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Flevy Management Insights Case Study
Lean Supply Chain Strategy for Equipment Manufacturer in Aerospace Sector


There are countless scenarios that require Lean Supply Chain. Fortune 500 companies typically bring on global consulting firms, like McKinsey, BCG, Bain, Deloitte, and Accenture, or boutique consulting firms specializing in Lean Supply Chain to thoroughly analyze their unique business challenges and competitive situations. These firms provide strategic recommendations based on consulting frameworks, subject matter expertise, benchmark data, best practices, and other tools developed from past client work. Let us analyze the following scenario.

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Consider this scenario: An established equipment manufacturer in the aerospace sector is facing a strategic challenge in maintaining a lean supply chain amidst increasing global competition.

The organization is experiencing a 20% increase in supply chain costs and a 15% decline in on-time delivery performance, significantly impacting its market competitiveness. External challenges include volatile raw material prices and geopolitical tensions affecting global supply chains, while internally, the company struggles with outdated procurement and inventory management processes. The primary strategic objective of the organization is to streamline its supply chain operations, enhancing efficiency and reliability to improve cost competitiveness and customer satisfaction.



The aerospace equipment manufacturing industry is at a critical juncture, characterized by rapid technological advancements and shifting geopolitical landscapes. These dynamics necessitate a strategic overhaul for companies aiming to maintain their competitive edge.

Market Analysis

  • Internal Rivalry: The aerospace equipment sector is marked by intense competition among established players, driving innovation but also compressing margins.
  • Supplier Power: High due to the specialized nature of aerospace components and materials, giving key suppliers significant leverage over manufacturers.
  • Buyer Power: Also high, as buyers such as airlines and defense contractors have multiple options and prioritize reliability and technological superiority.
  • Threat of New Entrants: Relatively low due to the high barriers to entry, including the need for significant capital investment and stringent regulatory requirements.
  • Threat of Substitutes: Moderate, with advancements in alternative transportation technologies slowly emerging as potential threats to the industry.

  • Adoption of digital technologies: The industry is increasingly adopting digital technologies like IoT and AI for predictive maintenance, offering opportunities for manufacturers to enhance operational efficiency but also posing the risk of obsolescence for those failing to adapt.
  • Shift towards sustainable aviation: This trend presents opportunities for innovation in equipment manufacturing, focusing on eco-friendly materials and energy-efficient designs. However, it also necessitates significant R&D investment.
  • Geopolitical tensions and trade policies: These factors are reshaping supply chains, presenting both risks in terms of supply chain disruption and opportunities for manufacturers to diversify their supplier base and explore new markets.

The global aerospace sector is influenced by several external factors, including technological, economic, environmental, socio-cultural, and regulatory elements. A STEER analysis reveals that technological advancements and regulatory changes pose the most significant impact, driving the need for continuous innovation and compliance with evolving international standards.

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Internal Assessment

The organization possesses deep expertise in aerospace equipment manufacturing, with a strong track record of innovation and quality. However, it faces challenges in supply chain agility and cost control.

SWOT Analysis

Strengths include the company’s established reputation for quality and reliability, along with a robust portfolio of patents. Opportunities lie in leveraging digital technology to enhance supply chain efficiency and developing products aligned with the industry’s shift towards sustainability. Weaknesses are observed in the current supply chain management processes, leading to increased costs and delivery delays. External threats encompass rising raw material costs and potential supply chain disruptions due to geopolitical tensions.

Core Competencies Analysis

The organization’s core competencies lie in its innovative product design and engineering capabilities, which have positioned it as a leader in aerospace equipment manufacturing. Enhancing these competencies through digital transformation and lean supply chain practices is critical to sustaining its competitive advantage.

Distinctive Capabilities Analysis

Distinctive capabilities include the organization’s ability to rapidly innovate and customize products to meet specific customer requirements. Strengthening supply chain resilience and operational efficiency will enable the company to capitalize on these capabilities more effectively, ensuring timely delivery and cost competitiveness.

Learn more about Digital Transformation Supply Chain Management Competitive Advantage

Strategic Initiatives

  • Implement Advanced Supply Chain Analytics: Deploy advanced analytics to improve demand forecasting, inventory management, and supplier performance, reducing costs and enhancing delivery reliability. The intended impact is a more agile, efficient supply chain that supports the company's growth objectives. This initiative will create value by optimizing inventory levels and reducing procurement costs. It requires investment in analytics technology and training for supply chain personnel.
  • Develop Strategic Supplier Partnerships: Forge long-term partnerships with key suppliers to ensure supply continuity and cost stability. This will mitigate risks associated with raw material price volatility and geopolitical tensions. Value creation comes from improved supply chain reliability and cost efficiencies. Resources needed include dedicated teams for supplier relationship management and negotiation expertise.
  • Lean Supply Chain Optimization: Streamline supply chain operations to eliminate waste and reduce lead times. This initiative aims to enhance operational efficiency and customer satisfaction through improved on-time delivery performance. The source of value creation is reduced operational costs and increased market competitiveness. This will require a comprehensive review of current supply chain processes and investment in process improvement methodologies.

Learn more about Process Improvement Inventory Management Agile

Lean Supply Chain Implementation KPIs

KPIS are crucial throughout the implementation process. They provide quantifiable checkpoints to validate the alignment of operational activities with our strategic goals, ensuring that execution is not just activity-driven, but results-oriented. Further, these KPIs act as early indicators of progress or deviation, enabling agile decision-making and course correction if needed.


That which is measured improves. That which is measured and reported improves exponentially.
     – Pearson's Law

  • Supply Chain Cost Reduction: A decrease in supply chain costs will indicate successful implementation of lean practices and improved efficiency.
  • Improvement in On-Time Delivery Rate: An increase in this rate will show enhanced supply chain reliability and customer satisfaction.
  • Supplier Performance Score: Improved scores will reflect the success of strategic supplier partnerships in ensuring quality and timely delivery of materials.

Monitoring these KPIs will provide insights into the effectiveness of the strategic initiatives, enabling timely adjustments to strategies and operations. It will help in achieving the dual goals of operational excellence and customer satisfaction, driving sustainable growth for the organization.

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Lean Supply Chain Best Practices

To improve the effectiveness of implementation, we can leverage best practice documents in Lean Supply Chain. These resources below were developed by management consulting firms and Lean Supply Chain subject matter experts.

Lean Supply Chain Deliverables

These are a selection of deliverables across all the strategic initiatives.

  • Supply Chain Analytics Implementation Plan (PPT)
  • Strategic Supplier Partnership Framework (PPT)
  • Lean Supply Chain Optimization Roadmap (PPT)
  • Supply Chain Performance Dashboard Template (Excel)

Explore more Lean Supply Chain deliverables

Implement Advanced Supply Chain Analytics

The organization chose to utilize the Demand-Driven Material Requirements Planning (DDMRP) and the Value Stream Mapping frameworks to enhance its supply chain analytics capabilities. DDMRP is a multi-echelon planning and execution method that ensures supply chain responsiveness and agility. It proved instrumental in enabling the company to become more demand-driven, rather than forecast-driven. The Value Stream Mapping, on the other hand, allowed for a comprehensive visualization of the flow of materials and information through the organization, highlighting areas of waste and delay.

Following the selection of these frameworks, the implementation proceeded as follows:

  • Conducted a detailed analysis of the current state value stream for key product lines to identify bottlenecks and waste in the supply chain.
  • Implemented DDMRP by categorizing items based on variability and demand, then setting strategic buffer levels to protect against supply chain volatility.
  • Developed a future state value stream map that incorporated the DDMRP buffers and identified areas for process improvement and lead time reduction.

The application of DDMRP and Value Stream Mapping led to a significant reduction in lead times and improved the reliability of the supply chain. Inventory levels were optimized, reducing holding costs and increasing the organization's ability to respond to market demand more effectively.

Learn more about Value Stream Mapping

Develop Strategic Supplier Partnerships

For this initiative, the organization turned to the Kraljic Portfolio Purchasing Model and the Supplier Relationship Management (SRM) framework. The Kraljic Model was used to classify suppliers based on the risk and impact of their supplied materials, which helped in prioritizing the development of strategic partnerships. SRM was then applied to manage, evaluate, and improve the relationships with these key suppliers. These frameworks were chosen for their ability to enhance supplier collaboration and performance, critical components of the strategic initiative.

The implementation of these frameworks involved the following steps:

  • Mapped all suppliers using the Kraljic Matrix to identify critical and bottleneck suppliers.
  • Developed tailored SRM programs for these key suppliers, focusing on collaboration, performance improvement, and innovation.
  • Regularly reviewed supplier performance and relationship health through structured feedback and performance metrics.

The use of the Kraljic Model and SRM framework resulted in more resilient and collaborative supplier relationships. This not only mitigated risks associated with supply chain disruptions but also unlocked innovation and cost savings through closer supplier integration.

Learn more about Supplier Relationship Management

Lean Supply Chain Optimization

To achieve lean supply chain optimization, the organization applied the Theory of Constraints (TOC) and the Six Sigma methodology. The Theory of Constraints was utilized to identify and address the most critical bottleneck in the supply chain process that limited the organization's performance. Six Sigma was then employed to systematically improve these identified processes by eliminating defects and reducing variability. These frameworks were selected for their proven effectiveness in enhancing operational efficiency and quality.

The implementation process entailed the following actions:

  • Identified the supply chain's critical constraint using TOC's Five Focusing Steps, which was found to be in the procurement process.
  • Launched Six Sigma projects targeting the identified constraint, utilizing DMAIC (Define, Measure, Analyze, Improve, Control) phases to streamline the procurement process.
  • Monitored improvements using Six Sigma's rigorous data analysis techniques, ensuring that process enhancements were maintained over time.

The combined application of the Theory of Constraints and Six Sigma methodologies led to a marked improvement in supply chain efficiency. The organization experienced a decrease in process variability and cycle times, contributing to enhanced overall performance and customer satisfaction.

Learn more about Six Sigma Customer Satisfaction Six Sigma Project

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Key Findings and Results

Here is a summary of the key results of this case study:

  • Implemented DDMRP and Value Stream Mapping, reducing lead times and optimizing inventory levels, enhancing market responsiveness.
  • Applied the Kraljic Model and SRM framework, resulting in more resilient supplier relationships and unlocking cost savings and innovation.
  • Utilized the Theory of Constraints and Six Sigma, significantly improving procurement process efficiency and reducing cycle times.
  • Supply chain costs decreased by 15%, surpassing the initial target of a 10% reduction.
  • On-time delivery performance improved from 85% to 95%, achieving the strategic objective of enhanced customer satisfaction.
  • Supplier performance score increased by 20%, reflecting the success of strategic supplier partnerships.

The strategic initiatives undertaken by the organization have yielded significant improvements in supply chain efficiency, cost reduction, and customer satisfaction. The implementation of advanced supply chain analytics, strategic supplier partnerships, and lean supply chain optimization has directly contributed to these outcomes. The reduction in supply chain costs and improvements in on-time delivery performance are particularly notable, as they address the core challenges faced by the organization. However, while the results are largely positive, there were areas of underperformance, particularly in the initial stages of implementing DDMRP and Value Stream Mapping, where the complexity of the process led to delays. Additionally, the reliance on external consultants for Six Sigma training increased project costs beyond initial estimates. Alternative strategies, such as a phased implementation approach for DDMRP and in-house training for Six Sigma, could have mitigated these issues and enhanced outcomes.

Based on the analysis, the recommended next steps include a focus on continuous improvement through regular reviews of supply chain processes and performance metrics. The organization should also explore further integration of digital technologies, such as AI and machine learning, for predictive analytics in supply chain management. Additionally, expanding the strategic supplier partnership program to include more suppliers could further enhance supply chain resilience and cost efficiency. Finally, investing in employee training and development in lean and Six Sigma methodologies will build internal capabilities and reduce reliance on external consultants.

Source: Lean Supply Chain Strategy for Equipment Manufacturer in Aerospace Sector, Flevy Management Insights, 2024

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