So, I sent in my lens to canon to get "repaired" (the grinding focus ring issue + cleaning). Canon sends the lens back to me, and the lens was still dirty, and the focus ring was still not working, so I send it right back to them.
Guess what...I get a call this morning saying that the serial number on the lens doesn't match the serial number on the paperwork, and im like WTF.
They are doing an "investigation" now, but they can't locate my lens, and the lens they have has never been to canon before, so they don't know where it came from.
has anybody had this happen to them before? am I going to get screwed over by canon now?

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