Mock Case Studies

One‑Off CAPA Investigation

Client: Apex Precision Manufacturing (Mock)

Service Type: One‑Off CAPA Investigation

Part: CNC‑Machined Spacer (APX‑4421)

Industry: Precision CNC Manufacturing

Timeline: 7–10 Business Days

Overview

This mock case study demonstrates a complete One‑Off CAPA investigation for repeated dimensional defects on a CNC‑machined aluminum spacer. The project simulates a real client engagement, including evidence collection, root cause analysis, corrective actions, preventive actions, and verification of effectiveness. It is designed to showcase the depth and quality of a full one‑off compliance project.

Problem Summary

Apex Precision identified repeated OD out‑of‑tolerance and out‑of‑round conditions on Part #APX‑4421. Over a 90‑day period, the organization recorded:

14-dimensional nonconformances
3 scrap events
2 customer complaints
1 near‑miss
No documented root cause
No corrective action plan
No verification of effectiveness

The client requested a full CAPA investigation to restore process control and prevent recurrence.

Phase 1 — Evidence Collection

The following records were collected to support the investigation:

Nonconformance Log
Calibration Log
Maintenance Log
CAPA Log
Job Traveler / Router (Basic + Detailed)
Control Plan
Material Control Procedure
Training Record

This evidence provided a complete view of the process, equipment, and historical issues.

Phase 2 — CAPA Investigation

Problem Statement

Repeated OD dimensional defects produced on CNC‑02 during finish turning.

Containment Actions

Stopped production
Segregated all affected parts
Performed 100% re‑inspection
Replaced worn tool
Verified offsets
Notified customer
Added supervisor oversight

Root Cause Analysis

The 5 Whys and Fishbone analysis identified the root cause as:

Missing offset‑verification step in the router
Tool wear not monitored effectively
Training and documentation gaps

Corrective Actions

Updated router and G‑Code
Retrained operators
Implemented tool wear thresholds
Added SPC monitoring
Required supervisor sign‑off

Preventive Actions

Quarterly refresher training
G‑Code approval workflow
Monthly router audits
Tool‑life tracking dashboard

Verification of Effectiveness

30‑day monitoring confirmed:

Zero OD defects
100% offset‑verification compliance
No customer complaints

Phase 3 — Client Review

The draft CAPA was reviewed and approved with no revisions required.

Phase 4 — Final Delivery

The final deliverable included:

Full CAPA Report
Updated workflow
Updated training requirements
All supporting evidence
Audit‑ready documentation package

Outcome

This mock project demonstrates the structure, depth, and quality of a complete One‑Off CAPA investigation. It showcases:

Realistic evidence logs
Fully developed root cause analysis
Corrective and preventive action planning
Verification of effectiveness
ISO‑aligned documentation

This case study is ideal for demonstrating CAPA expertise to prospective clients and showing the value of a one‑off compliance engagement.

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Tier 1 QMS Refresh — Horizon Fabrication

Client: Horizon Fabrication (Mock)

Service Type: Tier 1 SOP Refresh & Light QMS Build
Industry: Precision Metal Fabrication
Timeline: 6–8 Weeks

Overview

This mock case study demonstrates a complete Tier 1 SOP Refresh engagement for Horizon Fabrication, a mid‑sized metal fabrication company with outdated documentation and inconsistent quality controls.
The project simulates a real client engagement, including evidence collection, SOP modernization, log updates, governance documents, and a mini‑audit.

It is designed to showcase the depth and quality of a full Tier‑1 compliance project.

Problem Summary

Horizon Fabrication had a collection of SOPs written between 2018–2021. Over time, the documentation became:

Outdated and inconsistent
Missing version control
Missing signatures and approval history
Spread across multiple uncontrolled folders
Not aligned with current operations
Missing required logs and templates

During the initial review, the organization showed:

6 outdated SOPs
4 incomplete logs
0 governance documents
3 uncontrolled document versions in circulation
No training alignment
No internal audit structure

The client requested a Tier 1 SOP Refresh to stabilize documentation, improve traceability, and establish a foundational QMS structure.

Phase 1 — Evidence Collection

The following records were collected to support the refresh:

Existing SOPs (2018–2021 versions)
NCR Log
CAPA Log
Training Matrix
Document Register
Org Chart
Department List
SOP Templates
Header/Footer Templates

This evidence provided a complete view of the client’s documentation environment and operational structure.

Phase 2 — Tier 1 SOP Refresh & QMS Build

Document Control (DOC‑001)

Updated formatting
Added version control
Added revision history
Standardized approval workflow
Added retention rules
Added document ID structure

Training & Competency (TRN‑001)

Added competency definitions
Updated training workflow
Added retraining triggers
Updated Training Matrix references

Nonconformance (NCR‑001)

Added containment workflow
Added disposition categories
Added verification requirements
Updated NCR Log fields

Corrective Action (Lite) (CAPA‑001)

Added root cause requirements
Added effectiveness verification
Updated CAPA Log structure

Supplier Management (Lite) (SUP‑001)

Added supplier approval workflow
Added supplier monitoring
Added annual review requirements

Internal Audit (Lite) (AUD‑001)

Added audit schedule
Added checklist reference
Added reporting requirements

Phase 3 — Governance Documents

The following Tier‑1 governance documents were created:

Tier 1 File Structure Map
Tier 1 Naming Convention Guide
Tier 1 Revision History Template
Tier 1 QMS Overview
Work Instruction Template

These documents established the foundation for a scalable QMS.

Phase 4 — Mini‑Audit Summary

A remote mini‑audit identified:

Strengths

Clear operational consistency
Engaged staff
Organized workspace

Gaps

Missing version control
Outdated SOP formatting
Inconsistent training documentation
Uncontrolled documents in circulation

Immediate Risks

Multiple uncontrolled versions
Missing verification steps in NCR/CAPA logs

Readiness Rating: Yellow

The rating reflects moderate gaps but strong potential for rapid improvement.

Phase 5 — Final Delivery

The final deliverable included:

6 refreshed SOPs
Updated NCR Log
Updated CAPA Log
Updated Training Matrix
Updated Document Register
Updated SOP Template
Updated Header/Footer Template
Tier 1 Folder Structure
Training Overview
Final Delivery Report

All documents were delivered in Google Docs and PDF formats.

Outcome

This mock project demonstrates the structure, depth, and quality of a complete Tier‑1 SOP Refresh engagement. It showcases:

Fully modernized SOPs
Updated logs and registers
Clean, audit‑friendly formatting
Governance documents for long‑term stability
A foundational QMS structure
Clear training alignment
Improved document control
A realistic, professional Tier‑1 implementation

This case study is ideal for demonstrating SOP refresh expertise to prospective clients and showing the value of a Tier‑1 compliance engagement.

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