As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, EXPERIENCED NLG DOOR CYCLED ONCE. NO OTHER WARNING INDICATIONS. DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. GROUND MX CLEANED NLG DOOR PROXIMITY SENSORS AND PERFORMED AN OPS CHECK THAT PRODUCED SATISFACTORY RESULTS.