People thought they might die when oxygen masks deployed on a United flight to Maui, passenger says

• Oxygen masks deployed on a United flight from San Francisco to Maui last week.
• A passenger said people on the plane were terrified, and he was planning what to do if it went down.
• Another recent United flight, which was also a Boeing 777, had oxygen masks "inadvertently" deployed.

Ryan Scott, a chef based in Marin County, California, was heading to a Hawaii vacation with his family of four when he suddenly found himself in a scene out of a nightmare.