repair manual for the boeing triple seven. it shoes the diagram of the wing parts. and it includes a part that the number matches what we know to be the number that was written inside of this particular piece of the plane's wing. how certain are you that this comes from the malaysian airline jet? >> jon, i am almost certain that this is sadly from malaysian 370. >> there are not any other triple 7s that lost flopinators. and i think it a mere formality. a necessary one. but when it is confirmed, it will sadly confirm that the plane crashed most probably in the southern ocean. but the more important point obviously every piece in the