Supporting the analogy of this construction error as a bug, the error itself was found by a person completely unrelated to the project who had access to the 'so

Supporting the analogy of this construction error as a bug, the error itself was found by a person completely unrelated to the project who had access to the 'source code' (built plans). Source: http://www.onlineethics.org/cms/24528.aspx http://www.onlineethics.org/cms/24528.aspx (via the Citigroup Center Wikipedia article)