The bus sustained a front impact to the side of the front wheel well area. Here's the area behind the front door. Lots of bondo, bad welding and rust. This area usually rusts anyways, even without the poor repair job.

I read somewhere that almost no restoration is performed without bondo these days. I met an old guy once that used lead as filler. I'm OK with bondo now, but I really hate it when you realize that almost no work was done underneath.

Unfortunately there were several areas with poor repair and over the years the rust did its job (as best it could) to get rid of the bad welding and bondo. The worst area is the front jack point, where they did a crappy job welding in a replacement jack point (or tried to straighten it out) and there is a bunch of mutilated metal in there. It really needs to be cut out and a new section welded in.

The bondo actually extends along the entire dogleg. The bottom door as well had bondo. This means replacing the dogleg and drivers door.

The front floor was also rusted out, a victim of leaky windows.

I would later find out that there was damage to the front trailing arms, probably bent during the side impact.