 She then returned to San Francisco, and the Revenue Cutter Service, who in turn handed her back to the Lighthouse Board on 24 December 1866.On 8 September 1867, while transporting building materials to the Cape Mendocino Lighthouse, "Shubrick" ran aground 30 miles south of the site.Considered a total loss, she was abandoned, but her chief engineer, Thomas Winship, was able to save her.