Regulacje i polityka gospodarcza · 02/11/1995

Boeing Proposes Expansion of Airworthiness Directive for 737 Series Airplanes

Boeing is proposing to update its airworthiness directive for the 737 series airplanes to include all models and require more frequent leak checks of lavatory drain systems, as well as the installation of a cap or vacuum break on the flush/fill line to prevent 'blue ice' damage.