According the "Swiss Transportation Safety Investigation Board STSB" notification, this incident began at a distance of 90 nm from Zurich LSZH, 50nm north-west of Basel, which corresponds roughly to Luxeuil LFSX. As the preliminary description of the problem is given: "electrical fume and light smoke formation in the cockpit".
See also:
http://www.sust.admin.ch/pdfs/AV-berichte/QTR778_e.pdf
Quite a different info compared to the original report on AVHerald...