HN39;
Perhaps we should look at the flap track too.
Things to note, (as per BEA conclusion that the flaps were retracted):
The flap actuator/drive has extended the flaps in this photograph from the
BEA Report No.2, (rotated and desaturated to make comparison easier). The lower photograph shows the same structure, (cropped from the larger one with the gear and rear-spar showing) and not only confirms that this is the right wing but shows the flap actuator in the "up" position, as per the drawing:
