As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RED UNLOCK LIGHT ON, AFTER SELECTING GEAR DOWN. AFTER RETRACTING GEAR THE GREEN NOSE LIGHT REMAINED ON EVEN THOUGH THE NOSE GEAR APPEARED TO RETRACT. THERE WAS NO WIND NOISE OR VIBRATION FELT. AS A PRECAUTION GEAR WAS BLOWN DOWN & THE RED UNLOCK LIGHT REMAINED ON. FOUND NLG DOWNLOCK SWITCH FAILED IN TRANSIT POSITION. RESET EMERGENCY LANDING GEAR SYS IAW MM 12-10-36. SERVICED & BLED HYD SYS. R & R NLG DOWNLOCK SWITCH IAW MM 32-30-03. SYS OPS CHECKED NORMAL. NO OTHER DEFECTS NOTED.