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My lead avionics guy swore by dielectric grease on cannon plugs, I skipped it once
We had a MD-80 in for a intermittent right side pitot heat fault back in March. He told me to always wipe the pins with a light coat before mating, and I figured it was just his superstition. Left it dry, got a flickering flag on the first test flight, had to pull the whole plug again and redo it. Now I keep a little jar in my box and use it every time, has anyone else seen dry pins cause phantom faults like that?
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