Transport i infrastruktura · 19/11/2010

The Boeing Company Model 747 Airplanes: Revised Airworthiness Directive to Prevent Fuel Tank Explosions

The Federal Aviation Administration (FAA) is revising an earlier proposed airworthiness directive for certain Boeing 747 airplanes to prevent electrical current from flowing into fuel tanks, which could lead to explosions. The revised directive requires replacing production-installed laminate phenolic spacers with metallic spacers between fuel jettison motor-operated valves and airplane structure.