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Operating System Six Sigma Case Study

Kevin Egan
Kevin Egan

Lean Six Sigma Group Free Project Case Study Overviews http://www.linkedin.com/groups/Lean-Six-Sigma-37987 Sponsored by the International Standard for Lean Six Sigma, e-Zsigma http://www.e-zsigma.com, IQPC, and PEX Network. Please contact Lean Six Sigma Master Black Belt, Steven Bonacorsi, Owner of the Lean Six Sigma Group to have your project case studies to be added to the Lean Six Sigma Group Library. Steve Bonacorsi sbonacorsi@comcast.net

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Windows 2000 Scheduling GE Aircraft Engines Account Project Leader: Michael Lisenby Project Coordinator Start Date: May 1, 2002 Master Black Belt: Steven Bonacorsi
Six Sigma in Action W2K Schedule Accuracy Customer Profile 18,000 seat Aircraft Engines Business. Observations/Conclusion The major types of problems (exceptions) with the Business Problem & Impact data submitted is Bi Modal by Type as some fields The initial process for upgrading users to Windows 2000 we never completed by anyone. invited missed appointments, erroneously handled user 68.1% of problems are due to Windows 2000 notifications, faulty user/requestor information, and duplicated already existing on users' machines, PCs that have work efforts. It did not lend itself to a means of manageable been replaced, and Incompatible applications. scheduling for the customer, nor any financial benefit to ITS. 95% Confident that each form will have an average of 8 defective fields per unit and is statistically Measure & Analyze significant with a P-Value of 0.000 Data Collection: Degree of completion of work requests were 95% Confident that each form will have an average measured. The existing process sigma was 0.53. of 2 successful fields and is statistically significant Root Causes: Operational definitions and attention to data with a P-Value of 0.000 requirements were identified as root causes. Improve & Control 5 Improved The data collection method was fully digitized, and the C.E. Operational was instrumental in improved scheduling by contacting (more definitions responsive) users directly. resulted in Success 98% success Results/Benefits Defect rate for After the 3 month project, Labor efficiency contributed $56,800 digitized data and increased revenue contributed $30,720 to an overall collection. 295 $87.5K annual benefit. A savings of US$87.5K in 2002!

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Operating System Six Sigma Case Study

  • 1. Windows 2000 Scheduling GE Aircraft Engines Account Project Leader: Michael Lisenby Project Coordinator Start Date: May 1, 2002 Master Black Belt: Steven Bonacorsi
  • 2. Six Sigma in Action W2K Schedule Accuracy Customer Profile 18,000 seat Aircraft Engines Business. Observations/Conclusion The major types of problems (exceptions) with the Business Problem & Impact data submitted is Bi Modal by Type as some fields The initial process for upgrading users to Windows 2000 we never completed by anyone. invited missed appointments, erroneously handled user 68.1% of problems are due to Windows 2000 notifications, faulty user/requestor information, and duplicated already existing on users' machines, PCs that have work efforts. It did not lend itself to a means of manageable been replaced, and Incompatible applications. scheduling for the customer, nor any financial benefit to ITS. 95% Confident that each form will have an average of 8 defective fields per unit and is statistically Measure & Analyze significant with a P-Value of 0.000 Data Collection: Degree of completion of work requests were 95% Confident that each form will have an average measured. The existing process sigma was 0.53. of 2 successful fields and is statistically significant Root Causes: Operational definitions and attention to data with a P-Value of 0.000 requirements were identified as root causes. Improve & Control 5 Improved The data collection method was fully digitized, and the C.E. Operational was instrumental in improved scheduling by contacting (more definitions responsive) users directly. resulted in Success 98% success Results/Benefits Defect rate for After the 3 month project, Labor efficiency contributed $56,800 digitized data and increased revenue contributed $30,720 to an overall collection. 295 $87.5K annual benefit. A savings of US$87.5K in 2002!