It was too much rudder. The wind was from the right. He landed crabbed to the left, almost in a forward slip.

Looks like he had it pretty much lined up in the flare and then gave full left rudder at the last minute.

Umm … I don’t think so. It looked as though the actual touchdown occurred with the longitudinal axis pretty much “down the runway.” I agree with you that just prior to the landing, the pilot had pretty much lined up in the flare and everything looked good. But, to me it looked as though the pilot either sensed, or recognized, the beginning of a very slight, further roll, to the right … and I think he just might have “over-controlled” a left-wing-down correction … and when he realized that he had over-controlled to the left, he made another, quick roll control input to the right. Unfortunately, the amount of the right-wing-down correction went just a bit too far into the range that raises the roll-control spoilers on the right wing. Just prior to gear contact, you can see the right roll-control spoilers raise … just a bit … but at that point, just a bit of spoiler lift can result in a relatively good acceleration in the lateral axis. It was that movement that effectively put the right gear on the ground – clearly prior to when it would have touched if the pilot had maintained what he had just prior to those last corrections. If there was, indeed, an initiation of a right-wing-down roll, the pilot could likely have resolved that issue with about 1/3 of the left-wing-down correction he actually used – and I think the control he actually used was more of a “knee-jerk” reaction, than a smooth, deliberate control input correction … and he paid the price. That is a lesson we should all recognize and file away for future use.

Hindsight is always 20/20 … and we all have the luxury of watching and rewinding to our hearts content – that pilot had to “do” what he saw, felt, and heard. It appeared to be a touchdown somewhat harder than it could have been – but, I would suspect that it wasn’t as “shocking” to those on board as it was to the on-lookers – specifically including all of US!

That would be roughly the empty weight without an impact.

Does anyone know what kind of forces the landing gear is dealing with on a loaded A380 having a rough landing?