Originally Posted by
hemorej
I'm trying to help someone with this question.
It was at Sacramento Airport and they got "NG NS" written on their boarding pass right before security. They both went through the same metal detector, neither beeped nor had random checks. Flying to Edmonton through Seattle connection.
What does NG NS mean ?
At least one set of letters is probably the TSA agent's initials. The other may indicate which security checkpoint they passed through.
Since no one in the security process typically looks at a boarding pass after the initial ID check, the fact that they went through metal detectors and didn't get beeped or randomly checked is irrelevant to the boarding pass initials. (Stated differently, if either was due for extra scrutiny, it wouldn't occur because of what the TSA agent wrote on the boarding pass unless he/she also called over another agent to indicate that additional screening was necessary.)