As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE GEAR UNSAFE LIGHT REMAINED ILLUMINATED UPON GEAR RETRACTION. CREW RECYCLED GEAR AND ALL LIGHTS EXTINGUISHED. MAINTENANCE INSPECTED LANDING GEAR SYSTEM AND FOUND NOSE LANDING GEAR TO BE LAGGING DURING OPERATION. TROUBLESHOT SYSTEM TO GEAR SELECTOR VALVE. REPLACED SELECTOR VALVE WITH NEW AND OPERATIONAL CHECK OF GEAR FOUND TO BE SATISFACTORY. (K)