Originally Posted by
threemiles
was incorrectly wired or mounted by LBAS. Spoilers were actuated on the wrong side. (mirrored) Pilots couldnt detect it during pretaxi check as the indicator shows spoiler activity only, but not on which side. Translation from Spiegel today.
That bit in bold is nonsense, as the synoptic display posted in post #22 shows - all spoiler panels are depicted individually on the display.