mm43;
In my mental 'model' the right wingtip digs in at about the same time as engine #1. Due to the difference in moment arm, the yawing moment imparted by the wing tip may well be greater than that of engine #1.
lemurian;
From page 27 of BEA's #2:
The part of frame 87 that can be seen had undergone S-shaped deformation: the left-hand side forwards, and the right-hand side backwards.