| | | Reporting criterion |
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| 05000400/LER-1996-001, Ack That Corrective Actions as Implemented W/Regard to Item Deviates from Ones Which Were Described in NOV Response & Stated in LER 96-001-00 | Ack That Corrective Actions as Implemented W/Regard to Item Deviates from Ones Which Were Described in NOV Response & Stated in LER 96-001-00 | |
| 05000400/LER-1996-002, :on 960117,failure to Perform Required Surveillance Testing During Planned Maint Outage in Oct 1994 Identified.Caused by Personnel Error.Personnel Involved in Procedure Counseled |
- on 960117,failure to Perform Required Surveillance Testing During Planned Maint Outage in Oct 1994 Identified.Caused by Personnel Error.Personnel Involved in Procedure Counseled
| 10 CFR 50.73(a)(2)(i) |
| 05000400/LER-1996-002-01, :on 960117,failure to Perform Required Surveillance Testing During Planned Maint Outage in Oct 1994 Identified.Caused by Personnel Error.Personnel Involved Counseled |
- on 960117,failure to Perform Required Surveillance Testing During Planned Maint Outage in Oct 1994 Identified.Caused by Personnel Error.Personnel Involved Counseled
| 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) |
| 05000400/LER-1996-002-04, :on 960508,failed to Properly Perform Tech Spec Surveillance Testing.Caused by Personnel Error.Personnel Counseled,Procedure Revised & Continued in-program Tech Spec Testing Program Review |
- on 960508,failed to Properly Perform Tech Spec Surveillance Testing.Caused by Personnel Error.Personnel Counseled,Procedure Revised & Continued in-program Tech Spec Testing Program Review
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) |
| 05000400/LER-1996-003, :on 960122,failed to Perform Core Flux Mapping Following Short Power Excursions Over 100% Power.Caused by Amend 50 Being Incorporated W/O Properly Implementing TS Action Statement.Revised Associated TS Bases |
- on 960122,failed to Perform Core Flux Mapping Following Short Power Excursions Over 100% Power.Caused by Amend 50 Being Incorporated W/O Properly Implementing TS Action Statement.Revised Associated TS Bases
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) |
| 05000400/LER-1996-004, :on 960205,RWST Level Transmitters Failed & Violation of TS Action Statement Occurred.Caused by Freezing of Level Transmitter Sensing Lines.Frozen Lines Thawed & Missing Insulation Replaced |
- on 960205,RWST Level Transmitters Failed & Violation of TS Action Statement Occurred.Caused by Freezing of Level Transmitter Sensing Lines.Frozen Lines Thawed & Missing Insulation Replaced
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.73(a)(2)(viii) |
| 05000400/LER-1996-005-01, :on 960312,failure to Properly Test Containment Bldg Outer Personnel Air Lock Door Occurred.Caused by Personnel Error.Individual Involved Counseled.W/Undated Ltr |
- on 960312,failure to Properly Test Containment Bldg Outer Personnel Air Lock Door Occurred.Caused by Personnel Error.Individual Involved Counseled.W/Undated Ltr
| 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.73(a)(2)(viii) 10 CFR 50.73(a)(2) |
| 05000400/LER-1996-006, :on 960325,separation of Valve Stem & Disk for Main FW Isolation Valve Caused Valve to Become Inoperable. Caused by Mfg Defect.Valve Stem Machined & Procedures Revised |
- on 960325,separation of Valve Stem & Disk for Main FW Isolation Valve Caused Valve to Become Inoperable. Caused by Mfg Defect.Valve Stem Machined & Procedures Revised
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) |
| 05000400/LER-1996-007, :on 960425,failed to Perform Tech Spec Surveillance Testing Per Specification 4.7.6.d.3.Caused by Inadequate Procedure Development.Satisfied Differential Pressure Testing Requirement |
- on 960425,failed to Perform Tech Spec Surveillance Testing Per Specification 4.7.6.d.3.Caused by Inadequate Procedure Development.Satisfied Differential Pressure Testing Requirement
| 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) 10 CFR 50.73(a)(2) |
| 05000400/LER-1996-008-02, Forwards LER 96-008-02 Re Reactor Trip Due to Failure of Switchyard Breaker Disconnect Switch.Rev Repts Addl Info Pertaining to Problems Encountered W/Normal Svc Water Sys Following 960425 Reactor Trip | Forwards LER 96-008-02 Re Reactor Trip Due to Failure of Switchyard Breaker Disconnect Switch.Rev Repts Addl Info Pertaining to Problems Encountered W/Normal Svc Water Sys Following 960425 Reactor Trip | |
| 05000400/LER-1996-008, :on 960425,turbine Trip/Reactor Trip Occurred. Caused by High Resistance Connection Resulting from a Phase Switch Jaw & Blade Contacts.Failed a Phase Disconnect Switch on Breaker 52-7 Replaced |
- on 960425,turbine Trip/Reactor Trip Occurred. Caused by High Resistance Connection Resulting from a Phase Switch Jaw & Blade Contacts.Failed a Phase Disconnect Switch on Breaker 52-7 Replaced
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) 10 CFR 50.73(a)(2) |
| 05000400/LER-1996-009, :on 960530,identified Deficiencies in Reactor Auxiliary Bldg Exhaust Sys.Caused by Inadequate Surveillance Test Procedures.Revised Test Procedure |
- on 960530,identified Deficiencies in Reactor Auxiliary Bldg Exhaust Sys.Caused by Inadequate Surveillance Test Procedures.Revised Test Procedure
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) |
| 05000400/LER-1996-010-02, :on 960628,identified Surveillance Testing Deficiencies That Caused Past Entries Into TS 3.0.3.Caused by Personnel Error.Surveillance Test Procedures OST-1008 & OST-1092 Revised |
- on 960628,identified Surveillance Testing Deficiencies That Caused Past Entries Into TS 3.0.3.Caused by Personnel Error.Surveillance Test Procedures OST-1008 & OST-1092 Revised
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(viii) |
| 05000400/LER-1996-010, :on 960628,surveillance Test Deficiencies Identified in Quarterly RHR Sys.Caused by Inadequate Test Procedures Resulting from Personnel Errors.Scheduled Tests on Administrative Hold & Procedures Revised |
- on 960628,surveillance Test Deficiencies Identified in Quarterly RHR Sys.Caused by Inadequate Test Procedures Resulting from Personnel Errors.Scheduled Tests on Administrative Hold & Procedures Revised
| |
| 05000400/LER-1996-011, :on 960629,failed to Perform Surveillance of Containment Isolation Valves.Caused by Incorrect Interpretation of TS Surveillance Requirements.Issued Operations Re TS 4.6.1.1 |
- on 960629,failed to Perform Surveillance of Containment Isolation Valves.Caused by Incorrect Interpretation of TS Surveillance Requirements.Issued Operations Re TS 4.6.1.1
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(iii) 10 CFR 50.73(a)(2)(viii) 10 CFR 50.73(a)(2) |
| 05000400/LER-1996-012, :on 960724,SIII Inverter Was Taken OOS for Repair.Caused by Faulty ferro-resonant Transformer within Inverters Internal Circuitry.Repairs & Load Testing for Siii Were Completed |
- on 960724,SIII Inverter Was Taken OOS for Repair.Caused by Faulty ferro-resonant Transformer within Inverters Internal Circuitry.Repairs & Load Testing for Siii Were Completed
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.73(a)(2)(viii) |
| 05000400/LER-1996-013-02, Forwards LER 96-013-02 Per 10CFR50.73.Rev Reports Results of Addl Analysis That Was Performed to Determine Safety Consequences Associated W/Potential Loss of Ccws | Forwards LER 96-013-02 Per 10CFR50.73.Rev Reports Results of Addl Analysis That Was Performed to Determine Safety Consequences Associated W/Potential Loss of Ccws | |
| 05000400/LER-1996-013, :on 961028,condition Outside of Design Basis Where RWST Had Been Aligned w/non-seismically Qualified Sys Was Identified.Caused by Failure to Reconcile Operating Procedure Lineups.Established Administrative Controls |
- on 961028,condition Outside of Design Basis Where RWST Had Been Aligned w/non-seismically Qualified Sys Was Identified.Caused by Failure to Reconcile Operating Procedure Lineups.Established Administrative Controls
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) |
| 05000400/LER-1996-014, :on 891127,identified Condition of Two Charging/Safety Injection Pumps Connected to Same Emergency Electrical Bus.Caused by Failure to Follow Operating Procedures.Racked Out 6.9 Kv Breaker |
- on 891127,identified Condition of Two Charging/Safety Injection Pumps Connected to Same Emergency Electrical Bus.Caused by Failure to Follow Operating Procedures.Racked Out 6.9 Kv Breaker
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) 10 CFR 50.73(a)(2) |
| 05000400/LER-1996-015, :on 960812,partial ESF Actuation of Main Steam Isolation Signal Occurred During Surveillance Testing Due to Operator Error.Sta Counseled |
- on 960812,partial ESF Actuation of Main Steam Isolation Signal Occurred During Surveillance Testing Due to Operator Error.Sta Counseled
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) |
| 05000400/LER-1996-016, :on 960814,reactor Trip Bypass Breaker Surveillance Test,Required by TSs Not Performed.Caused by Inadequate Procedures Not Ensuring Testing Done Prior to Placing Them in Svc.Procedures Revised |
- on 960814,reactor Trip Bypass Breaker Surveillance Test,Required by TSs Not Performed.Caused by Inadequate Procedures Not Ensuring Testing Done Prior to Placing Them in Svc.Procedures Revised
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) |
| 05000400/LER-1996-017, :on 960805,failure to Perform Surveillance Testing Required by TS Noted.Caused by Personnel Error. Surveillance Testing Scheduling Process Has Been Developed & Implemented on Trial Basis |
- on 960805,failure to Perform Surveillance Testing Required by TS Noted.Caused by Personnel Error. Surveillance Testing Scheduling Process Has Been Developed & Implemented on Trial Basis
| 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) |
| 05000400/LER-1996-018, :on 960903,manual Reactor Trip Occurred Due to Loss of Normal Sw.Caused by Mechanical Failure of B Water Pump & a Normal SW to Remain Running Once Manually Started.Restored a Normal SW Pump to Svc |
- on 960903,manual Reactor Trip Occurred Due to Loss of Normal Sw.Caused by Mechanical Failure of B Water Pump & a Normal SW to Remain Running Once Manually Started.Restored a Normal SW Pump to Svc
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) 10 CFR 50.73(a)(2) |
| 05000400/LER-1996-018-01, Forwards LER 96-018-01 Per 10CFR50.73.Rev Provides Addl Info Related to Cause of a Normal Svc Water Pump Trip That Occurred on 960903,following Loss of Running Normal Svc Water Pump | Forwards LER 96-018-01 Per 10CFR50.73.Rev Provides Addl Info Related to Cause of a Normal Svc Water Pump Trip That Occurred on 960903,following Loss of Running Normal Svc Water Pump | |
| 05000400/LER-1996-019, :on 960906,downed Power Lines & Trees Blocked Plant Access Roads Hampering Site Personnel from Accessing Plant.Caused by Passage of Hurricane Fran.Plant Roads Were Cleared on 960906 & Plant Restarted |
- on 960906,downed Power Lines & Trees Blocked Plant Access Roads Hampering Site Personnel from Accessing Plant.Caused by Passage of Hurricane Fran.Plant Roads Were Cleared on 960906 & Plant Restarted
| |
| 05000400/LER-1996-020, :on 960906,inadvertent RWST Boron Dilution Event Occurred.Caused by Personnel Error.Operating Procedure Was Revised to Reflect locked-closed Designation for RWST Fill Valve 1DW-5 |
- on 960906,inadvertent RWST Boron Dilution Event Occurred.Caused by Personnel Error.Operating Procedure Was Revised to Reflect locked-closed Designation for RWST Fill Valve 1DW-5
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) 10 CFR 50.73(a)(2) |
| 05000400/LER-1996-021, :on 961107,inadequate post-maint Testing Following Repairs on Containment Isolation Valve 1SP-208 Identified.Caused by Misinterpretation of ASME Code. Procedures Revised |
- on 961107,inadequate post-maint Testing Following Repairs on Containment Isolation Valve 1SP-208 Identified.Caused by Misinterpretation of ASME Code. Procedures Revised
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2) |
| 05000400/LER-1996-022, :on 961122,wiring Discrepancy Was Found in Auxiliary Building Ventilation Sys Circuitry.Caused by Personnel Error.Training on This Event Will Also Be Performed for Appropriate Maintenance |
- on 961122,wiring Discrepancy Was Found in Auxiliary Building Ventilation Sys Circuitry.Caused by Personnel Error.Training on This Event Will Also Be Performed for Appropriate Maintenance
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) |
| 05000400/LER-1996-023, :on 961114,design Deficiency in EDG Protection Circuitry Was Identified.Caused by Inadequate Original Plant Design.Surveillance Test Procedures OST-1013 & OST-1073 Revised |
- on 961114,design Deficiency in EDG Protection Circuitry Was Identified.Caused by Inadequate Original Plant Design.Surveillance Test Procedures OST-1013 & OST-1073 Revised
| 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2) |
| 05000400/LER-1996-024, :on 961121,identified Common Mode Failure in RAB Electrical Equipment Protection Rooms Ventilation Sys. Caused by Inadequate Initial Sys Design.Will Install Plant Mod to Resolve AH-16 Single Failure |
- on 961121,identified Common Mode Failure in RAB Electrical Equipment Protection Rooms Ventilation Sys. Caused by Inadequate Initial Sys Design.Will Install Plant Mod to Resolve AH-16 Single Failure
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) |
| 05000400/LER-1996-025, :on 961218,determined Missed Surveillance Test on PORV Block Valve 1RC-115.Caused by Personnel Error.Tested 1RC-115 & Counseled Personnel Involve |
- on 961218,determined Missed Surveillance Test on PORV Block Valve 1RC-115.Caused by Personnel Error.Tested 1RC-115 & Counseled Personnel Involve
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) |