What does this skill do?

Skill's Nonconformity and Quality Management provides a structured methodology for managing the entire lifecycle of nonconformities, root cause analysis, corrective and preventive actions (CAPA), and supplier quality in regulated manufacturing environments. It covers everything from the detection and containment of affected materials to the verification of the effectiveness of corrective actions, with integrated tracking metrics and alerts to prevent superficial analysis.

Investigation of Nonconformities
Detects, contains, and classifies NCRs identified during incoming inspection, process inspection, or final testing, with immediate quarantine and blocking in the ERP system.
Root Cause Analysis
Apply the appropriate methodology based on complexity: the 5 Whys for simple cases, the Ishikawa diagram for multiple categories, the 8D method for recurring problems, and the fault tree analysis for safety incidents.
Disposal of Nonconforming Material
Determine whether the item should be used as is, reworked, scrapped, or returned using the MRB, with documented technical justification and reference to regulatory requirements.
Interpretation of SPC Signals
Analyze Western Electric's control charts and rules to distinguish between "within specification" and "within control" before the process drifts out of tolerance.

Usage examples

🔍 NCR Research
Investigate nonconformity NCR-2025-0412: a batch of 10,000 molded components with a dimensional deviation of +0.15 mm on a critical characteristic. Classify the severity and propose a resolution.
🔧 Root Cause Analysis Using the 8D Method
Analyze the root cause of this recurring failure using the 8D methodology and propose a CAPA plan that includes a person in charge, a target date, and closure criteria.
📈 SPC Signal
The X-bar chart shows 9 consecutive points above the centerline. What does this Western Electric rule indicate, and what steps should I take?
📋 CAPA Plan and Verification
Review this CAPA plan, which was closed 90 days ago. Verify its effectiveness using data from the last 3 batches and confirm whether I can close it permanently.

Features

Complete NCR Life Cycle Detection, physical and ERP containment, severity classification (critical, major, minor), and investigation of the system-wide impact.
Root Cause Analysis Methodologies Automatic selection among the 5 Whys, Ishikawa, 8D, and Failure Tree methods based on the complexity and recurrence of the problem.
CAPA Management with Effectiveness Verification Implementation, verification, and validation of corrective actions with monitoring for a minimum of 90 days or 3 production lots.
Interpretation of SPC and Western Electric Rules Distinguish between "within specification" and "within control" to identify assignable causes before the process drifts.
Metrics and Warning Signs Tiempo de cierre de NCR (<15 días), tasa CAPA a tiempo (>90%), eficacia sin recurrencia (>85%), PPM proveedor (<500) y alertas automáticas ante análisis superficiales.

Frequently asked questions

It complies with FDA 21 CFR 820.90, IATF 16949 §8.7, and AS9100 §8.7.1 regarding the disposal of nonconforming material, as well as recognized methodologies such as 8D, Ishikawa, and Western Electric rules for SPC.
You must reopen the same existing CAPA; do not open a new one. The skill detects this situation and guides you through reactivating the root cause analysis in greater depth.
The minimum monitoring period is 90 days or 3 production batches, whichever comes first. During that time, the system is monitored to ensure that the problem does not recur.
If the identified root cause includes "human error" or the corrective action is "retrain the operator," the analysis is insufficient. The skill automatically alerts you to investigate further.
Nonconformity and Quality Management — Quality Control in Manufacturing with Claude AI

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