As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER TAKE OFF FROM FLAPS SELECTED FROM 5 DEGREES TO 2 DEGRESS, AMBER LEADING EDGE LIGHT ILLUMINATED ON FWD PANEL. MAIN LEADING EDGE PANEL INDICATED NR 5 LE FLAP OUT. FUEL WAS DUMPED AND AIRCRAFT RETURNED TO AIRPORT. MAINTENANCE FOUND THE LEADING EDGE DEVICE TO BE OPERATING NORMAL WITH FALSE INDICATION ONLY. LEADING EDGE DEVICE INDICATION SWITCH WAS REPLACED. SYSTEM CHECKED SERVICABLE.