As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR RETURN: AFTER TAKEOFF RAISED LANDING GEAR. ALL LIGHTS EXTINGUISHED. WHEN HANDLE WAS PLACED IN OFF POSITION RIGHT GEAR DOOR LIGHT CAME ON. PLACED HANDLE UP THEN LIGHT WENT OUT. PLACED GEAR BACK OFF, LIGHT CAME ON. YOU COULD HEAR DOOR OPEN.