Category
Incident Investigation
89 articles
Deepwater Horizon Case: How Warning Evidence Lost the Decision
The Deepwater Horizon disaster shows why incident investigators must examine more than failed equipment. Warning evidence becomes protective only when it reaches a decision owner who can stop, test, or redesign the work before the exposure becomes irreversible.
The Columbia Shuttle Case: How Warning Evidence Lost the Decision
The Columbia shuttle disaster was not only a hardware failure. The Columbia Accident Investigation Board showed how recurring foam damage, incomplete analysis, schedule pressure, and weak escalation combined until warning evidence no longer changed the flight decision.
Five Whys vs Fishbone vs Fault Tree: Which Method Fits the Evidence?
Compare Five Whys, Fishbone, and Fault Tree Analysis so EHS leaders can choose an investigation method that matches the evidence, consequence, and decision ahead.
SIF Investigation: 5 Distortions That Keep Fatal-Risk Evidence Out of the Review
SIF investigations fail when they preserve the event but not the conditions that made the exposure possible. This critical diagnostic examines five evidence distortions and shows leaders how to connect barriers, production pressure, decision ownership, and verification.
Incident Evidence Handoff: How to Secure It in 30 Minutes
A practical 8-step method for transferring incident evidence without losing facts, ownership, or the questions needed for a defensible investigation.
New Incident Review Chair in 45 Days: A Decision-Ownership Plan
A new incident review chair can improve repeat-event prevention in 45 days by protecting evidence quality, decision ownership, and field verification.
Incident Investigation: 4 Myths That Make Root Cause Analysis Look Complete
A root cause analysis can be polished, approved, and still leave the same exposure in the work. These four myths show where incident investigations become complete on paper before they become useful in the field.
Active and Latent Failures Explained: 4 Evidence Tests That Keep Incident Reviews Systemic
Active failures appear close to the event, while latent failures remain in decisions, design, supervision, and work conditions. These four evidence tests help investigators read both without stopping at the operator.
Corrective Action Explained: 4 Boundaries Investigators Must Keep Clear
Corrective action changes the condition that allowed an incident to occur. This explainer separates four action boundaries so investigators can close reports without leaving repeat risk behind.
Incident Investigation: 5 Gaps That Let Repeat Risk Survive a Closed Report
An incident report can be factually correct and still leave the exposure unchanged. This critical diagnostic shows EHS managers where investigations lose barrier evidence, ownership, and proof that corrective actions work in the field.