What was found
PASSENGER DOOR SHOWS RED ON STATUS PAGE. CANNOT VERIFY DOOR IS LATCHED. UPPER RIGHT WINDOW ONLY HAS PARTIAL GREEN INDICATION. REMOVED MED AIR STAIRS. CLEANED ALL GREEN HAGS WITH ISOPROPYL ALCOHOL AS NEEDED. VERIFIED ALL GREEN FLAGS ARE VISIBLE. WHILE STAIRS WERE REMOVED WE FOUND ONE OF THE MAIN DOOR WARNING MICROSWITCHES TO BE FAULTY AND WILL NEED TO BE REPLACED. REMOVED FAULTY LOWER MAIN DOOR WARNING SWITCH, AND DAMAGED MICROSWITCH LEVER. INSTALLED NEW LOWER MAIN _ DOOR WARNING SWITCH AND NEW SWITCH LEVER IAW AMM 52-71-20.