Regulacje i polityka gospodarcza · 23/09/2016
The Boeing Company Proposes New Airworthiness Directive for Certain 707 and 720 Series Airplanes
The Boeing Company is proposing a new airworthiness directive to modify the fuel quantity indicating system on certain Model 707 and 720/720B airplanes to prevent potential fuel tank explosions, following fuel system reviews by the manufacturer.