When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
You’re looking at the nut, which is spot welded in place. The bolt head is on the opposite side. The bolt should be horizontal, it looks like the sheet metal is bent about 90 deg. Pry the flange straight again and you’ll have access.