The Alaskan Air 737 Max plug door blow out was an interesting 'accident', from the comfort of my couch.
There has been lots of info and speculation circulating about the failure.
This article provides a bit of a deep dive into the differences between aircraft doors and 'plug doors'.
#737Max
Here’s The Difference Between ‘Plug Doors’ And ‘Door Plugs’ And How Both Keep You From Blowing Out Of A Plane