As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4642 THE CREW REPORTED THAT ON DESCENT INTO YYZ GOT BRAKE OVERHEAT WARNING MESSAGE. THE CREW DECLARED AN EMERGENCY INTO YYZ LANDED SAFELY. THE AIRCRAFT WAS REMOVED FROM SERVICE. PERFORMED MDC DOWNLOAD WITH MFD VERIFIED NR 3 TEMPERATURE SENSOR INTERNAL FAILURE CRJ-700 AMM 45-45-00. REMOVED AND REPLACED NR 3 IAW AMM 32-46-01. THE AIRCRAFT WAS RETURNED TO SERVICE.