Solo 401K and UBIT

[Gautam Venkatesan]

If I plan to use funds in my Solo 401K to invest in a turnkey rental property (meaning a property that is rehabbed by a 3rd party, purchased by my 401K, and managed by a 3rd party) is that considered a "passive" investment thereby not incurring UBIT?

I've read differing opinions on this topic and would like an experienced hand to provide his/her opinion... paging @Steve Hamilton II or @Amanda Han :)