As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON GEAR EXTENSION, NOSE GEAR GREEN LIGHT FAILED TO ILLUMINATE WITH ASSOCIATED RED GEAR UNSAFE LIGHT. LIGHT ILLUMINATED AFTER CYCLING GEAR TWICE TO GET NORMAL INDICATION. NOSE LANDING GEAR DOWNLOCK SWITCH LEVER MECHANICALLY BINDING. REPLACED DOWNLOCK SWITCH IAW DC-9 MM.