Originally Posted by
ST Dog
The original MCAS was reviewed and fully disclosed to the FAA.
The problem was the later modifications to that code were not seen as significant and thus not subjected to the higher level scrutiny.
I read somewhere recently that Boeing’s insurers may consider this as a breach of their responsibility to provide an airworthy product in the same way that an MOT tester who misses faulty brakes on a car does not protect the driver from an insurance company refusing a claim after those faulty brakes caused a fatal accident simply because they had a valid MOT certificate.