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. MAINTENANCE FOUND LOOSE CLAMPS CAUSING LEAK FROM RIGHT HEAT EXCHANGER AND CANNON PLUG BROKEN OFF OF TEMPERATURE SENSOR. TIGHTENED CLAMPS TO RIGHT HEAT EXCHANGER AND REPLACED CANNON PLUG. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.