As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW RECEIVED A LANDING GEAR NOSE DOOR OPEN MESSAGE. AN EMERGENCY WAS NOT DECLARED AN CREW LANDED WITHOUT INCIDENT. MAINTENANCE FOUND A BROKEN LOCKING DEVICE ON LT AFT NLG DOOR LINKAGE. MAINTENANCE PERFORMED TEMP GEAR DOOR LINKAGE ADJUSTMENT IAW AMM AND PLACED FINAL REPAIR ON DMI.