Finding assembly line inefficiencies that resulted in a high failure rate was one of the effective quality audits I carried out in a manufacturing environment. We found that a particular machine calibration problem was the source of inconsistent product dimensions by examining production data and performing root cause analysis. Defect rates decreased by 35% in three months following the implementation of automated quality inspections and the improvement of standard operating procedures. The main conclusion was that real-time monitoring and proactive audits can stop flaws before they become more serious, increasing productivity and product quality.