As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED RT MLG BRAKES OVERTEMP DURING LANDING, DECLARED EMERGENCY AT IAH AND ENDED FLIGHT WITHOUT INCIDENT. MAINTENANCE WAS DISPATCHED TO THE AIRCRAFT TO TROUBLESHOOT. MAINTENANCE FOUND THE NR 4 BRAKE TEMP SENSOR TO BE AT FAULT, AND REPLACED IT PER EMB AMM. A/C WAS THEN RETURNED TO SERVICE.