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Local Asset Inventory Six Sigma Case Study

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Local Asset Inventory Six Sigma Case Study

  1. 1. Six Sigma DMAIC Project GEAE Account: Madisonville, KY Site Project Leader/Green Belt: Keri Chandler Project Leader Title: Customer Engineer, Certified Green Belt Project Start Date: June 7, 2002Master Black Belt: Steven Bonacorsi
  2. 2. Six Sigma in Action Local Asset Inventory Cycle Time Customer Profile – 18,000-Seat Aircraft Engines Manufacturing and Service CompanyBusiness Problem & Impact Process Capability – BeforeMadisonville does not have an easy way to track inventory. Thus USL = 60 secondswhen information is needed, someone must physically establish Mean = 96.5equipment location. StDev = 54.6Measure & Analyze Z_ST = 0.8Data Collection: Validated repeatability and reproducibility usingA stop watch. Collected 200 data points to see how long it takesto inventory equipment.Root Causes/Sources of Variation: Human error with themanual recording of data.Improve & Control Process Capability – After• Simulated pilots tests were run for each scanner type and USL = 60 secrepeated by two technicians to evaluate the best cycle time and Mean = 29.5functionality. StDev = 11.2• Improved the accuracy with scanned asset details with theremoval of manually recording multiple entries. Z_ST = 4.3Results/Benefits• Digitized technology decreased cycle time to < 1 minute• Benchmarked scanner cycle times, Improving process from96.5 to 29.5 seconds, to meet customer CTQ <= 60 seconds! A Total Savings of US $2,240

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