As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH TO ATL, FLT EXPERIENCED UNSAFE NOSE LANDING GEAR INDICATION. FLT DECLARED AMBER ALERT WITH ATL TOWER AND REQUESTED EQUIPMENT AND LONG RUNWAY. *S/D* A SUCCESSFUL LANDING WAS ACCOMPLISHED BY MANUAL LANDING GEAR EXTENSION. THE POST FLIGHT REPORT FAULTED NLG DOWNLOCK SENSORS 18GA AND 19GA. REPLACED NLG DOWNLOCK SENSORS PER AMM. NORMAL AND MANUAL GEAR EXTENSION AND RETRACTION OPERATIONAL CHECKS PERFORMED. ALL TESTS FUNCTION NORMAL. AIRCRAFT RETURNED TO SERVICE.