As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAIL COMPARTMENT TEMPERATURE HIGH LIGHT ILLUMINATED AFTER TAKEOFF. CREW DECLARED AN EMERGENCY AND FLIGHT WAS RETURNED TO MSP. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND CLAMP BROKEN AT LEFT AIR CYCLE MACHINE INLET DUCT. REPLACED CLAMP. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.