WHAT HINDERS THE WHY TREE PROCESS?

WHAT HINDERS THE WHY TREE PROCESS?

• WHAT HINDERS THE WHY TREE PROCESS?
• Not verifying the Hypotheses thoroughly enough
• Misidentify symptoms for root cause
• Not focusing on the management systems
• Not brainstorming enough at each intermediate causes
• Stopping too soon before all Key Factors are determined
• "Failure to follow procedures" or "Operator Error" trap
• Having a dictatorial WHY TREE leader/manger
• WHY TREE leader has a personal stake in the outcome
• Not having the right people in the WHY TREE team Chart 3-41

TOOLS FOR DRAFTING WHY TREE

• TOOLS FOR DRAFTING WHY TREE
• Chart Pads
• Post It
• PowerPoint
• Excel

DISCUSSION ON COMPLETED Y TREES

• 3/31/2011

EXERCISE

• Make a Y-tree of the incident of SO Sukkur

• 3/31/2011