As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FINAL APPROACH AT ABOUT 1000 FT NOSE GEAR LIGHT WENT OUT. DESCENDING DOWN FOR A FLY BY WE GOT THE AUDIBLE WARNING "PULL UP NO GEAR". ON GO AROUND THE LIGHT CAME BACK ON. THE PIN WAS UP THE ENTIRE TIME. ADJUSTED NOSE GEAR LEGLOCK SWITCH. OPERATIONAL CHECKED NORMAL I.A.W. HAWKER 800XP M/M CH. 32-60-00. REF RAS VNY W.O. 21-04-450 SQK 1.3