underneath the bottom of the fuse lodge. so, once you disrupt that flow of primary structure moving the stresses into an area want it to go into, those will go into an area of the fuselage and it will actually self-destruct. >> the same plane back in 2001 suffered daniel on the tail after it struck the runway and it was repaired. is it possible that could have contributed to that crash or is it so long ago that that wouldn't play a role? >> no, actually, the length of time can actually add to it if the repair was made improperly, then the stress fractures that could result in that pressure bulkhead and cause it to fail. but, you know, based upon the pictures i have seen and admittedly that is not the best pictures and the best way to look at it. it doesn't appear that that pressure bulk head failed. but, you know what, if they have had enough of a tail strike, we