Yes, you can if it is an emergency. You should also verify that your travel will not cause you other problems with your immigration case, consult with an attorney.
I am not sure I got it whether you have the AP already or not. Yes, to your question. You can do it. You can go there and ask to be fingerprinted sooner.
NYC EXPERIENCED IMMIGRATION ATTORNEYS www.myattorneyusa.com; email: email@example.com; Phone: (866) 456-8654; Fax: 212-964-0440; Cell: 212-202-0325. The information contained in this answer is provided for informational purposes only, and should not be construed as legal advice on any subject matter.