Run 5 Whys on a Hollow Spot
Apply 5 Whys to a flooring callback and identify a corrective action.
A hollow spot is repaired quickly, but the same failure mode may be waiting on the next glue-down job. Five Whys is useful only when it reaches a controllable cause and turns that cause into a corrective action with owner and proof. Stopping at 'bad bond' or 'installer should pay closer attention' names the symptom but leaves the process unchanged. Corrective action with proof The repair protects today's customer; the corrective action protects the next customer and the margin behind the job. Before The team injects adhesive, closes the ticket, and waits to see whether the pattern returns. After The…
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