As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR LIGHTS FAILED TO ILLUMINATE ON APPROACH. ACFT CLIMBED TO A SAFE ALTITUDE AND FOLLOWED THEIR CHECKLIST. ACFT DIVERTED, ENROUTE, LIGHTS ILLUMINATED AFTER CYCLING LANDING GEAR CIRCUIT BREAKER. ACFT LANDED SAFELY. MX COMPLIED WITH LANDING GEAR SYS AND INDICATION TEST. ALL LIGHTS OPS TEST WERE GOOD. ACFT RETURNED TO SERVICE.