Dear Sirs,The 737-700 W/Stairs and w/Winglets & Stairs should extend and retract the Stairs; however, ther are no instructions.Would you please instruct me how should I do?Sincerely,Kan-ichiro Fushihara

Hello Kan-ichiro,Assign one key to lower the Concorde nose, and an another to retract it. That's how the stairs operate.Ragards

Hello Onur,Thanks very much for your advice. I have done it.Sincerely,Kan-ichiro Fushihara