Originally Posted by
vs69
If your exit is of the non plug type like a jumbo upper deck for instance then the flight lock stops the handle being moved with weight off wheels. Just a basic solenoid that engages in the handle and usually fails in a way so as not to inhibit door opening. Can't vouch for the 767.
Weight off wheels? Does that mean that in the event of failed gear/a belly landing, that the exits won't open? If so, that doesn't seem like a good idea.