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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, 2002

Master Black Belt: Steven Bonacorsi
Six Sigma in Action
                                                            Local Asset Inventory Cycle Time
 Customer Profile – 18,000-Seat Aircraft Engines Manufacturing and Service Company
Business Problem & Impact                                              Process Capability – Before
Madisonville does not have an easy way to track inventory. Thus
                                                                                        USL = 60 seconds
when information is needed, someone must physically establish
                                                                                        Mean = 96.5
equipment location.
                                                                                        StDev = 54.6
Measure & Analyze                                                                       Z_ST = 0.8
Data Collection: Validated repeatability and reproducibility using
A stop watch. Collected 200 data points to see how long it takes
to inventory equipment.
Root Causes/Sources of Variation: Human error with the
manual recording of data.
Improve & Control                                                       Process Capability – After
• Simulated pilots tests were run for each scanner type and
                                                                                         USL = 60 sec
repeated by two technicians to evaluate the best cycle time and
                                                                                         Mean = 29.5
functionality.
                                                                                         StDev = 11.2
• Improved the accuracy with scanned asset details with the
removal of manually recording multiple entries.                                          Z_ST = 4.3


Results/Benefits
• Digitized technology decreased cycle time to < 1 minute
• Benchmarked scanner cycle times, Improving process from
96.5 to 29.5 seconds, to meet customer CTQ <= 60 seconds!


                                    A Total Savings of US $2,240

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Local Asset Inventory Six Sigma Case Study

  • 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, 2002 Master Black Belt: Steven Bonacorsi
  • 2. Six Sigma in Action Local Asset Inventory Cycle Time Customer Profile – 18,000-Seat Aircraft Engines Manufacturing and Service Company Business Problem & Impact Process Capability – Before Madisonville does not have an easy way to track inventory. Thus USL = 60 seconds when information is needed, someone must physically establish Mean = 96.5 equipment location. StDev = 54.6 Measure & Analyze Z_ST = 0.8 Data Collection: Validated repeatability and reproducibility using A stop watch. Collected 200 data points to see how long it takes to inventory equipment. Root Causes/Sources of Variation: Human error with the manual recording of data. Improve & Control Process Capability – After • Simulated pilots tests were run for each scanner type and USL = 60 sec repeated by two technicians to evaluate the best cycle time and Mean = 29.5 functionality. StDev = 11.2 • Improved the accuracy with scanned asset details with the removal of manually recording multiple entries. Z_ST = 4.3 Results/Benefits • Digitized technology decreased cycle time to < 1 minute • Benchmarked scanner cycle times, Improving process from 96.5 to 29.5 seconds, to meet customer CTQ <= 60 seconds! A Total Savings of US $2,240