CNN CNNI Simulcast April 24, 2014 07:39:00
Inspection of the door that locks the cockpit because if, in fact, somebody was trying to break into the cockpit, there would be evidence easily observable on the door itself. >> reporter: the cockpit voice recorder could be revealing but it records over itself every two hours. the critical piece about 40 minutes into the flight. >> you don't get the bits where it first changed course, and that's what we really want. so we don't know who changed course. we don't know who was in control that particular moment. >> reporter: the condition of the airframe, the seams holding it together, could prov...