Scotty...did my routine oil change yesterday on the 2010 Corolla. Using Pennzoil platinum full…

Scotty...did my routine oil change yesterday on the 2010 Corolla. Using Pennzoil platinum full synthetic. As I loosened the oil canister....I noticed a milky looking substance in the canister threads. Any idea what the heck it coulda been? First time I have ever seen this.

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