Build a fishbone for missed appointments

Missed arrival windows rose from 3 to 9 in one week. Fishbone categories create broad cause discovery before solution selection. The common trap is jumping straight to traffic or technician discipline. Those may be factors, but acting on the first cause usually misses process conditions that make the problem repeat. State effect Write the effect at the fish head: missed arrival windows on scheduled service stops. A clear effect keeps the team from mixing multiple problems, such as late arrivals, no-shows, and long service times. Sort causes Use ribs: People, Process, Equipment, Measurement, Environment, and Customer Inputs. Categories give quieter…

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