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List of results

• BSEP-84-1119, Responds to NRC Re Violations Noted in IE Insp Repts 50-324/84-07 & 50-325/84-07.Corrective Actions:Plant Procedures RCI-6.2 & RCI-8.1 Being Revised to Provide Improved Format & Discussion of Posting Per 10CFR19  + (17:44:12, 13 December 2024)
• ML20091B183  + (17:44:12, 13 December 2024)
• ML20091B170  + (17:44:13, 13 December 2024)
• HL-1636, Forwards Info Re IGSCC Susceptible Welds Per Commitments to Generic Ltr 88-01 & NUREG-0313,Rev 2.Rev 0 to SIR-91-028, Evaluation & Repair of Flaw Indications in Feedwater Safe- End a to Extension Weld at Hatch Unit 2, Also Encl  + (17:44:14, 13 December 2024)
• 05000302/LER-1984-008, :on 840424,false Low Pressure & High Pressure Injection Actuation Occurred.Caused by Malfunctioning Channel 2 Low Pressure Bistable.Low Pressure Bistable Replaced & Procedure Satisfactorily Performed  + (17:44:16, 13 December 2024)
• 05000443/LER-1991-003, :on 910416,instrument Root Isolation Valve for Two non-safety Class Pressure Instruments Unlocked Causing Valve to Become Mispositioned Due to Inadequate Procedure. Valve Locked & Procedure OS1005.05 Revised  + (17:44:18, 13 December 2024)
• 05000395/LER-1991-002, :on 910413 & 16,authorized Release of Liquid Effluent from Turbine Bldg Sump to Waste Surge Basin W/ Radwaste Concentrations Exceeded 0.5 MPC Due to Inadequate Procedural Guidance.Procedure HPP-710 Revised  + (17:44:22, 13 December 2024)
• ML20091B126  + (17:44:24, 13 December 2024)
• 05000277/LER-1991-009-01, :on 910420,primary Containment Isolation Sys Isolation Occurred.Caused by Failure of Startup Emergency Feed Cable 2.Cables Replaced  + (17:44:26, 13 December 2024)
• 05000366/LER-1991-012, :on 910422,ESF Actuations Occurred Re False LOCA Signal on Low Reactor Water Level.Caused by Inadequate Procedure.Involved Personnel Counseled,Procedures Revised & Trip Card Configuration Changed  + (17:44:28, 13 December 2024)
• 05000266/LER-1990-002-02, :on 910419,degradation of Steam Generators Tubes Occurred.Cause Unknown.Util Will Monitor Tube Integrity in Each Steam Generator & Plug Tubes Which Exceed or Approach Plugging Limit in Tech Spec  + (17:44:30, 13 December 2024)
• ML20091B107  + (17:44:33, 13 December 2024)
• ML20091B076  + (17:44:34, 13 December 2024)
• ML20091B070  + (17:44:35, 13 December 2024)
• ML20091B071  + (17:44:35, 13 December 2024)
• 05000397/LER-1984-039, :on 840426,when Motor Operated Valve RCIC-V-45 Given Close Signal,Noise Spike Induced Radiation Monitoring Instruments WOA-RIS-31A & 32A Causing Control Room Ventilation to Auto Isolate  + (17:44:37, 13 December 2024)
• ML20091B068  + (17:44:38, 13 December 2024)
• ML20091B066  + (17:44:38, 13 December 2024)
• IR 05000369/1983048  + (17:44:43, 13 December 2024)
• 05000414/LER-1991-006-02, :on 910416,high High Steam Generator Signal Resulted in Turbine Trip & Auxiliary Feedwater Start Occurred.Caused by Inappropriate Action.Training Revised  + (17:44:45, 13 December 2024)
• 3F0392-08, Forwards Itemization of Various Insurance Policies Currently in Place for Facility  + (17:44:46, 13 December 2024)
• 05000266/LER-1991-002, :on 910419,degradation of Steam Generator Tubes Occurred After Inservice Exam.Caused by Defective Tube. Tube Integrity in Each Steam Generator Monitored & Tubes That Exceed TS Limits Plugged  + (17:44:48, 13 December 2024)
• 05000368/LER-1991-012, :on 910416,both Svc Water Loops Declared Inoperable,Due to Clogging of Pump Discharge Strainers. Caused by Breakdown in Implementation of Procedural Control. Strainers Unclogged & Training Performed  + (17:44:50, 13 December 2024)
• 05000458/LER-1990-041, :on 901113,operability Containment Isolation Valve Indeterminate Due to Improperly Installed Torque Switch.Torque Switch Removed & Installed in Proper Position  + (17:44:53, 13 December 2024)
• 05000412/LER-1991-001-01, :on 910420,control Rod Position Deviation Alarm Declared Inoperable.Caused by Alarm Inadverently Bypassed. Plant Documentation Revised & Computer Group Personnel Assigned to Computer Sys Trained  + (17:44:55, 13 December 2024)

• ML20091B025  + (17:45:01, 13 December 2024)

• 05000338/LER-1991-010, :on 910423,auto Start of Emergency Diesel Generator 1J Occurred.Caused by Loss of Power from RSST a & Subsequent Start Due to Inadvertent Bypass of Air Start of Sov.Procedures Revised  + (17:45:03, 13 December 2024)
• BECO-91-066, Forwards Updated Summary of Compliance W/Reg Guide 1.97 & Responds to NRC SER  + (17:45:04, 13 December 2024)
• 05000325/LER-1991-010, :on 910415,ESF Actuation,Primary Containment Isolation Sys Group 1 Isolation Occurred.Caused by Normally Closed Contacts of Relay Failing to Maintain Closure After Relay Coil Deenergized.Relay Card Replaced  + (17:45:06, 13 December 2024)
• 05000265/LER-1991-006-02, :on 910420,HPCI Pump Failed to Meet Inservice Testing Pump Surveillance Acceptance Criteria.Caused by Inadequate Procedures.Procedures Revised  + (17:45:09, 13 December 2024)
• 05000352/LER-1991-009, :on 910412,reactor Scram Resulted from Spurious Loss of Dc Electrical Power Supply to Main Turbine EHC Sys Due to Personnel Error.Copper Links Replaced W/Hard Wire Connectors  + (17:45:11, 13 December 2024)
• 05000263/LER-1978-001-01, /01T-0:on 780105,nonconconforming Bolts Found in Radwaste Shipping Cask.Caused by Cask Supplier Error.Cask Handling Procedure Will Be Revised to Include Verification of Proper Bolt Size  + (17:45:13, 13 December 2024)
• ML20091B003  + (17:45:19, 13 December 2024)
• 05000361/LER-1984-025, :on 840423,undervoltage Trip Device for Reactor Trip Breaker 256A4002-656-18 Exhibited Procedurally Unacceptable Response Times.Cause Unknown.Breaker Will Be Returned to GE for Refurbishment  + (17:45:24, 13 December 2024)
• 05000263/LER-1978-002-01, /01T-0:on 780202,torus to Drywell Vacuum Breaker AO-2382B Failed to Close as Required by Tech Spec 3.7.A.4. Caused by Excess Friction Between Shaft & Bushings.Bushings Will Be Replaced  + (17:45:27, 13 December 2024)
• ML20091A994  + (17:45:28, 13 December 2024)
• 05000263/LER-1978-003-03, /03L-0:on 780228,during Surveillance Test,Min Flow in a Train SBGTS Could Not Be Attained as Required by Tech Spec 3.7.B.1.Caused by Foreign Matl in BV-4 Positioner. Replaced Positioner  + (17:45:29, 13 December 2024)
• 05000263/LER-1978-004-03, /03L-0:on 780421,during Surveillance Test RWCU Outboard Isolation Valve MO-2398 Failed to Close First Time Switch Placed in Close Position.Cause Unknown  + (17:45:32, 13 December 2024)
• ML20091A991  + (17:45:33, 13 December 2024)
• ML20091A986  + (17:45:34, 13 December 2024)
• 05000362/LER-1984-016-01, :on 840428,undervoltage (UV) Trip Device for Reactor Trip Breaker 256A4002-656-29 Exhibited Unacceptable Response Time.Following Maint,Breaker Yielded Acceptable UV Response Time.Breaker Returned to Svc  + (17:45:38, 13 December 2024)
• TXX-4179, Advises That Class a Detection Sys Meets Requirements of Section 3540 of NFPA 72D 1975.Exceptions 7a & 7b Re Use of Class a Detection Circuits Withdrawn  + (17:45:39, 13 December 2024)
• ML20091A957  + (17:45:40, 13 December 2024)
• ML20091A956  + (17:45:41, 13 December 2024)
• ML20091A955  + (17:45:41, 13 December 2024)
• 05000336/LER-1984-007-01, :During Mar 1984,at 100% Power,Monthly Surveillance for Thermal Margin/Low Pressure Operability Check Missed.Caused by Personnel Lack of Communication. Surveillance Performed  + (17:45:43, 13 December 2024)
• ML20091A946  + (17:45:44, 13 December 2024)
• ML20091A936  + (17:45:45, 13 December 2024)
• ML20091A942  + (17:45:45, 13 December 2024)
• ML20091A930  + (17:45:46, 13 December 2024)
• ML20091A927  + (17:45:47, 13 December 2024)