| ID | Item/function | Requirement ID | Failure mode | Effect | Severity | Cause | Prevention control | Occurrence | Detection control | Detection | RPN | Rating basis | Recommended action | Owner | Target date | Result | Projected S | Projected O | Projected D | Projected RPN | Residual status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DF01 | Capture door | R01 | Door rebounds after entry | Mouse escapes; repeated handling increases bite exposure | 7 | Hinge rebound and latch misalignment | Add positive over-center latch and keyed hinge pin | 5 | Cycle rig then 5 N outward retention pull | 6 | 210 | Proposed ratings: severity based on effect; occurrence uncertain concept exposure; detection weak without physical evidence | Add positive over-center latch and keyed hinge pin | Jordan Vale | 2027-02-15 | Not implemented or tested | 7 | 3 | 4 | 84 | Projected residual only; open pending evidence |
| DF02 | Ventilation ribs | R02 | Air paths blocked by nesting material | Confined mouse distress or death | 9 | Vents all located on floor near bait | Raise vents on opposing walls; add no-bedding instructions | 4 | Occlude either vent bank with paper surrogate; inspect remaining airflow path | 7 | 252 | Proposed ratings: severity based on effect; occurrence uncertain concept exposure; detection weak without physical evidence | Raise vents on opposing walls; add no-bedding instructions | Jordan Vale | 2027-02-15 | Not implemented or tested | 9 | 2 | 5 | 90 | Projected residual only; open pending evidence |
| DF03 | Release slider | R03 | Finger enters closing-door path | Pinch or bite during release | 8 | Grip next to opening and no positive open detent | Extend external slider and add hold-open detent | 4 | Video-record unloaded representative-user task | 6 | 192 | Proposed ratings: severity based on effect; occurrence uncertain concept exposure; detection weak without physical evidence | Extend external slider and add hold-open detent | Jordan Vale | 2027-02-15 | Not implemented or tested | 8 | 2 | 4 | 64 | Projected residual only; open pending evidence |
| DF04 | Washable shell | R04 | Soiled corners retain contamination | User exposure to rodent waste | 8 | Blind corners and poor disassembly | Round internal corners; detach door cassette; hygiene instructions | 5 | Fluorescent soil inspection after hand wash; biological efficacy not claimed | 6 | 240 | Proposed ratings: severity based on effect; occurrence uncertain concept exposure; detection weak without physical evidence | Round internal corners; detach door cassette; hygiene instructions | Jordan Vale | 2027-02-15 | Not implemented or tested | 8 | 3 | 4 | 96 | Projected residual only; open pending evidence |
| DF05 | Bait pocket | R05 | Bait holder detaches | Small-part ingestion by child or pet | 9 | Uncaptured insert fits through entrance | Integrate pocket into shell; no loose insert | 3 | Force gauge pull and foreseeable misuse inspection | 6 | 162 | Proposed ratings: severity based on effect; occurrence uncertain concept exposure; detection weak without physical evidence | Integrate pocket into shell; no loose insert | Jordan Vale | 2027-02-15 | Not implemented or tested | 9 | 1 | 4 | 36 | Projected residual only; open pending evidence |
| DF06 | Occupancy inspection | R06 | User leaves occupied trap unchecked | Animal dehydration and distress | 9 | Trap hidden and no inspection habit | Transparent inspection window; explicit do-not-leave-unattended warning | 6 | 10-user visibility/teach-back study; no live animals before ethical review | 8 | 432 | Proposed ratings: severity based on effect; occurrence uncertain concept exposure; detection weak without physical evidence | Transparent inspection window; explicit do-not-leave-unattended warning | Jordan Vale | 2027-02-15 | Not implemented or tested | 9 | 4 | 6 | 216 | Projected residual only; open pending evidence |
| DF07 | Entry baffle | R07 | Second mouse opens occupied chamber | Escape or animal injury | 8 | One-way baffle back-driven from inside | Separate entry vestibule with anti-backdrive stop | 5 | Probe each chamber loaded with surrogates in 50 cycles | 7 | 280 | Proposed ratings: severity based on effect; occurrence uncertain concept exposure; detection weak without physical evidence | Separate entry vestibule with anti-backdrive stop | Jordan Vale | 2027-02-15 | Not implemented or tested | 8 | 3 | 5 | 120 | Projected residual only; open pending evidence |
| DF08 | Occupancy sensor | R08 | False empty status | User neglects occupied enclosure | 9 | Dust fouls optical beam | Use independent beam and weight checks; show uncertain as occupied | 5 | Injected beam blockage, drift and stuck-value cases | 8 | 360 | Proposed ratings: severity based on effect; occurrence uncertain concept exposure; detection weak without physical evidence | Use independent beam and weight checks; show uncertain as occupied | Jordan Vale | 2027-02-15 | Not implemented or tested | 9 | 3 | 6 | 162 | Projected residual only; open pending evidence |
| DF09 | Wi-Fi alert queue | R09 | Alert never arrives | Delayed inspection harms captured animal | 9 | Router outage or mobile notification disabled | Offline local indicator; queued alerts and no-cloud-needed manual checks | 6 | Router loss/reconnect and phone permission fault injection | 8 | 432 | Proposed ratings: severity based on effect; occurrence uncertain concept exposure; detection weak without physical evidence | Offline local indicator; queued alerts and no-cloud-needed manual checks | Jordan Vale | 2027-02-15 | Not implemented or tested | 9 | 4 | 6 | 216 | Projected residual only; open pending evidence |
| DF10 | BLE provisioning | R10 | Nearby stranger pairs to trap | Unauthorized control and household occupancy disclosure | 8 | Shared default credentials and insecure pairing | Authenticated pairing; expiring setup window; no shared password | 5 | Threat-model-led unauthorized pairing attempts on test build | 8 | 320 | Proposed ratings: severity based on effect; occurrence uncertain concept exposure; detection weak without physical evidence | Authenticated pairing; expiring setup window; no shared password | Jordan Vale | 2027-02-15 | Not implemented or tested | 8 | 3 | 6 | 144 | Projected residual only; open pending evidence |
| DF11 | Firmware updater | R11 | Corrupt update disables occupancy indication | Occupied trap appears inactive | 9 | Power loss during single-bank flashing | Signed dual-bank firmware with rollback and independent indicator | 4 | Interrupt update at 20 points; confirm last known good boot | 8 | 288 | Proposed ratings: severity based on effect; occurrence uncertain concept exposure; detection weak without physical evidence | Signed dual-bank firmware with rollback and independent indicator | Jordan Vale | 2027-02-15 | Not implemented or tested | 9 | 2 | 6 | 108 | Projected residual only; open pending evidence |
| DF12 | Rechargeable pack | R12 | Battery overheats during charging | Burn or fire | 10 | Unprotected cell, wet connector, charger fault | Protected replaceable pack; keyed certified-candidate charger; thermal cutoff | 4 | Specialist battery fault evaluation; no destructive tests by unqualified users | 8 | 320 | Proposed ratings: severity based on effect; occurrence uncertain concept exposure; detection weak without physical evidence | Protected replaceable pack; keyed certified-candidate charger; thermal cutoff | Jordan Vale | 2027-02-15 | Not implemented or tested | 10 | 2 | 6 | 120 | Projected residual only; open pending evidence |
| DF13 | Electronics cassette | R13 | Wash water reaches PCB | Shock from faulty adapter or overheating | 9 | Electronics not removed before wash | Separate dry cassette with keyed seal and wash label | 5 | Assembly interlock test and controlled splash screen; no IP rating claimed | 7 | 315 | Proposed ratings: severity based on effect; occurrence uncertain concept exposure; detection weak without physical evidence | Separate dry cassette with keyed seal and wash label | Jordan Vale | 2027-02-15 | Not implemented or tested | 9 | 3 | 5 | 135 | Projected residual only; open pending evidence |
| DF14 | Account and cloud | R14 | Household presence patterns retained | Privacy loss after breach | 7 | Unbounded timestamp retention | Local-first alerts; minimal pseudonymous event data; documented deletion | 5 | Review data flows and test account deletion across backups | 8 | 280 | Proposed ratings: severity based on effect; occurrence uncertain concept exposure; detection weak without physical evidence | Local-first alerts; minimal pseudonymous event data; documented deletion | Jordan Vale | 2027-02-15 | Not implemented or tested | 7 | 3 | 6 | 126 | Projected residual only; open pending evidence |
| DF15 | Radio module integration | R15 | Host changes invalidate RF assumptions | Blocked market access or interference | 9 | Antenna/layout differs from module conditions | Freeze antenna/layout; RF lab review before launch | 5 | Host pre-scan and authorization-path review; results not performed | 8 | 360 | Proposed ratings: severity based on effect; occurrence uncertain concept exposure; detection weak without physical evidence | Freeze antenna/layout; RF lab review before launch | Jordan Vale | 2027-02-15 | Not implemented or tested | 9 | 3 | 6 | 162 | Projected residual only; open pending evidence |
| DF16 | Crowded chamber | R16 | Animals compete or overheat | Injury to trapped animals | 9 | Capacity inferred from volume without welfare evidence | Independent compartments and ventilation; inhibit further entry if full | 5 | Surrogate occupancy/thermal analysis first; ethical live study only if approved | 8 | 360 | Proposed ratings: severity based on effect; occurrence uncertain concept exposure; detection weak without physical evidence | Independent compartments and ventilation; inhibit further entry if full | Jordan Vale | 2027-02-15 | Not implemented or tested | 9 | 3 | 6 | 162 | Projected residual only; open pending evidence |
Sample — fictitious company. All numbers and people are invented scenario assumptions. This is draft concept paperwork; no physical testing, customer evidence, certification, filing or sign-off has occurred.