What was found
DURING C-CHECK, APPROXIMATELY 20 WIRES WERE FOUND DAMAGED (INSULATION COMPLETELY GONE) WITH BARE WIRE EXPOSED. LOCATION: INSIDE THE INBOARD L/E EDGE FLAP ON THE RT WING ABOVE THE ANTI ICING DUCT, ABOVE NR 2 & 3 TANK TO ENGINE FUEL MANIFOLD VALVES. EVIDENCE OF ARCING BETWEEN WIRES. FLUX VALVE WIRING WAS NOT DAMAGED. THE DAMAGED WIRES WERE REMOVED AND APPROXIMATELY 30 INCHES OF NEW WIRES WERE SPLICED IN. SUSPECT POSSIBLE SKYDROL DAMAGE TO WIRES IN THIS AREA.