As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON FINAL APPROACH WHEN GEAR WAS SELECTED DOWN, RT GEAR LIGHT WOULD NOT COME ON. GEAR WAS SELECTED SEVERAL TIMES WITH SOME RESULT. GO AROUND WAS UNDERTAKEN. RT GEAR WAS VISUALLY CHECKED IN THE DOWN POSITION AND ON THE NEXT APPROACH AIRCRAFT LANDED WITHOUT INCIDENT AND TAXIED TO THE HANGAR. RT MAIN GEAR DOWN LOCK SWITCH CONTACTS WERE FOUND TO HAVE FAILED. SWITCH WAS REPLACED, GEAR SWING COMPLETED AND CHECKED SERVICEABLE.