23.1 Case Background23.2 A Structured Approach to Problem Prevention23.3 Defining High-Risk Areas23.4 Defining Problems, Failure Modes, and Effects23.5 Identify the Highest Total Risk Problem23.6 Estimate the Probability of Occurrence, Severity, and Detection23.7 Estimate the Probability of Occurrence23.8 Estimate the Severity23.9 Estimate the Probability of Detection23.10 Calculate the Total Risk Factor (TRF)23.11 Prioritize and Select the Highest TRF23.12 Determine the Most Probable Cause23.13 Develop Preventive Measures Plan23.14 Identify Preventive Actions23.15 Identify Actions to Reduce Severity23.16 Identify Detective Controls23.17 Estimate Occurrence, Severity, and Detection, Then Recalculate the TRF23.18 Finalize, Implement, and Audit the Preventive Measures Plan