Biweekly Notice; Applications and Amendments to Facility Operating Licenses and Combined Licenses Involving No Significant Hazards Considerations

------------------- Docket Nos................... 50-269, 50-270, 50-287, 50-400. Application date............. May 21, 2026. ADAMS Accession No........... ML26141A391. Location in Application of Page E-18-E19 of the Enclosure. NSHC. Brief Description of The proposed amendments would modify the Amendments. Shearon Harris Nuclear Power Plant, Unit 1, and Oconee Nuclear Station, Units 1, 2, and 3 technical specifications (TSs) to allow the use of online monitoring (OLM) methodology for determining the calibration frequency of pressure, level, and flow transmitters. The amendments would revise the TS definitions related to channel calibration and add a new administrative program for OLM, thereby transitioning from time-based to condition-based calibration frequencies for affected transmitters. These changes also clarify the scope of transmitters subject to OLM and the associated programmatic controls for calibration activities and dynamic response assessments using noise analysis techniques. Proposed Determination....... NSHC. Name of Attorney for Tracey Mitchell LeRoy, Deputy General Licensee, Mailing Address. Counsel, Duke Energy Corporation, 525 S Tryon Street, Charlotte, NC 28202. NRC Project Manager, Tony Sierra, 301-287-9531. Telephone Number. ------------------------------------------------------------------------ Entergy Operations, Inc.; Arkansas Nuclear One, Unit 2; Pope