What was found
PASSING THROUGH 2000' DEPARTING ZSPD WITH LANDING GEAR RETRACTED, LEVEL 2 " BRAKE OVERHEAT" ILLUMINATED.COMPLIED WITH QRH AND EXTENDED LANDING GEAR. OVERHEATED BRAKE WAS ON #7 WHEEL W/MAX TEMPERATURE OBSERVED OF 568 DEG WHILE ALL OTHER BRAKES WERE LESS THAN 200 DEG. GEAR WAS RETRACTED W/IN SPEED LIMITS AFTER #7 BRAKE COOLED. PRECAUTIONARY REMOVED AND REPLACED #7 BRAKE TEMPERATURE SENSOR PER AMM32-46-01-4, ALL BRAKE TEMPERATURE WERE NORMAL. A/C OK FOR SERVICE.