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The article mentions the overload on the computer was caused by "a mismatched power supply to a radar" triggering too many calculations. Any idea how or why the power supply was mismatched ? Luckily software saves the day but what was the root cause of the hardware fault ? Was that a case of a mismanaged change in configuration ?

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If I remember correctly, two AC power sources were required to be in phase for measurements of the antenna direction to work correctly, but weren't actually specced as such, and thus not built that way, and randomly ended up so out of sync that it caused problems on that flight.

EDIT: this article has more detail https://arstechnica.com/science/2019/07/no-a-checklist-error...

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