While that’s good to hear, I definitely won’t risk it again. Anything mechanical is a high risk anyhow.
In detail what happens is that air seems to come in from the side of the fold. At first it was a very small ‘triangle’ on one side but that extended more and more until now there are larger long bubbles at the side of the (vertical) fold which stay there. A bit hard to explain.
Anyhow, normal or not I now have to deal with that and really didn’t want to.









Local ansible playbook, easily replayable and documented. This in a git repo and you’re fine.