Achieving Operational Excellence in Aerospace Manufacturing: Reducing Non-Conformance with Production Support and Digital Threads

The aerospace industry faces non-conformances like material defects and process errors, causing delays and safety risks. Digital thread technologies help streamline operations, reduce non-conformances, and ensure adherence to strict quality and safety standards.

author avatar

22 Nov, 2024. 6 min read

The aerospace industry is a highly regulated and precision-driven industry, where operational excellence is not simply a goal, but rather a top priority. Aerospace manufacturers are under constant pressure to meet the highest quality standards while at the same time optimizing production efficiency and managing complex supply chains. One of the key challenges in this sector is the management of non-conformances (NCs), which can lead to costly delays, safety risks, and decreased customer satisfaction.

Non-conformance refers to any deviation from specified design, material, or process requirements during manufacturing. In aerospace, even minor deviations can have far-reaching consequences due to the critical nature of components and systems. The most common sources of non-conformance include:

  • Material Defects: Impurities or inconsistencies in materials that compromise structural integrity.

  • Design Discrepancies: Errors or misinterpretations in design specifications.

  • Process Failures: Incorrect manufacturing processes or assembly techniques.

  • Human Error: Mistakes during production or quality control.

These issues can cause delays, increase costs, and compromise safety. These are the reasons why reducing non-conformance is essential for maintaining operational excellence. Nowadays, aerospace companies can implement novel and robust production support systems based on digital thread technologies in order to significantly reduce non-conformance rates, streamline operations, and achieve higher levels of performance.

Leading the Way in Digital Thread and Production Support

One of best ways to explore how aerospace manufacturers can leverage digital thread technologies to address these challenges is through a practical approach based on real life case studies. Quest Global, a global leader in aerospace production engineering and manufacturing solutions, employs some of the most prominent strategies for reducing non-conformance in the scope of real-life case studies. 

These solutions rely on a communication framework that integrates data across the entire lifecycle of a product. This approach ensures real-time tracking of parts and processes, which enables manufacturers to quickly identify and resolve non-conformances before they escalate into larger problems.

Quest Global’s approach combines production support with digital thread technologies to optimize flow line operations. The company deploys dedicated cross-functional teams to manage the overall operations and flowlines . In this way, Quest Global ensures that all aspects of production are effectively managed. Thanks to the digital thread approach, the company provides enhanced real-time visibility into key performance indicators (KPIs) while at the same time enabling faster decision-making and improved traceability across the supply chain.

Real-World Applications: Improving Non-Conformance through Production Support and Flow-Line Efficiency

Quest Global has recently implemented a novel production support and flow line efficiency solution for a leading aerospace manufacturer. The manufacturer was struggling with high non-conformance rates due to inconsistent production processes and a lack of real-time data visibility. These issues led to delays in production schedules and increased significantly the costs associated with rework and scrap. Moreover, the aerospace company needed on-the-ground support to manage both internal and external supply chains. This required close collaboration with suppliers and internal teams to ensure smooth operations and timely delivery of components. Also, the customer needed to consult with engineering specialists within their organization to address complex technical issues as they arose.

Solution Overview

To address these challenges, Quest Global deployed a dedicated multi-disciplinary team responsible for managing the entire flow line. This included creating data visualization dashboards, which allowed real-time tracking of key performance indicators (KPIs). The solution enabled the identification of bottlenecks and conducted root cause analysis, which led to significant reductions to non-conformance rates and to tangible improvements to the overall production efficiency. 

Production Support and Flow Line Efficiency

The solution consists of a production support and a flow line efficiency part. The production support system provided real-time insights into production processes. This helped the manufacturer to gain better control over their operations towards quicker identification of non-conformances and more informed decision-making.

The flow line efficiency part optimized the customer’s flow lines by introducing data visualization tools. This allowed for better workflow management, reduced bottlenecks, and smoother production processes. 

Based on the deployment and use of digital threads, the flow line efficiency solution managed to improve data accuracy and to minimize manual errors. This reduced non-conformances and enabled more consistent quality control across the production line. A digital control tower was also established to provide real-time monitoring of production lines. This allowed for immediate corrective actions when deviations were detected, which made the production process more agile and responsive. 

Overall, the digitally enabled flow line efficiency solution led to faster production cycles, reduced waste, enhanced quality control measures, and overall operational improvements. Specifically, the Quest Global’s intervention led to tangible improvements of various KPIs:

  • Non-conformance rates were reduced by approximately 30% on key products.

  • Work-in-progress (WIP) was reduced by 25%, while backlogs reduced by 65%.

  • Total Resolution time (TRT) for NC origination improved dramatically, being processed within one day.

The solution also enabled ongoing awareness of non-conformance Priorities and Root Cause Analysis (RCA), which was important towards identifying patterns and preventing future issues. Based on RCA, Quest Global enabled trend analysis, which helped pinpoint recurring issues and make informed strategic decisions. This improved forecasting and enabled a proactive approach that allowed the team to predict potential NCs and  address them before they escalate.

Moreover, based on the use of data visualization tools  the solution enabled the systematic identification and resolution of bottlenecks in the production process. The elimination of bottlenecks led to more efficient operation of the production line, which is characterized by reduced delays and an overall improved process flow.

Also, the transition from manual whiteboard tracking to a digital system provided real-time visibility into KPIs. Specifically, this enabled stakeholders to monitor progress at a glance, which led to faster decision-making and more efficient operations across the production line.

Lessons Learnt: Strategies for Reducing Non-Conformance

The successful deployment of the digital thread approach highlights several key strategies that aerospace manufacturers can adopt to reduce non-conformance:

  • Root Cause Analysis (RCA): RCA boost the identification of the underlying factors that contribute to non-conformances. In this direction, techniques such as fishbone diagrams can be used to investigate issues thoroughly and to prevent recurrence.

  • Continuous Improvement Initiatives: Regular Kaizen workshops focused on process optimization can lead to significant improvements in flow line efficiency. In the scope of the above-described case study, bottlenecks were methodically identified and eliminated through continuous monitoring.

  • Supply Chain Collaboration: The effective management of both internal and external supply chains is critical for reducing delays and ensuring that quality standards are met. Quest Global's on-the-ground support for suppliers helped streamline operations across multiple stakeholders.

  • Digital Transformation – Digital Thread Approach: The adoption of digital thread technology enables real-time monitoring of production processes and facilitates predictive analytics. This improves operational efficiency and reduces the likelihood of defects.

The reduction of non-conformances leads to tangible benefits, including:

  • Increased Throughput: With fewer defects and less rework required, production lines can operate more efficiently and achieve faster turnaround times.
  • Cost Savings: The reduction of scrap rates and of the delays associated with non-conformances leads to significant cost reductions.
  • Improved Quality: The early identification of quality issues can lead to products meet the highest quality standards, which is one of the top priorities of the aerospace industry.

Non-conformance reduction with digital and agile methods

In the next few years emerging technologies such as artificial intelligence (AI), predictive analytics, and advanced digital threads will play an increasingly key role in reducing non-conformances. These technologies will enable manufacturers to predict and potentially remedy potential issues before they occur. This will further enhance safety standards, while improving operational agility. Also, the rise of digital product passport technologies will enhance the ability of digital thread solution to provide enhanced real-time visibility on materials, products, and production processes. This enhanced visibility will further enhance the accuracy of aerospace manufacturers’ decisions.

Quest Global is at the forefront of this transformation. It is already integrating AI-driven predictive analytics into advanced digital thread solutions, in ways that deliver tangible benefits to aerospace enterprises. Quest Global is committed to integrating the most recent Gen AI and digital thread advancements towards reducing downtimes, improve product quality, and drive further efficiency gains.

Towards a digital-first approach in aerospace manufacturing

In conclusion, reducing non-conformance is critical for achieving operational excellence in aerospace manufacturing. Quest Global’s combination of production support, flow line optimization, and digital thread technologies provides a practical solution for addressing these challenges. The implementation of real-time data visibility tools has led to significant improvements in workflow efficiency, reduced bottlenecks, enhanced quality control measures, and lower non-conformance rates.

Most aerospace manufacturers are on this journey to  adopt such digital-first approaches to improve their overall productivity and profitability, while at the same time meeting stringent regulatory requirements

References

1.  Ubacht J. A digital product passport for a circular economy. TU Delft Stories. 2023 [cited 2024 Nov 10]. Available from: https://www.tudelft.nl/en/stories/articles/a-digital-product-passport-for-a-circular-economy

2. Gopi S, Joshua DR, Valluri VS. Digitization of non-conformance workflows and processes in aerospace product lifecycle management. Int J Res Appl Sci Eng Technol. 2022.

3. Pop GI, Titu AM, Pop AB. Enhancing aerospace industry efficiency and sustainability: process integration and quality management in the context of Industry 4.0. Sustainability. 2023;15:16206. doi:10.3390/su152316206.