Do not fix the seal before you define the defect
Select the right first response to recurring packaging seal failures using DMAIC logic.
2.8% reported leak rate 1 shift pattern window 4+ variables moving at once What is the strongest first improvement move after containment? Define and measure the leak mode by roll, cavity, setup, and time window before changing settings Raise jaw temperature immediately because more heat usually improves seals Ask the night-shift operator to slow the line until the rate looks acceptable Release the lot after extra visual inspection because the issue is below 3% DMAIC starts by defining and measuring the defect so analysis can separate real causes from guesses. Protects evidence and narrows the cause. A tempting fix, but…
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