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This page provides a simple browsing interface for finding entities described by a property and a named value. Other available search interfaces include the page property search, and the ask query builder.

List of results

• 05000155/LER-1996-011-01, :on 960926,TS Surveillance Requirement Inadvertently Surpassed.Caused by Inadequate Procedure. Start-up Procedure 0-TGS-1, Master Checklist Immediately Revised  + (10:57:49, 25 May 2025)
• 05000271/LER-1996-014, :on 960604,FSAR Requirements for Venting Capability of DG Rooms in Event of Tornado Were Not Being Met.Caused by Failure to Implement Plant Construction/ Configuration Change.Mods Installed  + (10:57:52, 25 May 2025)
• ML20134D722  + (10:57:55, 25 May 2025)
• L-96-081, Apologizes for Not Providing IT Corp W/Copy of 960823 Correspondence W/G Yuhas  + (10:57:57, 25 May 2025)
• 05000213/LER-1996-008, :on 960418,removal of Floor Blocks Invalidated Internal Flooding Analysis.Caused by Failure to Establish Administrative Controls for Temporary Removal of Flood Barriers.Evaluated Effects of Flooding  + (10:58:08, 25 May 2025)
• 05000298/LER-1996-013, :on 960925,HPCI Sys Declared Inoperable Due to Control Oil Leak on Turbine Stop Valve Actuator. Stripped Stud Replaced,Actuator Reassembled & Surveillance Satisfactorily Completed  + (10:58:12, 25 May 2025)
• 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3  + (10:58:18, 25 May 2025)
• IR 05000331/1996009  + (10:58:29, 25 May 2025)
• 05000293/LER-1996-008, :on 960918,RBCCW Heat Exchanger Was Declared Inoperable.Caused by through-wall Longitudinal Crack in Channel Cylinder Near Bottom on Lower Partition Plate. Cracks in Walls Repaired  + (10:58:54, 25 May 2025)
• 05000313/LER-1996-008-02, :on 960922,ANO-1 Surveillance Testing Discovered Leakage from a Sluice Gate of 103.1 Gallons Per Minute.Caused by Zebra Mussel Infestation of CW Bays.Cw Bays & Forebays Area Will Be Inspected  + (10:59:02, 25 May 2025)
• 05000325/LER-1996-012-01, :on 960919,five of Eight Chlorine Detectors Discovered Inoperable.Caused by Chlorine Detector Test Plan Not Sufficient to Ensure Operability of Chlorine Detection Sys.Five Failed Detectors Immediately Replaced  + (10:59:06, 25 May 2025)
• 05000309/LER-1996-030, :on 960926,identified Incorrect Acceptance Criteria Specified for Containment Ventilation/Purge Sys Filter Surveillances.Caused by Cognitive Error.Specified Required Acceptance Criteria  + (10:59:13, 25 May 2025)
• 05000409/LER-1996-001, :on 960919,noted Documentation of Checks Not Being Performed as Required by Procedure.Caused by Area Radiation Monitor Chart Recorder Out of Svc for Repairs. Plant Manager Issued Memo to Personnel  + (10:59:21, 25 May 2025)
• ENS 57712  + (11:20:03, 25 May 2025)
• ENS 57713  + (11:20:09, 25 May 2025)
• ENS 57714  + (11:20:11, 25 May 2025)
• ENS 57715  + (11:20:14, 25 May 2025)
• ENS 57716  + (11:20:17, 25 May 2025)
• ENS 57728  + (11:20:19, 25 May 2025)
• ENS 57729  + (11:20:21, 25 May 2025)
• ENS 57730  + (11:20:22, 25 May 2025)
• ML20134D491  + (11:20:40, 25 May 2025)
• IR 05000269/1991008  + (11:21:27, 25 May 2025)
• 05000336/LER-1996-024-01, Forwards LER 96-024-01 Documenting Event That Occurred at Millstone Nuclear Power Station,Unit 2 on 960507 Util Commitments Made within Ltr,Listed  + (11:26:09, 25 May 2025)
• 05000352/LER-1996-022, :on 961102,D14 EDG Was Declared Inoperable Due to Low Fuel Oil in Storage Tank.Caused by Challenging Method for Determining Tank Level.Increased Operator Awareness of Potential for Error Is Being Utilized  + (11:27:11, 25 May 2025)

• TAC:M95709  + (11:28:33, 25 May 2025)

• L-95-006, Requests to Have BC Croke Take BWR Fundamentals Exam Section of Operator Licensing on 970409  + (11:29:04, 25 May 2025)
• ML20134C955  + (11:29:50, 25 May 2025)
• TAC:L22281  + (11:30:07, 25 May 2025)
• ML20134C316  + (11:37:43, 25 May 2025)
• 05000423/LER-1996-019, :on 960627,reactor Coolant Sys Power Operated Relief Valve Block Valves Inoperable Due to Potential Structural Design Deficiency.Full Scale Testing Has Been Performed by Kei & Results Provided in Rept  + (11:42:31, 25 May 2025)
• ML20134B617  + (11:48:08, 25 May 2025)
• ML20134B550  + (11:48:49, 25 May 2025)
• L-94-016, Forwards Safeguards Event Log Entries for Fourth Quarter 1993.Log Does Not Contain Safeguards Info as Defined by 10CFR73.21  + (11:49:42, 25 May 2025)
• TAC:M79498  + (11:49:56, 25 May 2025)
• L-76-397, Informs That Insp Rept 50-389/76-02 Contains No Proprietary Info  + (11:50:06, 25 May 2025)
• IR 05000389/1976001  + (11:50:15, 25 May 2025)
• 05000285/LER-1991-007, :on 910320,identified twenty-one 480 Volt Molded Case Circuit Breakers Outside Design Basis.Caused by Deficiencies in Original Sys Design.Dbds Compiled as Part of Licensees Reconstitution Program  + (11:51:40, 25 May 2025)
• ML20134B218  + (11:52:25, 25 May 2025)
• ML20134B069  + (11:54:32, 25 May 2025)
• ML20134B020  + (11:55:08, 25 May 2025)
• 05000341/LER-1996-023, :on 961224,TS Required shutdown-drywall to Suppression Chamber Vacuum Breaker Failed to Indicate Closed.Caused by Insufficient Detail in Maint Procedures. T2300F400J Vacuum Breaker Replaced  + (11:56:27, 25 May 2025)
• ML20134A845  + (11:57:29, 25 May 2025)
• ML20134A568  + (12:00:13, 25 May 2025)
• TAC:54096  + (12:00:49, 25 May 2025)
• ML20134A478  + (12:00:53, 25 May 2025)
• 05000366/LER-1981-036-03, /03X-1:on 810416,while Performing Surveillance for Emergency Diesel Generator 2C,generator Failed to Obtain Rated Voltage.Caused by Failure of Field Flashing Relays Due to Binding  + (12:00:57, 25 May 2025)
• 05000245/LER-1996-064, :on 961220,previous Unit Director Did Not Meet TS Requirements.Caused by Failure to Comply with Approved Procedures.Qualifications of Current Millstone Unit 1 Director,Unit Operations Has Been Satisfactorily Documented  + (13:14:28, 25 May 2025)
• ML20133P630  + (13:16:59, 25 May 2025)
• ML20133P515  + (13:17:48, 25 May 2025)
• ML20133P245  + (13:19:35, 25 May 2025)