Final Push

T8, E5: Two nearly identical air disasters, nearly 12 years apart, each involving the MD-11, a popular cargo-carrier. The first accident was blamed on pilot error. Would investigators of the crash of FedEx Flight 80 at Tokyo's Narita Airport reach the same conclusion? Or could a hidden plane design flaw be endangering the lives of passengers and crews around the world? Follow the NTSB as they study wind shear, flight data recordings, and even the pilots' sleep patterns in an investigation that would raise a flag on the dangers of bounced landings.