I'm fine with cutting out the rolls, I just included them as it's a way to show an effort on grey's part to imprint this 'lesson' onto bullpen about the conseqences of cocking up, helped along getting a chance to vent off the gallons of adrenaline that have just been dumped in his bloodstream.
If you do want to stick with the rolls, 7d6 looks fine, if not I'll repost, but I'm with RHat that the dice stay a framework, otherwise what's the point of RP