Tried a $40 borescope to inspect a fuel line, ended up chasing a spider

Last Tuesday I used a cheap borescope to peek inside a Cessna fuel line and found what looked like a blockage, so I spent 2 hours pulling the line apart. Turns out it was just a spider web on the lens the whole time, and the line was perfectly clean. My lead at the hangar in Phoenix still brings it up every morning, laughing. Now I wipe the lens before every inspection, but has anyone else had a borescope trick them into a wild goose chase?

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craig.grant6d ago

Honestly, that's on you for trusting a $40 tool over your own judgment, the lens check takes five seconds.

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