As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATL - CREW REPORTED GEAR DOWN AND YELLOW GEAR DOOR OPEN LIGHT WOULD NOT GO OUT. ACCOMPLISHED QRH PROCEDURE AND GO AROUND. EMERGENCY DECLARED FLIGHT LANDED ATL LANDED WITHOUT INCIDENT. GROUND REPORTS LEFT GEAR DOOR HALF OPEN AND RIGHT DOOR CLOSED. AIRCRAFT REMOVED FROM SERVICE. REPLACED LEFT MAIN LANDING GEAR DOOR LATCH ROLLER AND ASSOCIATED HARDWARE. SYSTEM GROUND CHECK NORMAL OPERATION.