The U.S. Food and Drug Administration (FDA), Center for Drug Evaluation and Research (CDER), seeks to acquire Maintenance Service for an UltrafleXtreme MALDI-TOF/TOF Mass Spectrometer (Bruker) that provides precision analytics and detailed glycan profiling of glycosylated therapeutic proteins. Services shall include preventive maintenance services, technical support and emergency repairs which ensures instrument reliability and reduces the potential for down-time. The Vendor shall indicate if the minimum salient characteristics have been met to be considered responsive for this requirement.