In reading the NYT article, the test pilots comments struck me as rather humurous..
Old school Boeing test pilot: aircraft doesnt feel right, add vortex tabs.
Millennial Boeing engineer: aircraft doesnt feel right, add software.
Another observation, from the onset, we were lead to believe MCAS was needed due to lift from the engine nacelles at high angle of attack. If the NYT article is correct, the test pilot noted issues with low speed stall.
It also noted that the original MCAS had G force component (that was removed) so that would encompass a whole additional set of conditions or parameters.
Reading and wordsmithing the Boeing press releases on testing the software fix, and waiting for FAA approval for a validation flight, leads me to believe that much of the "testing" is being done in the sim.
If all of this is correct, then this does not appear to me to be a simple software and/or minimal training adventure.
Last edited by Smythe; 4th Jun 2019 at 13:04.