As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF AFTER RAISING THE LANDING GEAR THE RED NOSE GEAR INTRANSIT LIGHT STAYED ON, THE GEAR WAS CYCLED AND THE LIGHT WENT OUT. ALL OTHER INDICATIONS WERE NORMAL. UPON INVESTIGATION MAINTENANCE FOUND THE TOW BAR PIN INSTALLED ON THE NOSE GEAR TORQUE LINKS. THE PIN WAS REMOVED AND GEAR SWINGS WERE PERFORMED.