Transport i infrastruktura · 25/11/2013
Boeing Issues Revised Airworthiness Directive for 747 Airplanes
The Boeing Company is revising its Airworthiness Directive (AD) to require repetitive inspections for skin cracks on certain 747 models and take corrective actions if necessary, in an effort to detect and correct fatigue cracks that can lead to structural integrity issues and sudden decompression.