F-35 engine fire news. "Potential design change" needed.

Maybe skip the "Five Alarm" chili next time? Officials are still tight-lipped about what caused an engine fire that caused the JSF to miss its international debut last month. The incident has almost certainly resulted in the loss of a quarter-billion-dollar airframe. All that has been released so far is that " excessive rubbing " inside the engine was the root cause. What is not know is whether or not this is an inherent design flaw, the result of flawed maintenance, or simply a fluke occurrence. USMC Commandant, General James Amos, has dismissed the mishap as "one-off" . Despite this nonchalant view towards the JSF's self immolation, the F-35 has undergone strict flight restrictions . These have been relaxed somewhat, but it is enough to slow down testing that is already far behind schedule. Now comes word that Pratt & Whitney, the manufacturer of the F-35's F135 engine, is close to developing a fix . The need for a desig...