As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR RECYCLE WAS REQUIRED TO GET THE RIGHT MAIN LANDING GEAR LIGHT TO INDICATE DOWN AND LOCKED. RIGHT MAIN LANDING GEAR DOWNLOCK SWITCH CONNECTOR WAS FOUND TO BE DIRTY. CLEANED AND REINSTALLED CANNON PLUG. LANDING GEAR OPS CHECKED GOOD IAW DC8 MM 32-60-0.