As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EWR FLT 2370 THE CREW REPORTED A BLEED 1 OVERTEMP MESSAGE IN FLIGHT. THE AIRCRAFT DIVERTED INTO CLE AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE BLEED LINE TO THE LOW TEMPERATURE THERMOSTAT. OPERATIONAL CHECKS WERE GOOD.