Here is the right mounting flange area. It was shattered completely. I had some of the parts so I used a Dremel tool and ground the edges clean and beveled them so I could get some good weld/heat penetration.
And here it is after welding and filling in extra material to make a rough estimation of the second mounting lug. Later sanding and heating will get the shape more accurately finished.
And here is the left side, during and after
