Four flight attendants on the Alaska Airlines, 737 MAX 9 plane that experienced a mid-air cabin panel blowout in January last year are suing Boeing for physical and emotional injuries.

Footage captured by passengers on the flight showed a gaping hole left by the door as pilots made an emergency landing last year.

Four flight attendants sue Boeing, alleging negligence caused permanent harm in 737 MAX door blowout. Crew claims manufacturer knowingly allowed unsafe aircraft to fly.