As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NLG RED UNSAFE LIGHT REMAINED ILLUMINATED AFTER TAKEOFF. QRH COMPLIED WITH BY FLIGHT CREW. NLG RED UNSAFE REMAINED ILLUMINATED. AIRCRAFT RETURNED TO THE FIELD (LAS). NO EMERGENCY DECLARED, AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE DEPARTMENT INSPECTED AND ADJUSTED THE NLG DOWNLOCK SENSOR IAW AMM 32-60-65. PERFORMED GEAR SWING, OPS CHECK GOOD IAW AMM 32-60-00. AIRCRAFT RETURNED TO SERVICE.