As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT MLG UNLOCKED INDICATION ON APPROACH. DECLARED EMERGENCY AND PERFORMED FLY-BY TO VERIFY GEAR DOWN. LANDED SAFELY. DETERMINED TO BE AN INDICATION PROBLEM. GEAR WAS DEFERRED PER MEL AND PINS INSTALLED TO LOCK GEAR DOWN. RIGHT DOWNLOCK MICROSWITCH WAS DETERMINED TO BE AT FAULT AND WAS ADJUSTED TO CLEAR THE MEL.