Aging Aircraft: Cracks in USA’s F/A-18 fleet

http://www.defenseindustrydaily.com/Aging-Aircraft-Cracks-in-USAs-FA-18-fleet-05131/

March 12/10: U.S. Naval Air Systems Command grounds 104 U.S. Navy and Marine Corps F/A-18 A-D Hornet fighter jets, about 16% of the Navy/USMC Hornet fleet. The location was not specified, except to say that they were in a "high stress focus area" that engineers already knew about, and appears to be on the wings.