All postings are welcomed on here obemom. Even if they are negative or positive. It’s always good to have information that is real & can be backed up. So don’t think you shouldn’t post. Have a great day!
I have seen FAA aircraft checking the airports' radar at different airports that I have worked at. I don't know how often these checks are done. Aircraft have different system checks usually required annually or biannually, I think that this is probably just a routine check.