The plane is 7 years old. This isn’t a Boeing issue, this is a Southwest maintenance issue. Engine cowlings are regularly removed for maintenance. If a latch or latches aren’t properly secured or suffer from excessive wear then this is the outcome. I get the disdain for Boeing, but it should be based on issues of their negligence, not the negligence of their customers.

This post may have the answers you’re looking for. https://lemmy.world/post/1865680