As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAS - AIR TURNBACK - UPON GEAR RETRACTION, RED TRANSIT NOSE GEAR LIGHT WOULD NOT EXTINGUISH IN GEAR UP POSITION; VIBRATION AND NOISE PRESENT; IN OFF POSITION GREEN AND RED NOSE GEAR LIGHT ON; ALL 3 GEAR GREEN LIGHTS WERE ON FOR LANDING. MAINTENANCE TROUBLESHOT AND REPLACED THE NOSE GEAR HYDRAULIC MODULE; FUNCTIONAL CHECKS WERE GOOD.