Originally Posted by
dustman81
Those under 12 can accompany their parent, if their parent has Precheck. Anyone over 12 would need to have Precheck on their boarding pass to go through the Pre line.
As long as you get the three beeps, there should be no reason to deny you access to the Pre line.
They don't give it out to anyone under 18, it's not that they refuse people entering the line.