As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF FROM MIA, LANDING GEAR FAILED UPLATCH CHECK. MX NOTE: COMPLETED UPLATCH CHECK LIST AND FOUND WHEN LOWERING LANDING GEAR RIGHT MAIN GEAR GREEN LIGHT INTERMITTENTLY ON. TROUBLESHOT AND FOUND RT MAIN GEAR DOOR SWITCH NOT SECURED. SECURED DOOR SWITCH AND PERFORMED LANDING GEAR DOOR AND GEAR UP LIMIT SWITCH. TEST IAW MM DC8 32-60-0.