Transport i infrastruktura · 18/09/2012
The Boeing Company Proposes New Airworthiness Directive for 737-900 and -900ER Series Airplanes
The Boeing Company is proposing a new airworthiness directive to address fatigue cracks at chem-mill areas on crown skin panels of certain 737-900 and -900ER series airplanes, requiring repetitive inspections and repairs to prevent rapid decompression.