Regulation & law · 28/12/2009
FAA Revises Airworthiness Directive for Boeing 707 and 720 Series Airplanes to Prevent Fuel Tank Explosions
The Federal Aviation Administration (FAA) is revising an existing airworthiness directive for Boeing 707 and 720 series airplanes to clarify the requirements for fuel tank system components and prevent potential ignition sources that could lead to fuel tank explosions.