China's aviation authority said the black boxes of a China Eastern Airlines Boeing 737 jet that crashed last month were badly damaged and it was still recovering and analyzing the data to help determine the cause. #China #PlaneCrash #BlackBoxes #News #Reuters Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: http://reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en