As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6675 - ORD-FSD - DURING CLIMB, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO RIGHT DUCT FAIL MESSAGE ILLUMINATED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED TEMPERATURE CONTROLLER. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)