Originally Posted by
dmo580
Got the dreaded message yesterday but too busy to figure out what's going on. I joked with my friend that I'd get SSSS but didn't think its likely with TSA-Pre/GE, but well... I did get it this morning.
Here is what I've noticed, if I get "This is not a Boarding Pass" and there is not a specific explanation as to why, it's SSSS. If it is for another reason such as validation of travel docs, there will be a message indicating the reason.