CNN At This Hour With Berman and Bolduan July 30, 2015 15:40:00
This hour. just learned that boeing officials are confident the plane debris found off of reunion island is from a boeing 777. that is according to a source close to the investigation. they made this discovery by looking at a component number on the debris. >> let's talk to cnn aviation analyst and boeing 777 captain les abend. thanks so much for being with us. explain to us exactly what a component number is, what it's for, and how they can be sure just by looking at that number that this is from a boeing 777. >> well, my understanding of what acomponent number, it corresponds to that particu...