Other airplanes/aircraft that crashed due to instrument malfunction:

It makes instrument malfunction even less likely.

"Captain," he reported, "I am experiencing some form of instrument malfunction."

It's not an instrument malfunction, not a reflection of natural phenomena.

The plan crashed into terrain at 800 feet elevation when its reported altitude was 4,000 feet; it was never determined whether the crash was due to pilot error or an instrument malfunction.

You have sustained instrument malfunction.

We had some instrument malfunctions.

On 10 March 1964, a 19th TRS RB-66B from Toul was shot down over East Germany after it crossed over the border due to an instrument malfunction.

I do a little screaming about instrument malfunction, maybe they'll buy it.

We have never been sure that they weren't noise, or the artifact of some instrument malfunction.