As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN LANDING GEAR DOOR OPEN IN FLIGHT AT ABOUT 210KTS WITH LANDING GEAR SELECTED IN UP POSITION (2 AMBER/2 RED IN TRANSIT LIGHT WERE ILLUMINATED - GEAR STARTED TO COME DOWN. CREW FOLLOWED CHECKLIST AND PROCEEDED TO THE DESTINATION WITHOUT FURTHER INCIDENT. FERRIED TO ALB - RIGGED PROX SENSOR AND PERFORMED GEAR SWINGS.