What was found
TAIL COMPARTMENT TEMPERATURE HIGH LIGHT WITH MASTER WARNING LIGHT ILLUMINATED AFTER TAKEOFF. CREW DECLARED AN EMERGENCY AND FLIGHT WAS RETURNED TO MSP WITHOUT INCIDENT. MAINTENANCE FOUND LOOSE DUCT CLAMPS ON BOTH SIDES OF THE RIGHT AUGMENTATION VALVE, RIGHT AIR CONDITIONING PRESSURE RELIEF SHUTOFF VALVE, AND RIGHT FLOW CONTROL VALVE. TIGHTENED ALL CLAMPS, LEAK AND OPERATIONAL CHECK NORMAL.