we thought everybody could get off. like i said, there wasn't any screams. there wasn't any noise coming from the plane. so you felt that everybody was under control. and was getting off. >> it was a real mixed bag of emotions. of course we were thrilled to have survived such an incredible ordeal. and to realize that some people had not survived was still upsetting. >> immediately after the accident, investigators focused on finding the source of the fire. >> the investigators knew early on that they had had a fire of likely electrical origin because of the amount of damage done in the lavatory area. the circuit breakers that popped early in the flight were contained to the flush motor on the lavatory, the sernt of the fire damage. investigators immediately suspected arcing event. >> the electricity that is