As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, DOORS NOT LATCHED LIGHT AND GEAR NOT LATCHED LIGHT REMAINED ON BRIGHT. ON LANDING BOTH RED LIGHTS WERE ON AND RIGHT MAIN GEAR LIGHT WAS OUT. REMOVED AND REPLACED LANDING GEAR PROXIMITY SWITCH CONTROL BOX. SYSTEM OPS CHECK GOOD IAW DC-8 MM 32-60-0. (M)