What was found
JUST PRIOR TO TAKEOFF, ALL FUEL INDICATIONS DISPLAYED XX AND ALL FUEL INDICATIONS ON OVERHEAD PANEL WENT BLANK. ACRID ODOR AND SMOKE WAS PRESENT AND TWO LOUD BANGS WERE HEARD FROM THE E& E COMPARTEMENT. SHUTDOWN ENGINES AND ALL ELECTRICAL POWER TO THE AIRCRAFT, FIRE DEPARTMENT RESPONDED TO THE AIRCRAFT AND NOTED THE ACRID ODOR IN THE E & E COMPARTEMENT. DURING TROUBLESHOOTING, FOUND THE STATIC INVERTER BURNED WITH INTERNAL PARTS EXPLODED. PERFORMED A DETAILLED VISUAL INSPECTION OF ALL WIRES AND BUNDLE CABLES FOR BURNING, NOTHING FOUND. REMOVED AND REPLACED THE STATIC INVERTER IAW MM 24-24-11-04, OPS CHECKED OK . ALL SYSTEM ARE WORKING NORMALY, ACFT READY FOR SERVICE.