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Tried a new torque sealant on a 737 flap track and it actually held better than the OEM stuff, which surprised me.
I used it on a job in Phoenix after a senior mechanic swore by it, and after 300 flight cycles with no cracking, I'm starting to think the brand name premium is just for the label.
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blake3221mo ago
Sounds like you found a real winner. The big brands rely on reputation to keep their prices high. Good on you for testing it out.
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piperb931mo ago
That 300 cycle check is a good start, but we run our planes for decades. I've seen off-brand sealants pass the short test only to get brittle and fail after a year in different weather. The OEM stuff has a proven track record across thousands of aircraft in every climate. Blake322 has a point about brand reputation, but sometimes that reputation is earned from a lot of long term data we don't get to see. I stick with the approved stuff because I've cleaned up the mess when the cheaper option lets go.
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