As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON APPROACH CREW REPORTED RT MAIN GEAR WAS NOT INDICATING DOWN AND LOCKED WHEN IN THE AIR AND GEAR HANDLE IS IN THE DOWN POSITION. CHECKLIST PROCEDURES CARRIED OUT AND ACFT LANDED WITHOUT INCIDENT. MAINTENANCE WAS DISPATCHED TO INVESTIGATE THE ISSUE. TROUBLESHOOTING REVEALED THAT THE RT DOWN AND LOCK SWITCH WAS FOUND OUT OF ADJUSTMENT. THE SUBJECT SWITCH WAS ADJUSTED IAW MM 32-60-03. SUCCESSFUL GEAR SWINGS CARRIED OUT AND ACFT WAS RETURNED TO SERVICE.