Fermzilla owners - threaded ring smelled weird after fermentation

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ILMSTMF

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In its first use, fermentation went on for 12 days before transferring beer to keg. Opened it up to clean and... the threaded lid ring's threads had a strange aroma like evergreen.

I don't know if it makes any difference but this was a Tripel using WLP550 The smell in the threads did not smell like the beer or the yeast.

Out of the package, I gave all the parts a good initial cleaning. I applied keg lube to the threaded ring which is the only suspicion I could come up. But that hasn't shown to produce an odor before. After wiping the residual lube out, the strength of the aroma was minimized significantly. After a thorough cleaning, the smell is eliminated.

Anyone else ever experience this?
 
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