Match the RCA approach to the problem shape
Select an RCA approach based on whether the problem is an event, shift, control escape, or future-risk pattern.
Place each scenario in the RCA approach that fits best. Event timeline Change analysis Barrier analysis FMEA A 47-minute outage with uncertain trigger, detection, and recovery timestamps Chargebacks jumped from 1.8 percent to 6.4 percent after one release week A payroll file with wrong bank details passed upload validation and approval One vendor import failed and exposed three adjacent ways imports could corrupt accounts A safety near miss shows several possible future failure modes in the handoff process A stable support queue began missing SLA on the same date a routing rule changed A customer-impacting incident has conflicting memories but…
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