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Judgment & ambiguity · Decisions under uncertainty

A technician is at a customer's home on an appliance repair. The customer describes a fault that keeps tripping the unit, but on site the diagnostics run clean and it won't reproduce. Do you replace the suspected part, or close it as no-fault-found — and on what basis?

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I don't close a no-fault-found on a customer's word that the unit keeps tripping — an intermittent that won't reproduce on a clean bench is exactly the pattern that generates a second call-out and a furious review.

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