KGO ABC World News Tonight With David Muir September 20, 2019 00:36:00
Oxygen masks suddenly dropping. during the terrifying moments. pilots putting the plane into a controlled descent into the middle of all this, as they tried to figure out what was happening. abc's david kerley covers aviation. >> reporter: these delta passengers say tonight they didn't know why their jet was suddenly losing altitude. >> initially, it was sort of a panic. and there wasn't really any forewarning. it was really just the oxygen masks dropped down. >> reporter: oxygen masks mean cabin pressurization problems. some of the frightened passengers texting their loved ones. delta says th...
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