I am hoping that we get a report on what problem, if any, is discovered and what fix it required. That knowledge is always useful to have.Think of it as advice for the future. If your new toy fails and all the food in your freezer spoils, you can always sue the prior owner and the manufacturer of the generator!
I do wonder about the natural gas fueled generators, because I now realize that the city gas line systems are a lot more complex than just an array of pipes. After that disaster in New York where they did not connect the pressure regulator sense lines correctly I realize that gas distribution is subject to flood damage as well as stupidity. That is an uncomfortable realization.