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However no data that originally certified it as airworthy has changed. All we have is two incidents, one of which we have no information about. For all we know

However no data that originally certified it as airworthy has changed. All we have is two incidents, one of which we have no information about. For all we know it was a hijacking, or a drunk pilot. Absurd ideas, however in my mind without any evidence it is equally likely. They have the CVR and I'm sure very shortly we'll know for sure. If it turns out to be MCAS then we can ground the fleet, the extra day of delay doesn't seem like the highest risk factor.

cjbprime 8y ago
That's not really true. MCAS can not be argued to meet https://www.risingup.com/fars/info/part25-672-FAR.shtml https://www.risingup.com/fars/info/part25-672-FAR.shtml, so it's not airworthy. The FAA's allowed them to continue flying anyway while they disclose the problem and workarounds, and deploy a fix which is now very delayed. That's a much more questionable decision now that another flight with similar characteristics has crashed.