Well, what happens is when I load an approach on the IFD440, with the Advanced Flight Systems 5400 set on CDI/GNAV1 in both sites, the first approach loaded shows up on the APPLATE view (You get there by touching set, and choosing APPLATE). I have an account with Seattle avionics to keep my plates updated on a monthly basis.
Then, if you shoot an approach on, say, KBOI, go missed and then fly back to KEUL to shoot an approach there, I don't know how to/or somehow can't change the approach on the APPLATE view to KEUL. I am sure there is a way to do this, but so far I have not figured it out.
As for having these approaches, what approach plate system do you use? Do you have one for your Advanced system?
If not, then it appears that it won't transfer from the IFD440 to the AFS.
I hope this helps a bit.
Paul Collins
N8ZV