As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT 3196, RT DUCT OVERTEMP/BLEED FAULTED. AUTO AND MANUAL MODE. AIR RETURN TO MSP. MAINTENANCE CHECKED MANUAL MODE TEMP CONTROL, OPS CHECK GOOD. DEFERRED AUTO TEMP CONTROL AS PER MEL 21-60-2 (C) TRANSFERRED TO DMR MXC NOTIFIED. NO OTHER INFORMATION AT THIS TIME.