[cwillu]

This was the (regular) rear door that Alaska effectively papers over.

[cf1241290841]

Even if that is the case, it shouldnt been an issue. The DC10 problem was due to insufficient safety mechanism that allowed for crew to unknowingly close the door without engaging the safety lock.

[Animats]

Here's the safety mechanism for this door.[1]

[1] https://www.youtube.com/watch?v=9Zyxy3naQh0