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CFM's LEAP-1B Turbine Redesign May Double Time On Wing

September 20, 2026

2 min read

Key Takeaways

CFM International introduces new HPT durability kit for LEAP-1B engine.
Kit aims to double time on wing in harsh conditions.
Technology has received certification from FAA and EASA.
CFM also working on reverse bleed system for LEAP-1B.

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Strategic Implications

The introduction of the HPT durability kit may indicate CFM's commitment to improving engine performance in challenging environments, which could strengthen its competitive position in the commercial aviation market. The technology suggests a focus on durability and reliability, which could benefit airlines operating in harsh conditions.

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What Happened

New High-Pressure Turbine Durability Kit Enhances Engine Performance

CFM International has developed a new high-pressure turbine (HPT) durability kit for its LEAP-1B engine, which aims to double time on wing in harsh conditions. The technology has received certification from the Federal Aviation Administration (FAA) and the European Aviation Safety Agency (EASA). CFM is also working on a reverse bleed system for the LEAP-1B, which will help reduce maintenance needs. According to Simple Flying, the HPT durability kit has already been deployed on the LEAP-1A engine and has shown promising results.

Source | Originally Published: September 20, 2026

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