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Airworthiness Directives; McDonnell Douglas Model DC-10-10, -15, -30, and -40 Series Airplanes, KC-10A (Military) Airplanes, and Model MD-11 Series Airplanes
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Zusammenfassung
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain McDonnell Douglas Model DC-10 and MD-11 series airplanes. This proposal would require the installation of retainers and supports at the lateral control mixer bracket on the center of the wing rear spar of the airplane. This proposal is prompted by an analysis conducted by the manufacturer, which revealed that failure of a lateral control mixer bracket could result in uncommanded deployment of the spoiler. The actions specified by the proposed AD are intended to prevent inadvertent asymmetric deployment of the spoiler, which may lead to reduced controllability of the airplane.