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| Criterion |  Engineering Failure Scenario Analysis |  Operations 8D Problem Solving |  Operations Fault Tree Analysis |
|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. |
Complexitydifferent | Medium | High | High |
Timedifferent | 1-3 h | 1-6 Wochen | 2-6 h |
Participantsdifferent | 3-8 | 4-10 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | FailureResilienceRisk | QualityProblem solvingRoot cause | RiskRoot causeSafety |
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