hardScenarioCase StudySeniorStaffLead
Your predictive maintenance system is live and the maintenance team has stopped acting on its alerts. How do you get that back?
6 min readUpdated 2026-08-15
Answer
Short answer
Start by instrumenting outcomes, because you almost certainly cannot say what happened to any past alert. Delivered recall is model recall multiplied by the rate at which alerts are acted on, so at a fifteen per cent action rate a better model changes nothing that anyone experiences.
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Likely follow-ups
- Twelve alerts closed as no fault found. What do you need to know before scoring any of them?
- Precision halved over four months with no code change. What are the candidate causes?
- Would you route alerts into the maintenance work-order system or into a dashboard? Why?
- How would you decide to switch the system off for a class of assets?
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