Maintenance Root Cause Analysis
Investigating the 'why' behind equipment failures to drive corrective action.
Mean Time to Detect (MTTD)
8 hrs
Avg. time to diagnose issue
Mean Time to Resolve (MTTR)
16 hrs
Avg. time to implement fix
Repeat Failure Rate
15%
Failures recurring within 30 days
Pareto Analysis of Failure Modes
Failure Mode Frequency
Identifying the "vital few" failures that cause the majority of problems (80/20 rule).
Root Cause Investigation Tools
Fishbone (Ishikawa) Diagram
A visual tool for brainstorming potential causes of a problem.
Problem: Equipment Failures
Manpower
Method
Machine
Material
Measurement
Failures by Asset
Root Cause Distribution