Detailed text transcripts for TV channel - CNN - 20100311:16:18:00
Engine oil mist to enter the cabin. >> there was a little bit of oil that seeped into that system, and that's what caused -- it vaporizes and that's what caused the symptoms of the passengers. >> reporter: how coulding in oil mist enter the air on board a plane? well, half of the air we're breathing in the cabin comes through the jet engines. it's called bleed air because it bleeds off of the engines and then travels through the wings and into the cabin where it mixes with recirculated air. engine oil contains a toxin that can cause neurological damage. carrie williams, who is a flight attenda...