As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF FROM KLAX TO KTOL DOOR NOT LATCHED LIGHT REMAIN ILLUMINATED. GEAR WAS RECYCLED TWICE WITH NO CHANGE. UP LATCH CHECK WAS SATISFACTORY. INSPECTION IS ON GOING. ADDITIONAL INFORMATION WILL BE PROVIDED AS IT BECOMES AVAILABLE. AFTER INSPECTION OF AIRCRAFT MAINTENANCE REMOVED AND REPLACED RIGHT MAIN LANDING GEAR DOOR NOT LATCHED PROXIMITY SWITCH AND PROXIMITY SWITCH STRIKER. OPERATIONAL CHECK GOOD IN ACCORDANCE WITH DOUGLAS AIRCRAFT MAINTENANCE MANUAL.