What was found
ON T/O GOT LVL 1 BRAKE DIFF TEMP ALERT. NR 1 BRAKE AT 430' F AND INCREASED TO 455' F. LOWERED GEAR AND BRAKE TEMP BEGAN DECREASE. RETRACTED GEAR AT 350'/15000FT AND BRAKE CONTINUED TO COOL DOWN. INSPECTED ALL TIRES AND BRAKES PER AMM 05-56-01-6 AND 05-51-07-6. NR 1 BRAKE DISK BROKEN AND NR 1 MAIN TIRE WORN TO 1ST CORD. REMOVED AND REPLACED NR 1 MAIN TIRE AND NR 1 BRAKE PER AMM 32-41-01-4 AND 32-43-20-4. INSPECTED NR 1 AXLE FOUND NO DAMAGE. PERFORMED OVERSPEED L/G INSPECTION PER AMM 05-51-07-6. NO DAMAGE NOTED.