The FAA has ordered hundreds of Boeing 787 Dreamliners to undergo inspections.It comes after a Latam Airlines jet suddenly dropped 400 feet in March, injuring dozens.Investigators found the captain's seat, which had a loose switch cover, involuntarily moved forward. Sign up to get the inside scoop on today’s biggest stories in markets, tech, and business — delivered daily. Read preview Thanks for signing up! Go to newsletter preferences Thanks for signing up! Access your favorite topics in a perso ...