To get back to the foreign assets question, you can search for foreign assets and use the Jump to link. TurboTax does not support Forms 1040-NR, 3520, 8621, or 8865. See Forms not included with TurboTax. They must be obtained from the completed manually, and mailed in with your return. These forms can't be e-filed.
You will get the following screen after clicking the Jump to foreign assets link from the search results: