING. FOUND BLOWN DUCT. FRACTURED BLEED BIAS SENSOR. REPLACED NUMBER 2 ENGINE. SYSTEM GROUND CHECKED NORMAL OPERATION.