Originally Posted by golfer20

Not to toot my own horn, but the availability is likely real and not phantom.

If the "we're sorry select another flight" page still shows the option you want, then you've hit the waitlist error with RJ. You need to call AA. If the page doesn't show your option anymore, then yes that is phantom space.

Just three weeks ago I ticketed an AMM-USA flight with the exact error being described here.