As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LANDING, ON GEAR EXTENSION NO GREEN LIGHTS FOR GEAR DOWN AND LOCKED. C/B ON DC BUS 1 RESET NO HELP. VISUAL INDICATORS ON WING AND NOSE GEAR DOWN ALL CHECKED, GEAR DOWN AND LOCKED. CREW LANDED THE AIRCRAFT WITHOUT INCIDENT. AN INSPECTION IS ON GOING. WHEN MORE INFORMATION BECOMES AVAILABLE IT WILL BE PROVIDED. MAINTENANCE FOUND CONNECTOR P1-44 DISCONNECTED AT F/O'S INSTRUMENT PANEL AND RECONNECTED. REPLACED L/G PROXIMITY BOX AND THE SYSTEMS OPERATIONAL CHECK WAS NORMAL IAW ALL APPLICABLE MANUALS.