The Reconnaissance Troop Transport does have doors right? There isn't a secret weird way to enter? I'm thinking it's a bug, but before I get the bug team scrambling I want to make sure there isn't a different way in.
What do you mean doors? DO you mean lockable doors between the rooms inside? Or do you mena a way to enter the vehicle itself? If the latter, possibly a case of no room map or something and should be bug based.