A method of manufacture is provided that includes providing a preform component. The preform component includes a blind aperture in an exterior of the preform component. The exterior of the preform component is machined to provide a machined component. An exterior of the machined component is inspected to determine a characteristic of the machined component, which characteristic of the machined component is associated with the blind aperture. Whether a feature of the machined component satisfies a standard is determined based on the characteristic of the machined component.