I tried to link an AA itinerary to Tripcase today, and got an error that

"Oops, there’s a problem.
You cannot link this booking because this airline does not have a TripCase partnership agreement."

It worked fine yesterday.

Is anyone else noticing this?

Not sure if it's related - but a month ago an airport agent was complaining about Qik and said that AA has to pay Sabre less to use Qik than to use native Sabre, and that the switch was because AA is trying to save money.