What was found
PROBLEM WITH NR 3 BRAKE. AFTER TAKEOFF GOT "BRAKE DIFF TEMP" LEVEL 1 ALERT. NR 3 BRAKE READ 280 DEG- ALL THE OTHER READ AT -2 DEG. TEMP CLIMBED UNTIL RE-LOWERING GEAR FOR 5 MINUTES HALTED TEMP INCREASE AT 365 DEG., AND REDUCED TEMP BACK TO 280 DEG CFDS S HOWS BTMTP FAULT - " BRAKE 03 DIFF TEMP HOT". REMOVED NR 3 TIRE, FOUND NR 3 BRAKE DISINTEGRATED. NO OTHER DAMAGE NOTED. REMOVED/REPLACED NR 3 BRAKE ASSY IAW MM 32-43-20-4. ALSO REPLACED NR3 WHEEL/TIRE ASSY IAW MM 32-41-01-4. ACFT OK TO CONTINUE. PREMATURE REMOVAL/INSTALLATION OFF. PREMATURE REMOVAL/INSTALLATION OFF MFG.