Airworthiness Directive · Amendment 39-12960 · McDonnell Douglas Model MD-90-30 Airplanes
McDonnell Douglas Model MD-90-30 Airplanes
Model MD-90-30 airplanes, as listed in Boeing Alert Service Bulletin MD90-25A070, Revision 01, dated February 26, 2002; certificated in any category.
This amendment adopts a new airworthiness directive (AD), applicable to certain McDonnell Douglas Model MD-90-30 airplanes. This action requires replacement of the Captain's and First Officer's chart holder assemblies on the cockpit control columns with new, improved assemblies. This action is necessary to prevent interference between the cockpit control wheels and the chart holder assembly, which could result in restricted movement of the control wheel travel when rotating the right- and left-wing-down, and consequent reduced controllability of the airplane. This action is intended to address the identified unsafe condition.