I thought it was near impossible to go through clear with a Porter Cable. The area had already grown before I tried wetsanding. What is throwing me is that I didn't get any blue on the sandpaper when I sanded. In the end, however, I think repaint is the only fix.
This area first appeared immediately after correcting the paint with microfiber pads. When I first noticed the trouble area, it was about a third of the size. Some adhesive-like residue formed when I rubbed it with my finger. I did an extra Isopropyl Alcohol wipe down, reclayed, and made another...