Stock spare parts by failure risk
Prioritize spare-part stocking by severity, occurrence, and detectability rather than by habit.
Decide whether to keep extra pin elevator belts on site when shelf space is tight and the part has only failed twice in six months. FMEA-lite: score severity, occurrence, and detectability before choosing the stocking rule Ordering by recency makes the last failure feel like the biggest risk, even when a less frequent failure would close more lanes or create a safety exposure. Severity Lane closure during weekend rush = severity 5 out of 5 because the guest impact is immediate and capacity drops. Severity asks what happens if the failure reaches the guest or staff. A cheap part can…
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