As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE THE RED LANDING GEAR DOOR LIGHT ILLUMINATES INTERMITTENTLY. THE FE PANEL INDICATES A PRIMARY RIGHT WING DOOR OPEN. BOTH LIGHTS EXTINGUISHED AT SAME TIME. CHECKED GEAR DOOR SWITCH NORMAL. OP'S CHECK OF SYSTEM OK, COULD NOT DUPLICATE SYSTEM CHECKS OK.