What could cause the strange part on the right? The whole surface should be the same, it's a 90° wall, so nothing that should look like this. Can't see anything strange in OrcaSlicer. BambuLab A1 Mini with Creality PLA+
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It looks to me like your printer is printing on slightly melted plastic. I don't use orca or a Bambu, so I don't know if you're able to do this, but I would try printing that section slower, or changing the minimum layer time. It looks like that's a small cross section so it's probably finishing the layer and starting the next before the previous one has cooled down.