What was found
98-0080 CDG - AFTER TAKEOFF DURING FLAP RETRACTION TO 0 HAD FAILURE NR 3 LED FAILED TO RETRACT. PERFORMED APPROPRIATE CHECK LIST WITH NO RESOLUTION OF PROBLEM. DUMPED FUEL TO MAXIMUM LAND WEIGHT. NORMAL LANDING AT CDG. INSTALLED JUMPER CABLE ON NR 3 LEADING EDGE FLAP POSITION SWITCH AS PER MAINTENANCE MANUAL 27-82-0. OPERATION OF FLAPS AND SLATS PERFORMED, ALL INDICATION NORMAL. NR 3 LEADING EDGE FLAP POSITION INDICATION SWITCH REPLACED PER MAINTENANCE MANUAL 27-82-1 ADJUSTMENT AND TEST PER SAME. ALL INDICATIONS NORMAL.