Actually, I went through this, watching the scene. The Commodore explicitly looks at the 1831 bar, the one marked with the complete tab, and then calls in for the Intrepid. I used to be flexible with this one, but the DVDs make it pretty clear.
One I don't remember as well is the 'Enterprise Incident', was the schematic labeled?
One I don't remember as well is the 'Enterprise Incident', was the schematic labeled?