CNN Erin Burnett OutFront April 10, 2014 03:50:00
The surgery area has narrowed but after a month we still don't know what happened to flight 370. what lessons can we learn for the future of flying? anna cabrera is at the aviation repair and overhaul con venge in phoenix, arizona, where the industry is debating that question. >> reporter: we are at a gathering of agency insiders from airplane manufacturers to parts makers and suppliers to airline representatives. there's a buzz about the mystery of flight 370. everybody has a theory of what might have happened but people don't want to talk about that because no one really knows. instead the c...