A technical review by the FAA decided the risk from an engine vulnerability does not warrant immediate action, contrary to an internal report last month.

The FAA was exploring whether to propose software changes that would change the way the LEAP-1B responded to a bird strike.

US regulator the Federal Aviation Administration (FAA) will take no immediate action to address a smoke-related issue involving the CFM International Leap-1B engines that power the Boeing 737 Max.

The FAA Corrective Action Review Board reviewed the CFM LEAP-1B engine bird strikes which led to smoke entering two Boeing 737 MAX aircraft. The board determined the issue does not warrant immediate action and the FAA will follow its standard regulatory process to address it, the agency said.

An internal memo recommends a design change to fix an engine risk on the 737 MAX, in addition to informing pilots of the risk and changing takeoff procedures.

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