What was found
AIRCRAFT DIVERTED EN ROUTE DUE TO A WING-BODY OVERHEAT INDICATION. AIRCRAFT EXPERIENCED LEFT WING-BODY OVERHEAT WARNING INDICATION IN CRUISE FLIGHT WITH APU SUPPLYING AIR. WING-BODY OVERHEAT INDICATION LIGHT EXTINGUISHED PER THE IRREGULAR PROCEDURE. AIRCRAFT DIVERTED TO ABQ AND LANDED WITHOUT INCIDENT. ACCOMPLISHED INSPECTION OF THE AIRCRAFT. LEFT WING-BODY OVERHEAT INDICATION SYSTEM CHECKED NORMAL PER THE TROUBLESHOOTING PROCEDURES. MAINTENANCE ALSO PERFORMED INSPECTION OF LEFT AIR-CONDITIONING BAY, WING LEADING EDGE AREA, AND AFT CARGO COMPARTMENT FOR SIGNS OF PNEUMATIC LEAKS. NO LEAKS WERE FOUND AND AIRCRACT WAS RETURNED TO SERVICE.