Regulation & law · 19/10/1999

Boeing Proposes Airworthiness Directive for 747-400, 767-200, and 767-300 Series Airplanes Powered by PW4000 Engines

Boeing is proposing a new airworthiness directive to address damage and wear issues with the auxiliary track assembly of its 747-400, 767-200, and 767-300 series airplanes powered by Pratt & Whitney PW4000 engines, requiring repetitive inspections and eventual replacement of the affected parts to prevent potential safety risks.