My FF Creator pro usually prints perfect, but it has now developed this weird problem, and this particular part I'm trying to print doesn't seem to come out well, no matter what I do...

I've been trying to print this PLA part along the x and y axis, 20% infill + 2 perimeters, 100% infill + 1 perimeter, with and without cooling, and seems like it's only starting to go worse. It's weird that most of one layer might print perfectly, but then there's one or few spots where the layers doesn't seem to fuse together at all, and it repeats it roughly at the same spot over many layers.


The problem seems to occur mainly when I'm printing parts with elongated shape, and now this particular part seems to be impossible to print, and I have no idea what's going on.