Here are the photos. You can see that there are a lot of obstructions that the installers had to work around.
My problem was that the floor trusses were deflected quite significantly (1.5" over 8 ft.). Several of the metal connector plates were failing (peeling off) and at least one of the...
I had the same problem in my home with floor trusses. A structural engineering firm designed a very similar fix with plywood gussets on each side of the trusses. I can send photos and the drawing if that would help.