The U.S. Food and Drug Administration (FDA) is seeking qualified vendors to provide Preventive Maintenance and Repair Services for a PacBio Sequel II next generation sequencer, Serial Number: SQ64096, on behalf of the National Center for Toxicological Research (NCTR). The procurement includes a base year of service and three option years, with requirements for scheduled preventive maintenance visits, unlimited corrective maintenance, and technical support, all performed by OEM-certified engineers using OEM-certified parts. This equipment is crucial for the NCTR's research activities, and responses to this sources sought announcement must be submitted by November 8, 2024, to Warren Dutter at warren.dutter@fda.hhs.gov, with no contract awarded from this announcement.