Have you ever gotten a set with a missing piece? - LEGO - The TTV Message Boards
Here's What To Do If Your Lego Kit Is Missing Bricks
I've had the very rare missing piece before, but have never received a piece that (according to the parts list) isn't even in the set! Bag 2 in the new Space Shuttle
Lego 5560 Pink Brick Set Incomplete Missing Pieces Lot | eBay