SAN FRANCISCO (Standard&Poor's CreditWire) Dec. 4, 2000--Standard&Poor's today assigned its single-'A'-plus rating to San Francisco Airport Commission's $87.23 million second series revenue bonds (issue 26A) and $150.96 million second series revenue bonds (issue 26B). The bonds are scheduled to sell Dec. 7, 2000. In addition, Standard&Poor's revised its outlook to negative from stable on the commission's bond rating. Additionally, Standard&Poor's affirmed its single-'A'-plus rating and single-'A'-plus underlying rating (SPUR) on the commission's outstanding second series revenue bonds. The outlook has been revised to negative from stable reflecting uncertainty about the costs and funding sources associated with the runway reconfiguration plan, general increases in infrastructure project costs, and concerns regarding continuity in airport