I don't know if you'd find any example for rent but FTC is a complex topic.  If you have not already, you should study in details Pub 547 and the instructions for F.1116.  You will learn a lot from these readings and various concepts are explained - although these are still difficult reads, it'd be worth the while.

In case you are not comfortable preparing returns with international elements, at least for now, you would be well advised to farm the return out to someone who is more experienced in this area.