This document outlines a sole source federal contract opportunity for aircraft cowling overhaul and repair. The Air Force Materiel Command Lifecycle Management Center at Tinker Air Force Base is seeking to acquire left hand fan cowling, right hand fan cowling, inlet nose cowling, left hand fan duct and acoustic panel, and right hand fan duct and acoustic panel components for the KC-135 aircraft from The Boeing Corporation. Responses are due by May 1, 2017. Delivery of items would begin 75 days after receipt of order and occur every 75 days thereafter. The contract also includes provisions for repair management, over and above work, and data. Points of contact are provided for written submission of any questions.