What was found
BRAKE OVERHEAT DURING CLIMB LOWERED GEAR AND TEMP SLOWLY RETURNED TO GREEN. ( LEFT INBOARD) RETRACTED GEAR. AFTER LANDING, BRAKE OVERHEAT CAUTION RETURED AND 1B TEMP GAUGE WENT TO MAX, CONTINUED FROM ABOVE BRAKE TEMP, RETURNED TO NORMAL GREEN WITHIN 5 MINUTES OF LANDING. DECLARED EMERGENCY. TROUBLESHOT BRAKE SYS WARNING, FOUND TO BE INDICATION PROBLEM.