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The brake line chafe I almost signed off on, and what a 20 year guy caught at 2am
I was working a heavy check on a 737 in Tulsa back in the mid 2000s, third shift, maybe 2am, and I was cruising through a gear swing that should have been a no-brainer. Everything rigged fine, pressures looked good, no leaks anywhere, so I was about to pencil the card and move on. Something made me stop though, and I ran my hand down the flex line near the strut, and there it was, a tiny scuff where the line was kissing a bracket, maybe a quarter inch long, nothing that would fail a swing but plenty that would rub through in service. My lead walked by, an old guy named Ray with 20 plus years on the line, and he said the words I still hear: "If you gotta think about it, it ain't right." We pulled the line, found the bracket was slightly bent from a previous gear change, and replaced both. Turned out another plane in the fleet had the same issue flagged a month earlier, so we ended up doing an inspection on the whole tail number list. Back then a lot of that stuff was caught by feel and by hand, not by a printout telling you what to look at. Curious if younger guys coming up now lean more on the task card or still trust their hands first when something feels off.
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thomas_miller1mo ago
Man, that line from Ray is the whole job in one sentence. A buddy of mine had the same thing happen on a 767 years back, tiny rub on a hydraulic line that looked fine on paper, and it turned out a clamp had walked loose. Funny how the hands catch what the card never will, and I hope the new guys still take that extra second to feel around.
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