So I finished leak checking the left wing auxiliary tank and no leaks. I went to install it on the wing and all the clecos line up and both mount ends bolt in. For some reason the middle mount is off. I double and triple checked the instructions and I am confident it is assembled correctly. I didnt have this problem on the right wing. I will reach out to technical support for further guidance. Right now I am thinking I will remove the nut plates on the middle mount, elongate the holes, drill new holes for the rivets to hold the nut plates and I think that will work. I'll let you know what I come up with.