Regulation & law · 11/09/2002

Boeing Issues Airworthiness Directive for 747 Series Airplanes to Address Cracking in Upper Deck Floor Beams

The Federal Aviation Administration (FAA) has adopted a new airworthiness directive requiring one-time inspections for cracking in certain upper deck floor beams on Boeing Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-300, 747SP, and 747SR series airplanes to prevent rapid depressurization of the aircraft.