Rolls-Royce Corp., Indianapolis, Indiana, is awarded a $31,070,678 firm-fixed-price modification (P00004) to a previously awarded, indefinite-delivery/indefinite-quantity contract (N0001922D0003). This modification exercises an option for the depot repair of T56-A-427A engines utilized on E-2D Advanced Hawkeye aircraft for the Navy. The depot repair includes the repair of the power section, torque meter, gearbox, accessories and all related over and above and material support. Work will be performed in San Antonio, Texas (70%); Winnipeg, Canada (25%); and Indianapolis, Indiana (5%), and is expected to be completed in December 2023. No funds are being obligated at time of award; funds will be obligated on individual orders as they are issued. The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.