Thank you for your reply galdian!
I've thought of that possibility, but in the sim when I have both engine flameout (no damage), both IDG gone at the same time, TRANSFER BUS OFF/SOURCE OFF/GEN OFF BUS lights on, and I'm down to standby AC power,YAW DAMPER gone too since SMYD computer is not powered. Maybe because of different sim setup? And I can't find min N2 for IDG to work properly.
Thank you anyway!
Best Regards!