What was found
(CAN) DURING TROUBLESHOOTING OF AN OUTBOARD (LT HAND) LANDING LIGHT SNAG MAINTENANCENOTICED SMOKE ODOR IN THE COCKPIT AND THEN SEVERAL C/BS POPPED. MAINTENANCE SHUT ALL AIRCRAFT POWER DOWN. SMOKE WAS NOTICED BY MAINTENANCE COMING FROM THE LT PYLON AREA FWD. PYLON PANEL WAS REMOVED AND BURNED WIRING WAS DISCOVERED IN MAIN WIRE BUNDLE. AIRCRAFT IS BEING REPAIRED AND A FULL INVESTIGATION IS UNDERWAY. FURTHER INFORMATION WILL FOLLOW AS IT BECOMES AVAILABLE.