New details are out on the tragic plane crash in South Korea. Investigators have combed through the remnants of the destroyed Jeju Air jet to recover flight data from the plane's black boxes. That data will help investigators find out why the aircraft's flaps and landing gear were never deployed. On Sunday, 179 of the 181 passengers on board died in the crash. This news comes as officials confirmed a second Jeju Air jet experienced a landing gear problem Monday More local videos here: https://youtube.com/@9news Subscribe to NEXT: https://youtube.com/@Nexton9NEWS Stay connected: 9NEWS Website: https://www.9news.com/ Facebook: https://www.facebook.com/ilike9news Twitter: https://twitter.com/9NEWS Instagram: https://www.instagram.com/9newsdenver/ Download the 9NEWS App: https://www.9news.com/appredirect/ Sign up for the 9NEWSLETTER: https://www.9news.com/email 9NEWS (KUSA) is located in Denver, Colorado.