This federal contract, awarded by the Air Force Sustainment Center to Hamilton Sundstrand Corporation (doing business as Collins Aerospace), is for the overhaul of the F220/F229 Digital Electronic Engine Controls (DEECs) and Engine Diagnostic Units (EDUs) on aircraft. The contract has a ceiling value of $89,713.00 and is a firm fixed-price delivery order, with a completion date of November 30, 2017. The contract is not set aside for any specific small business category. Collins Aerospace, a subsidiary of Raytheon Technologies Corporation, is a major supplier of aerospace and defense products to the U.S. government, with extensive experience supporting Department of Defense aircraft programs through prime contracts and subcontracts. This contract is part of a larger indefinite delivery/indefinite quantity (ID/IQ) contract, valued at up to $701.9 million through March 2028, for the comprehensive sustainment of the NP2000 propeller system and electronic propeller control system used on various Department of Defense aircraft.