As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER PUTTING GEAR DOWN, WE HAD A GREEN GEAR LIGHT MOMENTARILY ON FOLLOWED BY A MOMENTARILY RED LIGHT, ALL GEAR LIGHTS WENT OUT. ENGINEER PANEL LIGHTS FOR GEAR CHECKED NORMAL. RESET C/B C613 PANEL. CARRIED OUT OPERATIONAL CHECK OF LANDING GEAR INDICATION LIGHTS IAW MM 32-61-00. OPERATION CHECKS OK.