Originally Posted by
MechEngr
The plug will be an exit door with an internal panel to cover access to the release mechanism so no rivets or hiloks. In that case I'd guess the exit door wasn't properly latched before the interior panel was installed. Queue up an inspection of all such installations.
That would seem to follow with the image of the striker plates for the panel to secure against. It would follow that there is a set of locks somewhere along the sides to hold the plug in place. Not a good look. EAD to follow...
From FR24, Airliners