As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SBN TO CVG - DURING CLIMB-OUT, CREW RECEIVED A BLEED 1 OVERTEMP MESSAGE AT AROUND 4,000 FEET. THE FLIGHT RETURNED TO FIELD AND LANDED WITHOUT INCIDENT AT SBN. MAINTENANCE TROUBLESHOT THE BLEED SYSTEM PER THE FIM, REMOVED THE FAN AIR VALVE FILTER AND CLEANED IT. THE FILTER WAS THEN REINSTALLED AND THE BLEED SYSTEM OPERATED NORMALLY.