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New Overhaul Plan Extends Service Life of CFM56 Aircraft Engines

New Overhaul Plan Extends Service Life of CFM56 Aircraft Engines
Willis Lease Finance Corporation (NASDAQ: WLFC), a prominent global lessor of commercial aircraft engines, has announced a groundbreaking partnership with CFM International to introduce a new program aimed at extending the operational lifespan of CFM56-5B and CFM56-7B engines. Unveiled on February 9, 2026, this initiative marks the first collaboration of its kind between a commercial engine lessor and the original equipment manufacturer (OEM) for these specific engine models.
Innovative Approach to Engine Maintenance
The program centers on restoring core engine components without resorting to full disassembly, enabling engines to remain in service for longer periods and reducing the frequency of complete overhauls. Austin C. Willis, CEO of Willis Lease, described the initiative as a significant advancement in engine asset management. He highlighted that by conducting shop visits both within their own facilities and through external partners, the company aims to deliver a high-quality product at a competitive price point.
Gaël Méheust, President and CEO of CFM International, underscored the advantages this agreement offers to operators. He noted that Willis Lease will have access to OEM materials necessary to service their CFM56 engines, thereby extending the renowned reliability and time-on-wing performance of these engines for the benefit of WLFC’s customers. Willis Lease has already inducted an initial group of engines into the program, with plans to gradually expand participation to additional assets.
Market Dynamics and Emerging Challenges
While the overhaul program promises cost efficiencies and enhanced operational longevity, it also presents certain challenges. Industry analysts caution that the increased ground time required for engine removal, inspection, and component restoration could disrupt airline schedules. Furthermore, the program’s impact on perceptions of CFM56 engine reliability will be closely monitored, particularly as competition intensifies from rival manufacturers such as International Aero Engines (IAE), whose V2500 engine directly competes in this segment.
In response to evolving market conditions, CFM has extended its agreement with the International Air Transport Association (IATA) through 2033 to promote competition within the maintenance, repair, and overhaul (MRO) sector. Concurrently, independent MRO providers, including Russia’s S7 Technics, are expanding their capabilities to service CFM56 engines. This development may reshape the competitive landscape and influence aftermarket support options available to operators.
Profile of Willis Lease Finance Corporation
Willis Lease Finance Corporation specializes in leasing large and regional spare commercial aircraft engines and aircraft to airlines, engine manufacturers, and MRO providers worldwide. Its comprehensive suite of services encompasses engine and aircraft trading, lease pools, asset management, and end-of-life solutions through its subsidiary Willis Aeronautical Services, Inc. Additionally, the company offers Part 145 engine maintenance, aircraft disassembly, parking, storage, and ground handling services via its various subsidiaries.
As the aviation industry continues to adapt to shifting maintenance strategies and competitive pressures, this new overhaul program represents a significant development in efforts to extend the lifecycle of one of the most widely used commercial jet engines globally.

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