postmortem - Blameless post-mortem analysis and change register framework
Conducts a blameless 5-Whys post-mortem on failures to identify root causes, extract learnings, and build an owned change register.
Tags
Updated: 2026-09-20Capabilities
Typical Inputs
Typical Outputs
What this skill does
- Define failure events and outcomes
- Conduct 5-Whys root cause analysis
- Distinguish contributing factors from root cause
- Identify ignored early warning signs
- Categorize controllable and uncontrollable factors
- Build actionable change register table
- Set change verification review date
Inputs
- Failure event description
- Expected and actual outcomes
- Quantified event impact
- Event timeline and warning signals
Outputs
- Post-mortem analysis report
- Root cause statement
- Change register table
- Verification check-in date