Airworthiness Directives; Construcciones Aeronauticas, S.A. (CASA) Model C-212 Series Airplanes

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This document proposes the supersedure of an existing airworthiness directive (AD), applicable to all CASA Model C-212 series airplanes, that currently requires replacement of the cover of the power control quadrant pedestal with a cover that incorporates slot protection. This action would require repetitive inspections for deterioration or damage of the slot protection installed in the cover of the power control quadrant pedestal. This action also would require eventual modification of the cover, which would constitute terminating action for the repetitive inspections. This proposal is prompted by issuance of mandatory continuing airworthiness information by a foreign civil airworthiness authority. The actions specified by the proposed AD are intended to prevent deterioration of the slot protection installed in the cover of the power control quadrant pedestal, which could allow foreign objects to jam or interfere with the power or trim control system and result in reduced controllability of the airplane.