As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENROUTE, THE NOSE GEAR UNSAFE LIGHT ILLUMINATED FOR 15-20 SECONDS. ON APPROACH TO LAND GEAR CAME DOWN NORMALLY. R & R NLG LOCK ACTUATOR. REF MM TASK 32-31-51-000-801 AND 32-31-51-400-801. PERFORMED A FUNCTIONAL CHECK OF THE LANDING GEAR PRIMARY EXTENSION AND RETRACTION SYS. IAW MM 32-31-00-720-801. OPS CHECKED GOOD, NO DEFECTS NOTED. RETURNED TO SERVICE.