September 5, 2009 12:26 am American MD-80 Concerns Federal regulators are investigating American Airlines over structural repairs to its aging fleet of MD-80 series aircraft. Wake Up to Something Good 1:54 School board elections underway in North Texas 2:09 School honors students killed in Allen mall shooting 1:32 Memorial unveiled for Allen Outlet Mall shooting 2:18 Johnson County EOC reacts to deadly weekend flooding 2:21 Fair Park finances and personnel under scrutiny