While I am more interested in the cause of the accident than the consequent effects, I have noticed that there are some comments suggesting that the failure of the LHS Main Gear directly caused the LHS Wing to fail. While this may be correct, it is also likely that the failure of the LHS Main Gear caused the LHS Wing and Engine to contact the ground with forces likely to separate the Wing from the Body. So discussions of design issues related to failure modes of the Main Gear may not be relevant, because it is likely that the failure of one, rather than two Main Gear that is likely to be the main determining factor causing a roll to inverted.