quality-nonconformance

Root cause analysis for a non-conformance requires structured methods like 5 Whys, Ishikawa, or Fault Tree Analysis to move beyond symptoms. This Skill guides RCA method selection and execution, flagging common pitfalls where investigations stop prematurely at symptoms.

Corrective actions address an existing non-conformance, while preventive actions eliminate the potential for recurrence. This Skill helps establish CAPA triggers and differentiates between the two, verifying effectiveness through monitoring and recurrence checks.

SPC Western Electric rules identify special cause variation through specific chart patterns, distinguishing true process shifts from tampering. This Skill guides SPC chart selection and rule interpretation to support statistically sound non-conformance investigations.

Escalating a supplier defect to a SCAR is triggered by significant non-conformances requiring formal corrective action. This Skill supports supplier quality management including SCAR/CAR escalation, supplier scorecards, and incoming inspection decisions using AQL or LTPD.

Yes, this Skill provides structured workflows for NCR investigation and MRB disposition that satisfy common regulatory and automotive/aerospace quality system expectations, including 21 CFR 820, IATF 16949, and AS9100 reasoning requirements.

MRB disposition options for a reported defect typically include use-as-is, rework, repair, scrap, or return to supplier. This Skill guides NCR lifecycle management from identification and containment through documentation and MRB disposition to reduce audit risk.