As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON GEAR SELECTOR HANDLE PLACED INTO DOWN POSITION THERE WAS NO GREEN "DOWN" LIGHT ILLUMINATED. ONLY THE RED UNSAFE LIGHT FOR THE NOSE WHEEL. IFE DECLARED AND TOWER FLY-BY TO VERIFY NOSE GEAR EXTENSION. AIR DIVERSION, WITH UNEVENTFUL LANDING AND TAXI. MX TROUBLESHOT THE NLG SYS AND FOUND THE RESISTANCE HIGH ON THE NOSE GEAR DOWN AND LOCK SWITCH. SWITCH REPLACED WITH NEW PART. OPS CHECK GOOD. PERFORMED SATISFACTORY TAXI CHECK.