▸case-01 We just finished applying safety controls for our electric powertrain failure modes. Here are the initial failure descriptions, baseline S/O/D scores (e.g., thermal runaway S=9, O=6, D=5), and the newly added mitigation actions. Please re-assess the Severity, Occurrence, and Detection values, calculate the updated RPNs, compare the new scores against the originals to measure mitigation impact, and point out which modes remain high priority. | fail→fail | 19,038 | 44,168 | +132% | 1 | 1 | 0% | 3,327 | 7,942 | +139% | 0 | 0 | — |
▸case-02 Can you re-score our server infrastructure risk analysis? Here are the primary failure modes, our baseline S/O/D ratings, and the proposed mitigation measures (failover clusters and rate limiting). I need the recalculated S, O, D, and RPN figures, an effectiveness comparison against our starting numbers, and an explicit list of failure modes that are still high priority after mitigation. | fail→fail | 31,492 | 32,006 | +2% | 1 | 1 | 0% | 3,731 | 6,492 | +74% | 0 | 0 | — |
▸case-03 Our medical device risk team implemented design revisions for fluid leak detection. Below are the original failure descriptions, pre-mitigation S/O/D ratings, and the newly implemented mitigations. Please run an unbiased re-scoring to produce updated S/O/D and RPN values, evaluate how effective these changes are relative to baseline, and flag any modes that still land in the high priority tier. | fail→fail | 18,692 | 38,970 | +108% | 1 | 1 | 0% | 1,729 | 7,560 | +337% | 0 | 0 | — |
▸case-04 Our team installed redundant pressure transducers and software fault overrides on the electronic brake booster assembly. We have original brake fade and hydraulic line leakage data (original S=10, O=5, D=6). Calculate post-remediation S, O, D, and RPN, compare against starting baseline, and list high priority residual risks. | fail→fail | 25,887 | 27,837 | +8% | 1 | 1 | 0% | 3,278 | 4,243 | +29% | 0 | 0 | — |
▸case-05 For our quadcopter flight controller, we added dual IMU sensors and Kalman filtering to mitigate gyro drift (original S=8, O=7, D=5) and thrust loss. Re-assess the Severity, Occurrence, Detection, and RPN metrics, assess change effectiveness, and highlight any modes remaining high priority. | fail→fail | 19,504 | 20,736 | +6% | 1 | 1 | 0% | 3,169 | 2,742 | -13% | 0 | 0 | — |
▸case-06 In our high-rise elevator safety gear, emergency mechanical clamps were introduced for overspeed governor failure (initial S=10, O=3, D=8). Provide updated S, O, D, and RPN results, compare effectiveness against pre-mitigation scores, and specify modes remaining high priority. | fail→fail | 27,360 | 26,544 | -3% | 1 | 1 | 0% | 3,482 | 3,906 | +12% | 0 | 0 | — |
▸case-07 Our municipal water treatment facility added automated chlorine gas shutoff valves and secondary scrubbing units. Baseline scores for valve rupture were S=9, O=4, D=7. Evaluate new S, O, D, and RPN values, measure mitigation effectiveness against initial scores, and list any high priority risks. | fail→fail | 23,761 | 35,068 | +48% | 1 | 1 | 0% | 2,724 | 3,875 | +42% | 0 | 0 | — |
▸case-08 To handle runaway exothermic reactions in a chemical batch reactor, dual independent coolant bypass loops were installed (baseline reaction runaway S=10, O=4, D=6). Compute updated S, O, D, and RPN scores, compare with initial metrics, and identify remaining high priority failure modes. | fail→fail | 19,631 | 42,218 | +115% | 1 | 1 | 0% | 2,597 | 3,883 | +50% | 0 | 0 | — |
▸case-09 Commercial aircraft avionics power bus implemented cross-tied auxiliary battery backups for main generator lockout (initial S=9, O=3, D=6). Re-evaluate Severity, Occurrence, Detection, and RPN, determine mitigation effectiveness relative to initial ratings, and flag remaining high priority modes. | fail→fail | 25,500 | 30,451 | +19% | 1 | 1 | 0% | 3,653 | 4,562 | +25% | 0 | 0 | — |
▸case-10 An industrial 6-axis robot arm received dual optical encoders and torque-limiting clutches to prevent joint over-travel (pre-mitigation S=8, O=6, D=5). Perform a post-control re-scoring to yield updated S, O, D, and RPN figures, compare against baseline, and state which modes remain high priority. | fail→fail | 21,187 | 20,788 | -2% | 1 | 1 | 0% | 2,693 | 2,854 | +6% | 0 | 0 | — |
▸case-11 Satellite solar panel deployment mechanism added redundant pyrotechnic initiators and spring dampening (initial deployment snag S=9, O=5, D=7). Re-assess S, O, D, and RPN numbers, compare with pre-remediation scores, and identify failure modes that remain high priority. | fail→fail | 17,553 | 21,653 | +23% | 1 | 1 | 0% | 2,734 | 4,196 | +53% | 0 | 0 | — |
▸case-12 Railway signal interlocking controllers added fail-safe relay architecture for track switch misalignments (baseline S=10, O=4, D=5). Calculate new S, O, D, and RPN metrics, measure risk reduction relative to baseline, and highlight any residual high priority failure modes. | fail→fail | 27,817 | 17,599 | -37% | 1 | 1 | 0% | 3,600 | 2,979 | -17% | 0 | 0 | — |
▸case-13 Grid-scale energy storage BMS incorporated cell-level pyrofuses and isolation monitoring for thermal propagation (initial S=9, O=5, D=6). Provide revised S, O, D, and RPN evaluations, evaluate mitigation impact vs baseline, and list high priority failure modes. | fail→fail | 48,554 | 21,644 | -55% | 1 | 1 | 0% | 4,184 | 3,335 | -20% | 0 | 0 | — |
▸case-14 A sterile vial filling line integrated automated vision inspection and rejection arms for glass particle contamination (baseline S=8, O=6, D=7). Calculate updated S, O, D, and RPN numbers, evaluate mitigation performance against starting figures, and point out modes remaining high priority. | fail→fail | 18,276 | 22,920 | +25% | 1 | 1 | 0% | 2,965 | 3,468 | +17% | 0 | 0 | — |
▸case-15 Nuclear auxiliary feedwater system added diesel-driven emergency backup pumps for loss of offsite power (initial S=10, O=3, D=5). Re-evaluate Severity, Occurrence, Detection, and RPN, contrast new scores with baseline, and flag failure modes staying at high priority. | fail→fail | 18,184 | 22,209 | +22% | 1 | 1 | 0% | 3,092 | 3,569 | +15% | 0 | 0 | — |
▸case-16 An online payment processing pipeline added circuit breakers and fallback payment gateways for transaction dropouts (baseline S=7, O=8, D=4). Determine post-control S, O, D, and RPN figures, measure improvement against baseline, and identify modes that remain high priority. | fail→fail | 17,000 | 19,079 | +12% | 1 | 1 | 0% | 2,982 | 3,455 | +16% | 0 | 0 | — |
▸case-17 An implantable cardiac pacemaker added encrypted frequency hopping and CRC checks for RF telemetry corruption (baseline S=10, O=4, D=6). Produce revised S, O, D, and RPN values, evaluate change effectiveness against starting scores, and list any high priority failure modes. | fail→fail | 20,488 | 24,247 | +18% | 1 | 1 | 0% | 2,789 | 3,771 | +35% | 0 | 0 | — |
▸case-18 An autonomous taxi perception platform added radar fusion and lens heating for LiDAR fog blindness (initial S=9, O=6, D=5). Re-assess Severity, Occurrence, Detection, and RPN values, compare effectiveness with baseline, and specify remaining high priority failure modes. | fail→fail | 41,258 | 24,053 | -42% | 1 | 1 | 0% | 3,102 | 4,229 | +36% | 0 | 0 | — |
▸case-19 Heavy stamping press equipment retrofitted dual light curtains and anti-tie-down two-hand controls for pinch point hazards (baseline S=9, O=5, D=6). Re-calculate S, O, D, and RPN numbers, compare with initial ratings, and flag remaining high priority modes. | fail→fail | 16,293 | 20,130 | +24% | 1 | 1 | 0% | 2,768 | 3,507 | +27% | 0 | 0 | — |
▸case-20 We are conducting an initial risk assessment for a new solid-state battery pack design for electric scooters. No mitigation measures have been designed yet. Here are the identified potential failure modes: anode lithium plating and separator puncture. Please assign initial baseline Severity, Occurrence, and Detection ratings and calculate the starting RPNs. | pass→pass | 20,700 | 17,625 | -15% | 1 | 1 | 0% | 2,905 | 3,236 | +11% | 0 | 0 | — |
▸case-21 Our high-voltage inverter design in an industrial pump has a high initial Risk Priority Number for gate driver latch-up. We need engineering solutions to reduce this risk. Please generate a list of hardware and software mitigation controls that could be applied. | pass→pass | 20,034 | 18,571 | -7% | 1 | 1 | 0% | 3,175 | 3,174 | -0% | 0 | 0 | — |
▸case-22 A hydraulic press experienced a sudden pressure relief valve lockup during production line testing. Perform a 5-Why root cause analysis to investigate why the valve jammed and identify the primary contributing factors. | pass→pass | 23,916 | 41,932 | +75% | 1 | 1 | 0% | 2,012 | 4,727 | +135% | 0 | 0 | — |