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Showerthought: the old A&P at my first shop showed me the rag trick for finding a leaking quick disconnect
Kept chasing a hydraulic weep on a King Air for two days, swapping o-rings and guessing, until he told me to dry the fitting and wrap a clean white rag tight around it, then run the system for 10 minutes and look for the one wet spot. Found it in 15 minutes up at the flare nut, not the disconnect at all. Anybody else got an old timer trick that beats the manual?
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karenlee9d ago
That rag trick saved my butt on a 1900D years ago, chasing a tiny weep on a main gear actuator line. I did the same thing, dried everything off, wrapped a clean shop rag around the fitting, ran the hydraulics, and bam, one little wet dot showed up right where the line met the elbow. Turned out the flare had a tiny crack you could barely see with a light. Spent two days before that pulling the wrong parts. My old lead also taught me the baby powder trick for air leaks in pitot static lines, dust it on and the leak shows itself with a little puff. Those old guys didn't have fancy test gear but they knew how to make the plane talk.
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