TL* THE CONTACT OWNS A 1998 FORD F-150. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 50 MPH, THE FUEL TANK DETACHED FROM THE VEHICLE AND CAUSED SPARKS WHEN IT FELL ONTO THE GROUND. THE CONTACT NOTICED THAT BOTH FUEL TANK STRAPS WERE CORRODED, AND APPROXIMATELY 10 GALLONS OF FUEL LEAKED OUT FROM A HOLE IN THE FUEL TANK. THE VEHICLE WAS TOWED HOME AND WAS NOT REPAIRED. THERE WAS AN INVESTIGATION UNDER NHTSA ACTION NUMBER: EA11006 (FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:MOUNTING FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:MOUNTING) THAT MAY BE RELATED TO THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 160,000. THE VIN WAS NOT AVAILABLE.