Airworthiness Directives; Airbus Industrie Model A300, A310, and A300-600 Series Airplanes Equipped with Dowty Ram Air Turbines

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This document proposes the supersedure of an existing airworthiness directive (AD), applicable to certain Airbus Industrie Model A300, A310, and A300-600 series airplanes, that currently requires repetitive deployment tests of the ram air turbine (RAT) and checks of the adjustment of the locking rod. This action would require modification of the RAT, which would terminate the repetitive tests and checks. 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 ensure the availability of the RAT in case of need.