This is a brand-name, firm-fixed price solicitation for four specific engine maintenance items that must be new and have clear, documented traceability back to the Original Equipment Manufacturer, Rolls-Royce Corporation. Offerors must provide a Certificate of Conformance and, if not the OEM, must demonstrate traceability to the manufacturer prior to award. The requirement is unrestricted under NAICS code 336413. The anticipated award date is on or about 22 April 2026.