As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
KDAY/KORD - FLT 036 - ON APPROACH, THE RT MLG DOWN AND LOCKED GREEN LIGHT DID NOT ILLUMINATE. CYCLED GEAR, NO HELP. MAINTENANCE FOUND A BROKEN WIRE AND TWO PINS PUSHED BACK IN THE ELECTRICAL CONNECTOR. MAINTENANCE REMOVED AND REPLACED THE ELECTRICAL CONNECTOR AND REPAIRED THE BROKEN WIRE. AN OPERATIONAL CHECK OF THE LANDING GEAR, FOUND DOWN AND LOCKED SYSTEM WAS GOOD.