Quality Assurance

3658D

existing team must identify who (in which department) needs to be involved

in planning the implementation of D6.

Removing the ICA

Embedded in D6 is removal of the D3 ICA. The ICA is no longer needed

because the PCA removes the root cause variable. Continuing the ICA wastes

important resources. Further, the ICA has masked the problem, so validation

of the D6 PCA would be questionable.

D6 planning must account for when to terminate the D3 ICA and how to vali-

date results of the D6 PCA. Technically, this validation is continuous and ongo-

ing, but validation is likely to be more frequent at rst, tapering off over time. In

simple terms, the ev ...