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A comment on FAA faces dilemma over 737 Max wiring flaw that Boeing missed. Parent comment

Re:FAA faces dilemma over 737 Max wiring flaw that Boeing mi... by FriendlyNormie on Sunday February 16, 2020 @06:21PM (#22344350)
These sensors cannot possibly be expensive to build. Why aren’t there one hundred sensors on each plane? Trust whatever the majority of sensors report, notify that outliers need to be serviced.
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Re:FAA faces dilemma over 737 Max wiring flaw that Boeing mi... by tyingq on Monday February 17, 2020 @06:54AM (#22347037)
I get your point, but they are largish mechanical sensors that require a hole in the hull. Here's an AoA sensor: https://i.stack.imgur.com/k0NTBm.jpg

They also require a computer that has the inputs for it.

Why they didn't go with three is probably a good question. Airbus did.

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