📋 Case Study

Aerospace MBOM-Supplier Data Sync Breakdown on F-35 Component

Shop floor rejected 22% of incoming parts due to undocumented material substitutions by Tier-2 suppliers

🏗️ Project Overview

F-35 wing spar subassembly production ramp-up

🎯 Challenge

Shop floor rejected 22% of incoming parts due to undocumented material substitutions by Tier-2 suppliers

🔧 Design Approach

Deployed supplier portal with mandatory digital Part Approval Process (PAP) and real-time MBOM sync via PLM API

📐 Design Diagram

MBOM MasterSupplier Portal
PAP WorkflowShop Floor
Inspection22% rejectionUndocumented material
substitutions (Tier-2)Root CauseSolution Impact99.2% compliance rateReal-time MBOM sync via PLM API

AI-generated project design illustration

📐 Key Calculations

Supplier Compliance Rate

(Approved Submissions / Total Submissions) × 100

Result: 99.2%

Enabled JIT acceptance without inspection

📊 Results

Incoming inspection pass rate increased from 78% to 99.2%; $4.2M annual scrap reduction

💡 Lessons Learned

• •MBOM must be the single source of truth — not engineering drawings or email approvals
• •Supplier systems require bi-directional validation, not one-way uploads

✅ Key Takeaways

• 1MBOM must be the single source of truth — not engineering drawings or email approvals
• 2Supplier systems require bi-directional validation, not one-way uploads