Originally Posted by
Air Houston
It could be a temporary weekend issue. Things sometimes appear messed up on Saturdays and are normally back to normal by Sunday evening.
The wheels fell off mine 10 days ago, so it wasn't just a weekend thing. It was really odd that I rentered it. Maybe I didn't hit 'continue' on the bottom. That was late Wed or Thursday night.
ETA: Thread got merged and I didn't realize it. I thought three pages was a bit fast.... I searched for 'Known traveler number lost' and didn't see this thread.
I don't think everyone has to check theirs, but if all of a sudden you lose pre-check it is worth checking.