FAILURE INVESTIGATION
FAILURE INVESTIGATION
FAILURE INVESTIGATION
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Identify<br />
probable<br />
causes<br />
Investigation using SQC tools tools<br />
Analyze<br />
current<br />
process<br />
BRAINSTORM PROCESS<br />
FLOW<br />
DIAGRAM<br />
Record<br />
changes<br />
Implement p<br />
needed<br />
changes<br />
NO<br />
Yes<br />
More detail<br />
needed?<br />
Define<br />
Yes<br />
data to<br />
Collect Analyze<br />
NO<br />
be<br />
collected<br />
data data<br />
CAUSE /<br />
EFFECT<br />
DIAGRAM<br />
CHECK<br />
SSHEETSS Record<br />
unusual u usu<br />
events<br />
PARETO,<br />
SCATTER SCATTER,<br />
HISTOGRAMS<br />
DOE<br />
Test<br />
process<br />
options<br />
NO<br />
Need for<br />
Improved<br />
C/A?<br />
enough?<br />
Yes<br />
Establish regular<br />
process monitoring it i<br />
CONTROL CHARTS<br />
12
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