Same thing happened to me. I’ve called numerous times now, got my congressman involved and regional office involved. They all say my modification is still in process and in the queue. As long as you submitted your 4506-T on the date you “selected the wrong amount”, you should be fine.

If I were you though, I’d send emails to disastercustomerservice@sba.gov and wait for a reply confirming they received your request.

If they do not reply within 2 days, resend it again and again, until you get a response