As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN LANDING GEAR GREEN LIGHT FOR RIGHT MAIN GEAR FAILED TO ILLUMINATE AFTER GEAR EXTENSION. DURING FLY-BY FOR GEAR CONFIRMATION, GREEN LIGHT CAME ON. REPLACED RIGHT LANDING GEAR DOWN LIMIT SWITCH PER DC-8 SUPP. M.M. 32-60-00. OPS CHECKED GOOD.