1. No one died, unlike Columbia, there won't be a Congressional committee put together on this.
2. Even if there was a congress committee/investigation done, what changes can actually be instituted? Block any more Russian modules?
That's requiring putting pressure on a foreign country to make changes where the relationship runs a knife edge balancing act of frenemy.
The Russian space program is a shell of its former self since ~2010.
The most realistic course of action (at this moment) of any corrective recommendation is to remove them from the ISS. They've been threatening pulling out for a few years now, so let them?