"EVERYTHING IS OBVIOUS once you know the answer"
"EVERYTHING IS OBVIOUS once you know the answer" by Duncan J Watts, a former officer in Royal Australian Navy, PhD in theoretical and applied mechanics from Cornell and a professor of sociology at Columbia, is a book worth reading while waiting for the AAIB Report.
I don't know much but I doubt it will be one thing going wrong. Witnesses heard unusual noises early in the flight and the 95 litres remaining might not have been sufficient for fuel to reach the engine(s) in certain conceivable circumstances.