K-Line Airport, O scale gauge

Up for bid is a brand new K-Line airport. All the pieces are still in the bag. Unfortunately the airport door is missing a small tab in the upper left hand side, that holds it in place. The door can be glued in place, but then it will not go up and down. Plently of pieces, and would still look nice even if glued in place. I am selling other Plasticville houses later. Any questions, please em. Thanks for looking.