8938?

I have a question. I have a retired friend who has been advised she made too little to file a return. She will file her FBars of course but she also needs an 8938. Does that mean she has to file a full return? Or just the 8938?

Thanks

Found my own answer here:

https://www.irs.gov/businesses/corporations/do-i-need-to-file-form-8938-statement-of-specified-foreign-financial-assets

No - if you don't need to file a return.