this may lead to clues, though from an aviation perspective and show us there may be other parties involved as well. we can't rule out that there may have been something wrong with the aircraft. >> brian alexander, thank you very much. >> thank you, brooke. coming up next what is this piece? what does it do? i want to help you better understand what it is because we'll take you to a tarmac and look firsthand at this boeing 777 flaperon. we spoke to an expert who actually noticed something on this plane that you are looking at that is missing on the piece off the island. we'll show you up close, next.