Willis Lease Finance Strengthens Portfolio with In-House Engine Module Restoration Capability

Willis Lease Finance Corporation (NASDAQ: WLFC) has successfully launched its proprietary in-house engine module restoration operation, marking a significant shift in how the aviation finance leader manages its engine lifecycle services. The debut restoration of a CFM56-7B core engine module, completed at Willis Engine Repair Center®, demonstrates the company’s commitment to building vertically integrated technical capabilities that create measurable financial advantages.

In-House Restoration Delivers Strong EGT Performance and Cost Efficiency

The inaugural module underwent comprehensive testing following restoration, revealing strong exhaust gas temperature (EGT) margin recovery—a critical performance indicator reflecting restoration quality and precision. This in-house achievement means Willis Lease Finance can now control multiple variables in the restoration process, directly reducing maintenance expenses for both internal operations and customer deliverables. According to Chief Executive Officer Austin C. Willis, “Bringing core module restoration in-house allows us to further reduce maintenance expense while enhancing our control, turnaround times and overall competitive advantage.” The Willis Module Shop™ complements existing programs like ConstantThrust® and ConstantAccess®, creating a more comprehensive suite of solutions for navigating engine asset transitions.

Strategic Finance and Fleet Transition Support

As the aviation industry transitions from legacy to next-generation aircraft and engine platforms, Willis Lease Finance positioned its expanded in-house capabilities to capture growing demand. The module shop concept validates the company’s thesis that internal technical expertise reduces dependencies on third-party MRO providers and strengthens customer retention. By consolidating engine and aircraft MRO services, disassembly, spare parts management, and consulting under one integrated platform, Willis Lease Finance creates an end-to-end ecosystem that improves asset utilization and predictability for clients navigating fleet modernization.

Expanding Vertically Integrated Services for Long-Term Value

Willis Lease Finance’s service portfolio now spans the complete engine lifecycle—leasing and trading, in-house maintenance and restoration, spare parts, consulting, and asset management. This vertical integration, supported by Willis Aeronautical Services and Willis Aviation Services Limited, positions the company to capture additional value while reducing costs. The successful CFM56-7B restoration demonstrates that in-house capability drives disciplined core engine value restoration, translating to improved portfolio returns and stronger competitive positioning in a consolidating aviation finance market. As fleet transitions accelerate, Willis Lease Finance’s expanded in-house technical platform is positioned to deliver reliable availability, predictable performance, and cost efficiency that attract both airline operators and manufacturing partners seeking stable, long-term asset management solutions.