Tupolev ANT-7/R-6 Restoration

I was browsing through the website for Jerry Yaegen’s Fighter Factory collection, and I was dumbfounded to find a Tupolev R-6 amongst the restoration projects. This one’s new to me, does anyone know any more about the specific identity and history of this example? Is it being restored to fly??

http://www.fighterfactory.com/restoration/tupolev-r-6.php