As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED THAT THE LANDING GEAR IN TRANSIT LIGHT REMAINS ILLUMINATED WITH THE GEAR IN THE DOWN AND LOCKED POSITION. MAINTENANCE INSPECTED THE SYSTEM AND FOUND PIN 23 ON PCB A123 CONNECTOR P277 REVEALED CORROSION INTERRUPTING THE CIRCUITRY. THE SOCKET WAS REPLACED AND ALL LANDING GEAR EXTENSION AND RETRACTION CHECKS WERE NORMAL. THE AIRCRAFT HAS BEEN RELEASED TO SERVICE.