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Blameless After-Action Review
Table of Contents
After rollback restores service, the team learns what broke in the system - not who to punish for pushing deploy.
Key Concept
- Rollback Principle gets users back on the old build; blameless after-action review gets judgment back.
- Same shape as Incident Investigation - trace system causes - but the culture rule is no scalpel hunts for a fall guy.
- Own the Error still means someone says "my call" in standup; the room fixes the runbook, not the person.
- Fix the runbook after rollback - not the person who pushed deploy.
Level 1 - Recognize
A blameless after-action review is a post-incident debrief that fixes system causes instead of punishing a person.
Level 2 - Explain
It restores judgment after calm returns by separating honest ownership from a hunt for a fall guy.
Level 3 - Use
After rollback, trace the missing check, name each decision, and update the runbook.
Level 4 - Connect
Rollback Principle restores service first; review follows later, while Own the Error keeps accountability without punishment theater.
Level 5 - Create
Turn the findings into a safer runbook, test the new guard, and share the lesson so another team can avoid the same miss.
Examples
- Bad Friday deploy reverted by lunch - glad Monday after-action review traced the missing env var check, not which intern merged.
- After the equipment cart tipped twice we changed storage layout - debrief named the hazard, not "trainer was clumsy."
Note Relationships
| Relationship | Wikilink | Reason |
|---|---|---|
| alternative | Rollback Principle | Rollback first; after-action review after calm - not root-cause while users are down |
| contradicts | Normalization of Deviance | when "nobody died" ends the conversation without an after-action review |
| extends | Convert Pain Into Learning | After-action review is the scheduled convert step after harm |
| extends | Failure as Feedback | Miss becomes signal when nobody's hiding to keep their job |
| extends | Incident Investigation | Blameless tone keeps investigation on system causes |
| extends | Learning Organizations | "What broke" line stays until fixed or accepted |
| extends | Measure Then Iterate | After calm, learn what broke with something you would track next time |
| extends | Own the Error | Leader names the miss; room fixes the process, not the person |
