including the mechanics and, yes, experts say that this smacks of deliberately taking these seats and loosening them or, yes, sabotage. but, look, the faa and a lot of experts have said there is absolutely no evidence of sabotage, and they cite a couple reasons. one, because the seats were removed and replaced at different maintenance facilities, and all of these 757s in question have the very same configuration. but everyone agrees if it's not sabotage, it is certainly sloppy because it wasn't just a few rows. after the faa checked this out, maintenance investigators checked this out, they found more than a dozen rows that were loose. here's what a pilot said to air traffic control after he took off, and i'm quote withing here: >> reporter: and now listen to what one of the passengers whose son was in the seat said.