Comment amtetcher SNF 2009-05-20 21:33:52: large black mark found on top right of 2nd tray - cleaned by Elmer

skoh at skoh at
Wed May 20 21:33:53 PDT 2009

Before seasoning the chamber this evening, I checked the trays and found the large black mark (on the back) on the top right corner of the 2nd tray.  Elmer cleaned the tray before I used it.  Appears to be the same area observed by rshyam on 5/19.

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