What was found
DURING FLIGHT, FROM CAK-CLT, CREW HAD INTERMITENT BRAKE OVERHEAT MESSAGE AT FL350. EMERGENCY WAS DECLARED WITH ATC, HOWEVER, ALL INDICATIONS WERE NORMAL DURING APPROACH AND EMERGENCY WAS CANCELLED. NO EMERGENCY VEHICLES WERE ROLLED, NO ANNOUNCEMENT TO BRACE. MX HAS BEEN DISPATCHED. NO FURTHER INFORMATION. TROUBLESHOT LH OB BRAKE TEMP WARNING MESSAGE IAW CRJ900 FIM 32-46-01-810-802 TO LH OB BRAKE TEMP SENSOR. INTERMITTENT LH OB BRAKE TEMP WARNING MESSAGE / REMOVED AND REPLACED LH OB BRAKE TEMP SENSOR IAW CRJ900 AMM 32-46-01-000/400-801. OPS CHECKS GOOD.