This curriculum spans the design and execution of a multi-echelon service parts network, comparable in scope to an internal capability program that integrates strategic inventory planning, demand forecasting for intermittent items, lifecycle controls, and system-wide performance management across procurement, warehousing, and field operations.
Module 1: Strategic Inventory Network Design
- Selecting the number and geographic placement of regional distribution centers to balance delivery speed against holding costs for low-turnover service parts.
- Evaluating centralized versus decentralized stocking strategies for high-criticality components based on mean time to repair (MTTR) requirements.
- Defining service-level agreements (SLAs) with field operations to determine required fill rates and their impact on safety stock levels.
- Mapping customer service territories to warehouse locations using historical failure data and transportation lead times.
- Deciding when to implement vendor-managed inventory (VMI) at customer sites for mission-critical spare parts.
- Integrating reverse logistics lanes into network design to support repairable asset returns and core exchanges.
Module 2: Demand Forecasting for Intermittent Parts
- Choosing between Croston’s method, SBA, and TSB models for forecasting slow-moving parts with sporadic demand patterns.
- Determining the optimal historical data window for forecasting when equipment fleets undergo phased retirements or upgrades.
- Adjusting baseline forecasts for known field campaigns, such as preventive maintenance events or regulatory recalls.
- Handling zero-demand periods in forecasting models without over-inflating safety stock for obsolete or near-obsolete parts.
- Segmenting parts by demand volatility and applying different forecasting techniques per ABC-XYZ classification.
- Validating forecast accuracy using holdout samples and selecting error metrics (e.g., MAD, MAPE) appropriate for intermittent demand.
Module 3: Multi-Echelon Inventory Optimization (MEIO)
- Configuring push vs. pull logic for stocking decisions between central depots and field warehouses based on part criticality and lead time.
- Setting target stock levels at each echelon to meet system-wide service goals while minimizing total inventory investment.
- Modeling lateral transshipments between field locations and incorporating their costs and time impacts into optimization rules.
- Defining repair capacity constraints in MEIO models to reflect realistic turnaround times for returned components.
- Integrating supplier lead time variability into safety stock calculations across echelons.
- Updating MEIO parameters quarterly based on changes in equipment population, failure rates, and service commitments.
Module 4: Obsolescence and Lifecycle Management
- Establishing end-of-life (EOL) procurement quantities for parts when original equipment manufacturers announce discontinuation.
- Coordinating with engineering teams to identify form-fit-function replacements and documenting substitution rules in the ERP system.
- Deciding when to transition from repair to scrap for aging components based on cost-per-repair trends and availability of spares.
- Managing consignment stock with suppliers for parts no longer in active production but still in service.
- Flagging parts for phase-out in inventory systems based on equipment retirement schedules and warranty expiration curves.
- Allocating buffer stock for legacy systems still in operation beyond vendor support periods.
Module 5: Supplier and Contract Management
- Negotiating guaranteed availability clauses for critical parts in supplier contracts, including penalties for non-delivery.
- Assessing dual-sourcing options for single-source components to mitigate supply disruption risks.
- Implementing supplier performance scorecards that track on-time delivery, fill rate, and return defect rates.
- Managing long-lead procurement cycles by locking in purchase orders based on forecasted multi-year demand.
- Structuring blanket orders with min/max pull agreements to reduce order processing overhead and lead time exposure.
- Auditing supplier repair certifications and turnaround times to ensure compliance with service-level commitments.
Module 6: Warehouse Operations and Kitting Strategies
- Designing forward pick areas for high-velocity service parts to reduce order picking time during emergency repairs.
- Implementing serialized tracking for high-value components to support warranty claims and theft prevention.
- Creating repair kits with pre-packaged sets of common wear items for scheduled maintenance visits.
- Assigning bin locations based on part dimensions, weight, and frequency of issue to optimize material handling.
- Validating cycle count procedures for low-turnover items that are prone to inventory record inaccuracy.
- Integrating barcode scanning workflows with ERP systems to reduce manual data entry errors during issue and return.
Module 7: Performance Measurement and Continuous Improvement
- Calculating inventory turnover for service parts while excluding safety stock and EOL items to reflect active management performance.
- Tracking spare parts availability at the work order level to identify systemic stockouts affecting technician productivity.
- Conducting root cause analysis on emergency air shipments to determine if they resulted from forecasting errors or supply gaps.
- Using mean absolute ratio (MAR) to compare forecast accuracy across parts with different demand profiles.
- Benchmarking stockout frequency by part category and initiating replenishment rule reviews for underperforming groups.
- Aligning KPIs across procurement, warehousing, and field service to eliminate functional silos in parts availability.
Module 8: Digital Integration and System Configuration
- Configuring ERP systems to distinguish between consumable supplies and repairable service parts in inventory records.
- Mapping service bills of material (BOMs) to work orders to automate parts requisitioning during scheduled maintenance.
- Integrating IoT sensor data from equipment into parts management systems to trigger predictive replenishment.
- Setting up reorder point and order quantity logic based on supplier MOQs, packaging units, and storage constraints.
- Enabling mobile access to parts lookup and reservation systems for technicians in remote field locations.
- Validating data synchronization between CMMS, ERP, and warehouse management systems to prevent fulfillment delays.