CNN CNN Newsroom With Poppy Harlow March 8, 2015 22:07:00
Recorder. our anna koran is covering the story in kuala lumpur. >> reporter: hi poppy. you are absolutely right. that battery expired in december 2012. it's a maintenance issue which is a major oversight. did that hinder the search operation because that battery had expired? well we really don't know. obviously, the battery will still operating in the cockpit voice data recorder and there was some sort of beacon pings being emitted and as far as the flight data recorder that battery had expired. in that interim report which came out on the very day of the anniversary, the other things that it ...