Bell crank inspection plate was pre-cut and pre-drilled at Zenith factory. drilled holes for screws to size and drilled and riveted nut plates to inspection cover plate. Inspection plate for fuel sender ETC, wass not pre-cut or pre-drilled, cut out plate per drawings and drilled it to pre-drilled holes in nose skin then drilled holes for nut plated and riveted nut plates to fuel inspection plate.
