Complex sentence: Biman is retiring the last two of the remaining McDonnell Douglas DC-10s in passenger service in the world (S2-ACP & S2-ACR); one ended it's economic life on 10 November 2013 and is set to be locally scrapped.
Split into simpler sentences: Biman is retiring the last two of the remaining McDonnell Douglas DC-10s in passenger service in the world (S2-ACP & S2-ACR). One of them ended it's economic life on 10 November 2013 and is set to be locally scrapped.