The Federal Aviation Administration this week ordered inspections for hundreds of Boeing planes, following reports of cracks in some older models. The now-finalized rule, which was unveiled Thursday and kicks in Sept. 10, applies to certain aircraft under three Boeing 737 Max models: the 737-8, 737-9 and 737-8200. Watch NBC6 free wherever you are WATCH HERE WATCH HERESo far, no cracks have been found in these specific Max models. The Max jets have “a similar design and build process” to the older models, “making those airplanes susceptible to the same crack condition,” the FAA wrote in November. Just last month, the FAA said Boeing would again be allowed to take responsibility for certifying all of its 737 Max and 787 planes.