by Bill Carey
The U.S. Air Force has suspended flight operations of 15 Lockheed Martin F-35A fighters to repair insulating material around an avionics cooling line in a fuel tank, the F-35 Joint Program Office (JPO) announced on September 16. The problem also affects 42 fighters on the production line.
During recent depot modification of an F-35A at the Ogden Air Logistics Center at Hill Air Force Base, Utah, insulating material from an avionics cooling line was found detached from the line. Under certain conditions, the material could obstruct fuel flow in and out of various fuel tanks, the JPO said.
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