Regulacje i polityka gospodarcza · 05/11/1999

Boeing Proposes New Airworthiness Directive for 747 Series Airplanes to Address Fatigue Cracking

Boeing is proposing a new airworthiness directive for its 747 series airplanes to address fatigue cracking found in the forward and aft inner chords and the splice fitting of the forward inner chord of the station 2598 bulkhead, requiring repetitive inspections and repair if necessary.