Boeing suffers new 737 Max issue that could delay return

...Reuters, which first reported the new issue, said during an FAA pilot simulation in which the stall-prevention system was activated, it took longer than expected to recover the aircraft.

Other sources said the problem was linked to the aircraft's computing power and whether the processor lacked enough capacity to keep up.

Boeing said "we are working closely with the FAA to safely return the Max to service" and that it believed a software fix would address the problem.

But the FAA will be looking into whether it is a hardware issue.

If regulators are unsatisfied with the software fix, the microprocessor unit would have to be replaced and the grounding could stretch on for months longer than previously thought...

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- https://www.bbc.com/news/business-48752932