Originally Posted by crazyanglaisy

A frustrating evening. I booked an avios redemption through the "back door" route that has been well described in this thread, got to the check in desks at Heathrow only to find out that they had no record of me being booked on the flight. When I showed my booking on the app, complete with what was apparently a valid ticket number, they were stumped. It finally got resolved after a few behind the scenes phone calls, and an apology blaming the system, but goodness me that was a bit close for comfort...