Callback root-cause pocket guide

What is the first Five Whys rule on a callback? Start with an observable failure statement. Example: "The caulk separated after four days" is better than "The customer is picky" or "The tech rushed." Which is a process cause rather than a blame cause? Compare A useful cause points to a controllable process change. I do not have time to write up every callback. The owner is worried root-cause work will slow the day. Your line Write only three lines: observable failure, likely process cause, next control. If it cannot fit there, the analysis is probably too broad. Do not…

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