Searching through cat videos, I found this showing how bad the door lock can be if the steel lock biscuits have worn into the brass barrel...
My drivers door lock currently has no barrel in it as it snapped in half and fell out My work van door lock has survived on a single wafer in the barrel the past year. I have to shove it back in whenever I slam the door shut! I believe I have two spares somewhere but forgotten where. Maybe I will find them whilst I’m off work and tidying