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The old lead in Fort Worth told me to stop chasing every red X on the first pass
Was talking with a retired avionics lead at a diner in Fort Worth last month and he asked how I handle intermittent faults. I started listing off every test I run, and he cut me off saying "you're shooting at ghosts, chase the wire bundle first." Hit different because I'd spent 2 days on a flap position fault that turned out to be a chafed wire near a clamp, not the sensor I kept swapping. Now I do a visual pass on routing before I even pull the first reading. How do you all decide when to dig into wiring vs trusting the box codes?
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rubyreed11d ago
A chafed wire near a clamp could be anything though. Maybe it was just rubbing for years and never would've failed. Swapping a sensor is fast and cheap, digging through a whole bundle takes hours. Feels like the old guy got lucky once and now every wire is a suspect. I've seen guys chase bundles for a full shift and find nothing while the box was bad the whole time. Not saying skip the visual, but calling every fault a wiring problem feels like a stretch.
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