Originally Posted by
Frusciante
I am confused as well.
If you look at DC ESS BUS FAULT, it says the same thing as ENG SHUTDOWN but if you look at the QRH Distance table there are two cases with and without ice acc. So in this case it does not apply only to ice acc.
Quick guess here, but without ice accretion the distance is increased due to SPLR 3 inoperative. With ice accretion, the distance is increased due to SPLR 3 inoperative and also the increased VAPP due to the inoperative wing anti ice (minimum speed VLS + 10kt).