What was found
DURING PHASE 5 INSPECTION FOUND L/E PANEL 521EB LT DISCOLORED. INVESTIGATION REVEALED DAMAGE TO 2 FIRE LOOPS, 6 GENERATOR FEEDER WIRES, A WIRE HARNESS BRACKET, AND THE FORWARD WING SPAR INSIDE L/E FLAP BAY. DAMAGE OCCURRED WHEN HARDWARE THAT SECURED LANDING ASSY TO AIRFRAME WORE THROUGH THE METAL. THIS ALLOWED LANDING ASSY TO BREAK FREE & LODGE BETWEEN L/E FLAP TORQUE TUBE & GENERATOR FEEDER WIRES CHAFING THROUGH PROTECTIVE COATING ON WIRES. THIS CAUSED ARCING DAMAGE TO WIRES, HARNESS BRACKET & WING SPAR. MX REPLACED 2 FIRE LOOPS, L/E PANEL 521EB LT & WIRE HARNESS BRACKET. WING SPAR WAS BLENDED WITHIN LIMITS. GENERATOR FEEDER WIRES WERE REPAIRED. CONTINUITY CHECK & BITE TEST CHECKED GOOD ON ENG RUN.