As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TUL - DURING CLIMB, AT FL250 IN ICING CONDITIONS THE CREW REPORTED A BLEED NR 2 OVERTEMP WARNING WITH INDICATIONS IN THE UPPER RED RANGE. THE CREW DIVERTED TO TUL WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NUMBER TWO FAN AIR THERMOSTAT, OPERATIONALLY TESTED WITH NO DEFECTS. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.