Regulacje i polityka gospodarcza · 23/10/1996
McDonnell Douglas Model DC-9 Series Airplanes to Undergo Enhanced Airworthiness Directive
The FAA proposes a new airworthiness directive for the McDonnell Douglas DC-9 series airplanes, requiring visual and eddy current inspections of the fuselage upper skin under antennas, followed by improved ADF antenna installation procedures, to prevent corrosion and fatigue cracking issues.