What was found
DFW - FLT 1501 - ON TAKEOFF DFW, TAIL COMPARTMENT TEMP HIGH LIGHT ILLUMINATED. ACCOMPLISHED QRH PROCEDURE. WHEN SUPPLY HIGH PRESSURE BLEED OFF WAS SELECTED LIGHT EXTINGUISHED IMMEDIATELY. AIR INTERRUPTED AND RETURNED TO DFW AND LANDED OVERWEIGHT WITHOUT INCIDENT. REPOSITIONED SECONDARY HEAT EXCHANGER EXHAUST SEAL. ACCOMPLISHED LEAK TEST WITH NO DISCREPANCY NOTED. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)