Twin Turbo provided those dates in June and plainly said "this info is subject to change"
People are looking for current information, not info from 3 1/2 months ago.
I've always heard "charge off" in terms of a debt that you didn't pay and the debtor wrote it off... i.e. to me, it sounds like they think you had a change on your credit report rather than something related to that accident. May want to check your credit report to make sure there is nothing...