What was found
MEX - FLT 2147 - EN ROUTE MIZ/MEX DURING CRUISE, LOWER AFT BODY OVERHEAT LIGHT ILLUMINATED. ACCOMPLISHED ABNORMAL PROCEDURES AND LIGHT EXTINGUISHED WITH NR 1 POWER LEVER RETARDED. AIRCRAFT PROCEEDED TO MEX AND LANDED WITHOUT INCIDENT. RESECURE LOOSE CLAMP AT NR 1 ENGINE PRE-COOLER DUCT. ACCOMPLISHED GROUND ENGINE RUN, ALL THREE ENGINES, WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)