OP's question has been answered, but I'd just like to add that sometimes AC scores are reviewed. I SS-ed ~30 MSN scores, a few of them didn't go through because of error 17, and I received 1 score review.
My score and time were safe, barely above 3000 and I was using a range of 11-15 seconds. I did get a neomail saying my score was reviewed and accepted, so I'm thinking the review was kinda random.
I've also read people getting reviewed for 7k-ish scores.