Originally Posted by
Fraser
That's certainly a possibility. A few years ago when Eagle were flying out of a separate secure area to AA mainline I was able to go through security by saying I was accessing the Admirals Club. Although those two parts of terminal B are much closer together than terminals B and E.
Your situation was a little different. AC is not the same as a BA lounge. The security might not know the details of who could access the AC and might think your BP is sufficient.