As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: THE FLIGHT CREW REPORTED THAT WHILE PUTTING THE LANDING GEAR DOWN FOR LANDING WE RECEIVED THREE GREEN INDICATION WITH A RED UP LOCK INDICATION ON THE RIGHT MAIN. THE FLIGHT CREW WENT AROUND AND UPON PUTTING THE GEAR DOWN AGAIN IT CLEARED. **SUPPLEMENTAL REPORT WILL BE SUBMITTED ** (OPEN)