Transport i infrastruktura · 26/11/2012
Boeing Issues Airworthiness Directive for 747-100 to 747SP Series Airplanes Due to Main Entry Door Cracks
The Boeing Company has adopted a new airworthiness directive for its 747-100 to 747SP series airplanes to address reports of cracks in the main entry door number 1 upper main sill outer chord, which could compromise the structural integrity of the aircraft.