Welcome to WebmasterWorld Guest from 126.96.36.199
Please be aware that changes required by Google AdWords in order to make QS better are enormously big, in other words, almost new site. I havenít heard (or experienced) that alterations here and there ever affected QS.
If you are able to copy the page to a new URL and create a new ad variation with that new URL, that can help prompt a visit from AdsBot. But the main drawback of doing that is that the new ad won't have the same quality score history as your current ad. It's worth trying, though...better than waiting up to 2 weeks. If it doesn't do anything useful, just pause the new ad that you created.