Problem: My customer discovered that they could not crawl any data from task list within the PWA site collection. I verified that the PWA site collection definitely was listed as a content source within the Search Service Application.
This list here:
Resolution: According to one of my colleagues, the official resolution is that this is fixed in Project Server 2013. He does, however, have a post on a workaround. WARNING: Use extreme caution when making changes to the registry!!http://blogs.msdn.com/b/maulikr/archive/2011/06/15/project-server-2010-how-to-configure-search-for-pwa-sites.aspx