SAN FRANCISCO (S&P Global Ratings) Oct. 30, 2019--S&P Global Ratings corrected by raising its long-term rating to 'AA+' from 'AA' on the South Correctional Entity Facility Public Development Authority, Wash.'s series 2009A and 2009B bonds. The outlook is stable. S&P Global Ratings should have raised the ratings on these bonds to 'AA+' when it raised the Tukwila, Wash., limited-tax GO rating to 'AA+' from 'AA' on Oct. 1, 2019. We analyze these bonds using a weakest link approach. In this case, six owner cities that individually pledge to make their allocated portion of debt service payments for the bonds and Tukwila had the weakest credit profile of the six owner cities. As such, it was an analytic error not to