Just to continue on a point of academic interest:
Originally Posted by Machinbird #1269 (p.64)
Question, does anyone know for sure what type of twisting component they were talking about? (...) And then of course, this was the translated version from the original French.
The original French text (BEA's 1st report) is:
Les déformations des cadres montrent qu’ils se sont rompus dans un mouvement vers l’avant avec une légère composante en torsion vers la gauche.
I believe it has been correctly translated. It refers to the S-shaped deformation observed in frames 84 - 87, illustrated again in the 2nd report.