What was found
EN ROUTE, TAIL COMPARTMENT TEMPERATURE HIGH LIGHT ILLUMINATED JUST AFTER TAKEOFF. STAYED ON FOR APPROXIMATELY 3-5 MINUTES CROSSFEED CLOSED, AIRFOIL ICE OFF, HP BLEED OFF. RETURNED AND LANDED TUL WITHOUT INCIDENT. REINSTALLED OUTBOARD FORWARD DUCT AIR CONDITIONING DUCT AND TORQUED CLAMPS. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)