Yes, there is a little hickup and if you listen att slowest speed you can hear that the fourth note of the run is played twice. I could be intentional but probably not.
Don’t get me wrong now, musically there is NOTHING wrong with the original version. Is sounds absolutely amazing and I could never play it that good! One of my favourite licks! Probably due to perfect timing, authority and consistent picking attack.
I looked a bit closer though at the Dave Escobar video I posted earlier and, although it really doesn’t matter, it’s not exactly what I think the lick really is. Here is what I THINK Petruccis original line was written to be. And before the hate… I know I’m being a complete jerk now. Who am I to correct a legendary solo? But since we’re really digging into this particular lick, this is my guess: