Air Crash Investigation: Season 15, Episode 4

15 - 4: Deadly Detail

After a one-hour flight from Taiwan, China Airlines Flight 120 touches down in Okinawa, Japan. The pilots park the Boeing 737 and switch off the engines. But just as they complete the shutdown checklist, a fire erupts and the aircraft is engulfed in flames. Incredibly, everyone on board escapes the inferno without injury. But the disaster leaves an international team of investigators with troubling questions. The hunt for answers seems like an endless quest as the smallest components come under intense scrutiny. The analysis eventually leads to a stunning discovery-the tiny failure that doomed Flight 120 is endangering lives around the world.