Insufficient clearance between a wire-bundle bracket screw and a hydraulic pipe feeding an engine component on certain ATR aircraft is causing damage to the pipe, leading EASA to call for modifications of the bundle routing. “Several occurrences were reported of finding interference and chafing between a propeller brake hydraulic pipe and an electrical wire bundle bracket screw installed in the underwing box of the right-hand (RH) engine nacelle,” EASA explained in a draft ...


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