As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH THE GEAR DOWN, THERE WERE NO GREEN GEAR EXTENSION LIGHTS DURING FINAL APPROACH. *S/D* CREW UTILIZED LANDING GEAR MANUAL EXTENSION SYSTEM TO LOWER LANDING GEAR. FURTHER INSPECTION REVEALED CIRCUIT BREAKER AIR GRND RELAY AND LIGHTS WERE OUT. RESET CIRCUIT BREAKER. ACCOMPLISHED VISUAL CHECK OF CIRCUT BREAKER AND LANDING GEAR SENSOR WIRING IN WHEEL WELLS. NO DEFECTS NOTED.