| id | Failure mode / actions | effect | S | O | D | RPN | status |
|---|---|---|---|---|---|---|---|
| DF01 | Capture door: Door rebounds after entry | Mouse escapes; repeated handling increases bite exposure | 7 | 5 | 6 | 210 | open — first-pass proposed |
| DF01-M | Add positive over-center latch and keyed hinge pin | Mouse escapes; repeated handling increases bite exposure | 7 | 3 | 4 | 84 | open — projected mitigation, not accepted |
| DF02 | Ventilation ribs: Air paths blocked by nesting material | Confined mouse distress or death | 9 | 4 | 7 | 252 | open — first-pass proposed |
| DF02-M | Raise vents on opposing walls; add no-bedding instructions | Confined mouse distress or death | 9 | 2 | 5 | 90 | open — projected mitigation, not accepted |
| DF03 | Release slider: Finger enters closing-door path | Pinch or bite during release | 8 | 4 | 6 | 192 | open — first-pass proposed |
| DF03-M | Extend external slider and add hold-open detent | Pinch or bite during release | 8 | 2 | 4 | 64 | open — projected mitigation, not accepted |
| DF04 | Washable shell: Soiled corners retain contamination | User exposure to rodent waste | 8 | 5 | 6 | 240 | open — first-pass proposed |
| DF04-M | Round internal corners; detach door cassette; hygiene instructions | User exposure to rodent waste | 8 | 3 | 4 | 96 | open — projected mitigation, not accepted |
| DF05 | Bait pocket: Bait holder detaches | Small-part ingestion by child or pet | 9 | 3 | 6 | 162 | open — first-pass proposed |
| DF05-M | Integrate pocket into shell; no loose insert | Small-part ingestion by child or pet | 9 | 1 | 4 | 36 | open — projected mitigation, not accepted |
| DF06 | Occupancy inspection: User leaves occupied trap unchecked | Animal dehydration and distress | 9 | 6 | 8 | 432 | open — first-pass proposed |
| DF06-M | Transparent inspection window; explicit do-not-leave-unattended warning | Animal dehydration and distress | 9 | 4 | 6 | 216 | open — projected mitigation, not accepted |
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.