Six Sigma Project Case Study Overview by Master Black Belt Steven Bonacorsi, International Standard for Lean Six Sigma (ISLSS). General Electic ACFC "At the Customer, for the Customer"

1. Six Sigma DMAIC Project
GE Medical Systems
High Availability Team (Hat)
Project Leader/Green Belt: Jay Mertens
Project Leader Title: Network Engineer
Project Start Date: February 27, 2003
Master Black Belt: Steven Bonacorsi

2. Six Sigma in Action
Clarify Completeness
Customer Profile – 20,000 seat Consumer Products company
Business Problem & Impact Process Capability – Before
Adherence to established Clarify procedures was only 55%. The result
was inaccurate metrics representing how HAT contributes to the
customer.
Measure & Analyze
Data Collection: Validate repeatability and reproducibility using AR&R
methodology. Collected 100 Data points which allows us to determine
current Clarify Accuracy.
Root Causes: Clarify flexibility, Clarify Field definition, and HAT
procedures and training were key causes to the level of inaccuracies.
Improve & Control Process Capability – After
Adjustments were made to Clarify to add more granularity for better
metrics, HAT members were trained, and documentation updated to Inaccurate
reflect the improvements. This resulted in a 38% increase in accuracy! 7%
Weekly Clarify case reviews will be conducted to maintain process Accurate
control. 93%
Results/Benefits
Increased Clarify Accuracy to 93% and provided productivity savings of
$88K by greatly reducing rework and metric reporting
A 38% improvement along with productivity savings of $88K!