Originally Posted by
AerialPerspective
We all know this has happened before, it won't be the last time. Back in the old days we used to open the 747 doors from the outside. For two good reasons. 1/ We can see if the Girt Bar had failed to disengage in which situation we would give the CC the thumbs down and call an Engineer. 2/ Even if the door is armed, when opened from the outside there is a mechanism that automatically disarms it (or should) but ONLY when opened from the outside.
Same on the baby bus so reckon probably the same on the big bus!