7 hospitalized after smoke fills crowded flight

Hawaiian Airlines said a seal failed in the aircraft's left engine, causing oil to leak on hot parts of the engine and air conditioning pressurization system.
2:03 | 08/23/19

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Transcript for 7 hospitalized after smoke fills crowded flight
This morning, there are new developments in the effort to protect consumers against those annoying robocalls. Major phone companies are now working with the attorneys general from all 50 states in D.C. To crack down. The companies will offer free call blocking tools for cell phone customers. No time line yet about when it will happen. By the way, in case you were wondering Americans get about 5 billion robocalls each month. Half of them on my cell phone. A plane leaving California with 177 passengers on board filled with smoke. The passengers and crew members using an evacuation slide to escape. Our senior transportation correspondent David Kerley has the story. David, wow, this was really a terrifying final 20 minutes of this flight for these guys. Reporter: Very scary, Cecilia. The first warning was ominous and passengers knew immediately something was wrong when the cabening filled with acrid 20 minutes before landing this jet suddenly fills with smoke. It was very, very terrifying and I thought I was going to Reporter: Nearly 200 passengers on board the flight from Oakland. They came by with some wet cloths for everyone to breathe through with the smoke because it was really getting thick. Reporter: The initial warning, smoke in the cargo hold, the pilots declare an emergency. Hawaiian 47, visual four right emergency aircraft. We will be evacuating on the runway. Emergency personnel are standing by. Everybody on board was very nervous. Babies and children were crying and screaming. Reporter: As soon as the jet stops, they deploy the slides. Five adults and two children taken to the hospital because of smoke inhalation. Hawaiian airlines says an engine seal failed allowing hot oil to burn and bleed into the cabin air system. Now, some airlines use an oil preservative that contains a carcinogen. Hawaiian airlines has not responded of whether or not they use that chemical in their oil. George. David Kerley, thanks.

This transcript has been automatically generated and may not be 100% accurate.

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