Originally Posted by Markonen

Quick update on my ITA Powertools to European AA.com booking saga from earlier. Long story short, I messed up and tried to book an all BA coded itinerary on AA, and that's something that will appear to complete but will never get ticketed. The actual booking for the European AA.com sites happens at bookaa.amadeus.com, and this will fail in a way that leaves only an Amadeus PNR in place, so AA customer reps will have no way to access your booking.

Solved by calling AA, choosing the "website support" option, talking to a bloke who managed to escalate this to someone who could cancel the booking by accessing AA's bridge between Sabre and Amadeus. Then rebooked on Priceline with zero issues.