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CFM International ships first LEAP-1A engines with RBS to Airbus

LEAP-1A engine © CFM International
LEAP-1A engine © CFM International

CFM International has dispatched the inaugural production LEAP-1A engines equipped with its new reverse bleed system (RBS) to Airbus, anticipating entry into commercial service by mid-year. This new production configuration hardware will also undergo installation in the existing fleet by airlines and overhaul shops. Additionally, CFM plans to introduce the RBS on the LEAP-1B engine.

Certified by the FAA and EASA in 2023, the LEAP-1A engine with the new RBS addresses carbon build-up on fuel nozzles. Consequently, the need for on-wing fuel nozzle replacement and associated maintenance burdens will be significantly reduced. Upon full deployment throughout the fleet, CFM anticipates that fuel nozzle replacement will typically occur during performance restoration shop visits. The hardware, installable on wing in as little as ten hours, is expected to be available in the second quarter of this year.

“CFM has always prioritized product enhancements to meet customer expectations for our engines. The reverse bleed system exemplifies that commitment,” said Gaël Méheust, President and CEO of CFM International. “It stands as a testament to the ingenuity of our technical and customer teams, who have devised a solution seamlessly integrating with existing aircraft systems. This RBS forms part of a broader initiative to enhance engine durability, with additional upgrades slated for introduction throughout the year.”

The CFM LEAP engine family offers 15 to 20 percent lower fuel consumption and CO2 emissions, alongside significant noise reduction compared to previous-generation engines. Since its service debut in 2016, the LEAP engine has facilitated CFM customers in reducing CO2 emissions by over 32 million tonnes.

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