New report reveals why Boeing’s 737 Max has taken so long to return to service - Business Insider

A near-crash in a simulated flight in June, using the software fix Boeing designed for the 737 Max, led to the extensive, ongoing delay that has kept the plane grounded through at least November, according to a newFollowing the March 2019 crash of Ethiopian Airlines Flight 302, which was the second fatal crash involving a 737 Max in five months, Boeing engineers began designing a software fix to prevent an automated flight-control system from erroneously activating.

But in June, as engineers were almost finished designing the fix, several Boeing pilots got into a flight simulator to test "a few things." That was when a simulated computer glitch caused the plane to point its nose down, diving aggressively like the planes in both crashes. The extensive redesign, in addition to taking engineers longer, has also led to delays getting clearance from regulators, who are now looking more closely at the changes. Earlier this week,While the fix originally focused on MCAS, closer scrutiny of the entire plane following the second crash began to look at additional factors, including how pilots would respond to multiple cockpit alarms, and what would happen in both common and extremely remote emergency scenarios.

In the test, the plane dived toward the ground, and one of the test pilots found it difficult to respond to the various alarms and system failures in time to control the plane.

Corporate greed and fear of litigation? Complexity out of control? Keeping their heads down until people forget which Boeing plane is the Killer?

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