What was found
ON CLIMB OUT FROM 20,000 TAIL COMP TEMP HIGH LT ILLUMINATED AND AFTER DOING THE CHECKLIST LIGHT EXTINGUISHED AFTER 20 SECONDS. THE FLIGHT DECLARED AN EMERGENCY AND RETURNED TO DFW WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND A LOOSE CLAMP ON THE RIGHT HAND AUGMENTATION VALVE. THE CLAMP WAS RESECURED, THE ENGINES WERE RUN AGAIN, AND NO LEAKS WERE FOUND. REFERENCE USED WAS AMM 36-10-01 AND MNM CARD 36-95-14. THE AIRCRAFT WAS GROUNDED.