CBP officers at the "little black room" now are more trained and alert of
checking AP approval date and your departure date. The chance of getting
caught at airport now is much higher than just a few years before. there
was a person got caught early this year, got strong warning and threat from
the officer, but was still let in, she withdrew and filed another I-485
after entering to be safe while still less than 180 days of her last non-
immigrant status.