As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING GEAR EXTENSION, THE NOSE LANDING GEAR LIGHT DID NOT ILLUMINATE WHILE THE NOSE GEAR UNSAFE LIGHT STAYED LIT. THE GEAR WAS RECYCLED. AFTER ONE MINUTE, THE NOSE GEAR CAME DOWN AND LOCKED. REMOVED AND REPLACED THE NOSE LANDING GEAR DOWNLOCK SWITCH IAW DC-9 MM 32-60-10. OPS CHECKED GOOD IAW DC-9 MM.