Procurement Supplier Corrective Action Effectiveness Check Rate

A supplier sends a corrective-action plan after repeated defects, but the next deliveries are not checked against it. Procurement supplier corrective action effectiveness check rate asks whether the promised fix was tested in real subsequent supply.

Define the original problem by item, lot, site and failure mode, since a vague complaint such as poor quality makes it difficult to tell whether the fix worked. Oracle describes a supplier problem report linked to a corrective action and engineering review, which can capture the proposal, but later evidence is needed to assess effectiveness.

Separate containment from permanent action, because sorting suspect stock may protect an immediate shipment without correcting the cause of future defects. Record the supplier root-cause analysis and the specific action (tooling change, process parameter control, training or inspection gate), as a promise to be more careful is hard to verify.

Identify the affected supplier production site and process line, since a change at one plant may not fix output from another. Set effectiveness criteria before checking, such as a defect rate over an agreed number of lots, an audit result, capability evidence or a defined period without recurrence.

Ensure the follow-up sample covers the changed process, because a clean delivery made before the fix took effect is not proof the new control works, and for low-volume items use a practical check window and other process evidence rather than waiting years for an arbitrary number of shipments. If a customer-specific failure was involved, include the customer requirement in the check, and confirm that measurement equipment and method are comparable before and after, since passing a general internal specification can still miss the original issue and a lower reported defect count could reflect weaker detection.

Keep rejected or reworked units visible in the follow-up, because a supplier could appear improved by shipping only sorted output while the process problem persists, and if the action depends on a new sub-tier component verify that it is approved and consistently used. Ask for objective evidence when appropriate (control chart, inspection record, calibration, work instruction or audit) because a polished narrative is not a sustained result, distinguish on-time completion from effectiveness since a new fixture installed on schedule does not prove it prevents the original defect, and reopen the investigation if recurrence occurs rather than accepting the supplier's own closed ticket.

Where the buyer changes its inspection level, document the reason and duration, because increased receiving checks can be an interim control, not proof of supplier process change. Use a denominator of corrective actions that reached their planned effectiveness-check date, so a newly opened action is not called a missed check before evidence is due.

Classify checked-effective, checked-ineffective, insufficient evidence and overdue review separately, with a completed form that had no real test falling into the third category. For safety-critical or regulated goods, apply the appropriate technical and legal review, since the metric does not authorise product release.

Check actual supplier lots and receiving outcomes against the approved action plan, because an internal tracker alone cannot establish what happened on the line, and note that ASQ describes control-stage long-term measurement and reaction plans in process improvement, a principle that helps avoid a one-time fix that fades after launch. Audit selected cases from original defect through supplier action, follow-up lots, buyer review and closure, and report recurrence severity and exposed orders alongside the percentage, since one failed critical corrective action can matter more than many routine checks.