Adding value by auditing using the process- and metric-driven approach requires new methods and an increased focus on supplier performance metrics (i.e., scorecards). A change in how auditors work the process approach is evolving, with more sophisticated techniques, more rigorous testing and increased objectivity. In today’s competitive economy, all parties involved in audit processes need to be knowledgeable in process auditing methods to get more value. Balanced feedback in audit reporting helps drive improvement in manufacturing and in its support processes. The key question remains: How can we prove the effectiveness of the system?

Process- and metric-driven systems are validated using various indicators. Indicators of implementation and effectiveness include:
• Delivered part quality performance
• Customer disruptions, including field returns
• Delivery performance, including incidents of premium freight
• Customer notifications related to quality or delivery issues

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