As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT MAIN LANDING GEAR DOWN LOCK LIGHT WOULD NOT ILLUMINATE ON GEAR PANEL. APPROACH TO HOSPITAL ABORTED AND AIRCRAFT RETURNED TO HANGAR. MAIN GEAR TESTED TO ENSURE DOWN AND LOCKED. TESTING REVEAL RIGHT MAIN GEAR WIRE HARNESS DOWN SENSOR INOPERATIVE. THE WIRE HARNESS REPLACED AND AIRCRAFT RETURNED TO SERVICE.