The Boeing Co., St. Louis, Missouri, has been awarded a $55,609,747 indefinite-delivery/indefinite-quantity modification (P00012) to previously awarded contract FA8119-20-D-0002 for repair of KC-135 cowling fan ducts. Work will be performed at St. Louis, Missouri, and is expected to be completed by Feb. 28, 2027. Fiscal 2023 working capital funds in the amount of $53,337,497 are being obligated at time of award. The Air Force Sustainment Center, Tinker Air Force Base, Oklahoma, is the contracting activity.