returned SanDisk as authorized, received on 7/9/09. NO REPLACEMENT. How do I reach customer service?

Ret Auth ID: RX375027
SKU: SDMX11R-002GK
Serial Number: BE0810BHUK
Replacement Item: SanDisk 2GB - Black - Sansa Clip

Status: Received

http://forums.sandisk.com/sansa/board/message?board.id=announcement&thread.id=185