Ask why until the pump failure becomes a system fix
Run a 5 Whys root-cause chain that ends in a process fix rather than blame.
A booster pump failed during a 101 F heat spike, causing 40 acres to miss an irrigation set. 5 Whys moves from symptom to system: failed part -> operating condition -> missed signal -> weak control -> process fix. Stopping at 'the seal failed' or 'the mechanic missed it' treats the visible failure as the root cause and leaves the operating system unchanged. Before Repair ticket: replace seal, restart pump, remind mechanic to watch it. After New control: clean intake screen after canal debris alerts, log pump runtime, and inspect seal temperature at 250-hour intervals. Why 1 Why did the…
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