I think the title says it all.
Recalls & Notices - Black Diamond Equipment, Ltd.
2010 Black Diamond AvaLung Pack Recall
Salt Lake City, Utah (December 14, 2010) - Black Diamond Equipment, Ltd. has recently discovered that the intake tubing on certain 2010 AvaLung Packs may crack under extremely cold temperatures. We are working with the U.S. Consumer Product Safety Commission and Health Canada, and are in the process of obtaining final approval for a recall.
The recall will pertain only to a limited manufacturing run of Black Diamond AvaLung packs produced in 2010, which can be identified by the following PO# and model combination:
Not sure if anyone on the boards here has a 2010 Avalung pack, but if you do, check it out.