BD pilots DID refuse to fly the aircraft because they could not have confidence in the behaviour of the FADEC. As I wrote on this thread earlier, Jon and Rick briefed all FADEC emergencies in the minutes before the flight because they were not confident in FADEC performance. Jon expained the wacky things that had been reported over a coffee. They were not happy flying the Mk 2, that is fact, because they said so to me less than 1 hour before lifting.