Regulacje i polityka gospodarcza · 28/09/2009
Boeing Proposes New Airworthiness Directive for 747 Airplanes to Address Cracks in Main Entry Door
Boeing is proposing a new airworthiness directive to inspect and address cracks in the upper main sill of the main entry door on certain 747 airplanes, in order to prevent loss of structural integrity and ensure safe flight operations.