For CFMI, it would appear that the impact of the 737 MAX grounding has not been detrimental to the LEAP-1B. There remains a strong market outlook for this engine and looking at the Base Value, Half Life, it is performing well and is on par with competing engines in the market. As illustrated in the chart below, there has been no impact on values.
Keeping to the positive, prior to the grounding, it was widely known that CFMI was as much as 4 weeks behind schedule on deliveries - an issue which no longer exists with CFMI opting to maintain production levels to 'catch up' on deliveries. They have also made good use of the 'grounding time' to help resolve some early teething issues without causing further AOG events. As an example, the fuel nozzle coking issue will have a remedial fix before the end of 2019, before re-entry to service, with a full fix in early 2021.
There is however, one major after-effect of the grounding for the engine platform which cannot be mitigated. MROs globally are currently struggling with the maintenance demand requirements of other engine models including the CFM56-5B, CFM56-7B and V2500-A5. Shop visits for deliveries of both current production and stored 737 MAX aircraft will coincide for as much as 2-3 years post grounding, meaning that it's possible there could be a new bow-wave of shop visit demand for the LEAP-1B in the future.
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IBA Report by David Archer, Senior Engine Analyst: issued September 2019 The grounding of the 737 MAX fleet has been one of the most widely discussed aviation events of recent history. Following two tragic accidents, the 737 MAX fleet remains grounded until the world's aviation authorities deem it fit for service. Speculation has inevitably turned to the impact on the market and the longer term ramifications for both the aircraft and the engines.