Two Light Bulbs Cause Two Crashes

Two separate flights crash due to an issue with a light bulb. Eastern Airlines Flight 401 and United Airlines Flight 173 both crash due to a similar issue with light bulbs in the cockpit. As a result, major changes are made in the world of aviation. Find out what happened on this episode of Black Box Down. Follow us on Twitter and Instagram @BlackBoxDownPod. https://twitter.com/blackboxdownpod https://www.instagram.com/blackboxdownpod/ Sponsored by Manscaped. Get 20% off with free shipping with the code BLACKBOXDOWN at http://manscaped.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices