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Redeploy Diagnostics Six Sigma Case Study


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Redeploy Diagnostics Six Sigma Case Study

  1. 1. Six Sigma DMAIC Project GEITS: GEAE Account Project Leader/Green Belt: Dan Subit Project Leader Title: Customer Engineer Project Start Date: 08/05/2003Master Black Belt: Steven Bonacorsi
  2. 2. Six Sigma in Action Redeploy DiagnosticsCustomer Profile – 8, 000 Seat Aircraft Engines Manufacturing CompanyBusiness Problem & Impact Process Capability – BeforePC and Laptop Hardware which was surplused prior to it’swarranty end date was not being checked for functionality prior Defect 8%to being sold. This cost GEITS revenue by not receiving 5 Units Success 92%warranty claims. 55 UnitsMeasure & AnalyzeData Collection: Systems which were surplused <36 monthsold but pulled from redeploy to be sold after 36 were measuredfor functionality. As is the process was 8% defective. Z(ST) = 2.9Root Causes: System did not have diagnostics ran whenreceived and technicians were unaware of the diagnosticcheck procedure. Baseline ImprovedImprove & ControlAll systems received at the warehouse which are <36 months Units: 60 47old are now checked for functionality prior to being placed in Defects: 5 0redeploy. Surplus system functionality will be checked Qrtly. AC-chart will be used to validate and update financials. DPMO 83,333 0Results/Benefits Z (ST) 2.88 6.0After implementation, defects were reduced to 0 resulting in a Z (LT) 1.38 4.5GEITS expected direct benefit of 11.4 K annually. A savings of US$11.4K in 2003!