I know a crew member from Air France was killed when she fell out the door, The steps were taken away without her knowing, she turned round and well I say no more.
What I will say is at easyjet when doors open and steps in place, they can not be removed until the crew member as passed a permit to remove steps form for that particular door to the ramp staff who are at the top of the steps. Then the door has to be closed straight away, then steps removed.