KG, I have a friend with a 00 PA. He, however, rather enjoys "shock value" and any chance to show off his cock. Much to his disappointment, when he goes through security, they ask and he tells them "I have body jewelry, a PA... wanna see?" and they usually just say "no, thanks, just please remove metal jewelry before security in the future." If you are matter-of-fact about it, usually no problem. If you are embarrassed (which they will read as nervous) they will more than likely be more interested. Of course, the best answer is - if your piercing is healed, simply leave the hardware in your carry-on until you arrive at your destination. You also have the right to request a same-sex agent if they insist on a more thorough search.