As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEN - UPON ARRIVAL, FLIGHT CREW REPORTED NOSE GEAR DID NOT EXTEND WHEN GEAR HANDLE SELECTED DOWN. RECYCLED GEAR HANDLE AND NOSE GEAR EXTENDED. MAINTENANCE RESHIMMED NLG LOCK MECHANISM, PERFORMED EXTENSION AND RETRACTION TEST, LUBRICATED NOSE LANDING GEAR AND CHECKED OK. (M)