As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PERFORMED AND AIR TURN BACK DUE TO A NLG UNSAFE LIGHT ILLUMINATING DURING CLIMB OUT. THE NLG INDICATION PIN WAS NORMAL. THE CREW ASSUMED THAT THE GEAR DOORS WERE OPEN. THE GEAR WAS LOWERED AND ALL INDICATIONS WERE GOOD. MAINTENANCE PERFORMED THE NO GO ODI PREVENTION WORK CARDS AND SERVICED THE NOSE GEAR STRUT IAW WC 3221-6446. A SUCCESSFUL GEAR SWING WAS PERFORMED AND THE AIRCRAFT WAS RETURNED TO SERVICE.