![](https://flightsafety.org/wp-content/uploads/2021/08/door-disbonding-atsb-e1627933304384.jpg)
Separation of the layers in a corner of the emergency exit door on a 42-year-old Cessna 441 Conquest II led to the rapid depressurization of the airplane during a July 2020 charter flight in Western Australia, the Australian Transport Safety Bureau (ATSB) says.