| | | Reporting criterion |
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| 05000316/LER-1997-001-01, :on 970311,automatic Reactor Trip Signal Initiated by Reactor Protection Sys.Caused by Failure of Controller for 2-FRV-210,due to Static Discharge.Taylor Controller for 2-FRV-210 Replaced |
- on 970311,automatic Reactor Trip Signal Initiated by Reactor Protection Sys.Caused by Failure of Controller for 2-FRV-210,due to Static Discharge.Taylor Controller for 2-FRV-210 Replaced
| 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)(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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-001, :on 970112,while in Mode 1 at 99.8% Rated Thermal Power,Si Pump Discharge cross-tie Train B Shutoff Valve Was Closed to Support Filing SI Sys Accumulators. Caused by Incorrect Sequence of Procedure Step |
- on 970112,while in Mode 1 at 99.8% Rated Thermal Power,Si Pump Discharge cross-tie Train B Shutoff Valve Was Closed to Support Filing SI Sys Accumulators. Caused by Incorrect Sequence of Procedure Step
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000316/LER-1997-002, :on 970508,shutdown of Unit 2 Occurred, Resulting from Inability to Return 2 AB EDG to Svc within 72 H Allowed by TS Lco.Appropriate Administrative Actions Have Been Implemented for Individual Involved |
- on 970508,shutdown of Unit 2 Occurred, Resulting from Inability to Return 2 AB EDG to Svc within 72 H Allowed by TS Lco.Appropriate Administrative Actions Have Been Implemented for Individual Involved
| 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)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.73(a)(2)(i)(A), Completion of TS Shutdown 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-002, :on 970128,stresses for Piping Was Found to Exceed Allowable Valves During Postulated Dba.Caused by Inadequate Analysis During Original Design.Review Completed as Part of 120 Day Response to GL 96-06 |
- on 970128,stresses for Piping Was Found to Exceed Allowable Valves During Postulated Dba.Caused by Inadequate Analysis During Original Design.Review Completed as Part of 120 Day Response to GL 96-06
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000316/LER-1997-003, :on 970826,determined That Inadequacy of Manual Actions Were Outside Plant Design Basis Due to Performance of Dual Train CCW Outage During 1996 Refueling Outage. Revised Outage Review Process |
- on 970826,determined That Inadequacy of Manual Actions Were Outside Plant Design Basis Due to Performance of Dual Train CCW Outage During 1996 Refueling Outage. Revised Outage Review Process
| 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition 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) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-003, :on 970205,determined That Safety Injection Pumps Could Potentially Experience Runout Conditions.Cause Indeterminate.Revised Plant Operating Procedures Re Safety Injection Pump |
- on 970205,determined That Safety Injection Pumps Could Potentially Experience Runout Conditions.Cause Indeterminate.Revised Plant Operating Procedures Re Safety Injection Pump
| 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000316/LER-1997-003-01, :on 970826,determined That Unit Operated Outside Design Basis During Unit 2 1996 Refueling Outage. Investigation Into Event Continuing.Update to Interim LER Will Be Issued by 971117 |
- on 970826,determined That Unit Operated Outside Design Basis During Unit 2 1996 Refueling Outage. Investigation Into Event Continuing.Update to Interim LER Will Be Issued by 971117
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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)(B) |
| 05000316/LER-1997-004-01, :on 970826,change to CCW Temperature W/O Rev to FSAR Resulted in Condition Outside Design Basis. Investigation Into Event Is Continuing.Administrative Limit of 90 Degrees F Was Imposed on Both Units |
- on 970826,change to CCW Temperature W/O Rev to FSAR Resulted in Condition Outside Design Basis. Investigation Into Event Is Continuing.Administrative Limit of 90 Degrees F Was Imposed on Both Units
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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)(A) |
| 05000316/LER-1997-004, Re Analysis Which Demonstrates Design Basis Impact of Inadequate Refueling Outage SE Negligible.Ler 97-004-01 Retracted | Re Analysis Which Demonstrates Design Basis Impact of Inadequate Refueling Outage SE Negligible.Ler 97-004-01 Retracted | 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(x) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2) 10 CFR 50.73(a)(2)(viii)(A) |
| 05000315/LER-1997-004, :on 970228,main Steam Safety Valve Exceeds Allowable Lift Setpoint.Caused by Setpoint Drift.Valve Was Reset to Proper Setpoint |
- on 970228,main Steam Safety Valve Exceeds Allowable Lift Setpoint.Caused by Setpoint Drift.Valve Was Reset to Proper Setpoint
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000316/LER-1997-005-01, :on 970908,discovered That Under Certain Scenarios Vol of Water Resident in Active Sump Vol of Containment May Not Be Adequate to Support Long Term Eccs. Cause Unknown.Analysis Being Performed |
- on 970908,discovered That Under Certain Scenarios Vol of Water Resident in Active Sump Vol of Containment May Not Be Adequate to Support Long Term Eccs. Cause Unknown.Analysis Being Performed
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.73(a)(2)(i)(A), Completion of TS Shutdown 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2) |
| 05000316/LER-1997-005, :on 970908,condition Outside Design Basis Resulted in TS Required Shutdown.Caused by Lack of Thorough Review.New Analyses Have Been Completed & Containment Has Been Validated |
- on 970908,condition Outside Design Basis Resulted in TS Required Shutdown.Caused by Lack of Thorough Review.New Analyses Have Been Completed & Containment Has Been Validated
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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)(i)(A), Completion of TS Shutdown 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-005-01, Forwards LER 97-005-01 Which Corrects Area Name & LER Number Incorrectly Identified on Pages 2 & 3 of LER | Forwards LER 97-005-01 Which Corrects Area Name & LER Number Incorrectly Identified on Pages 2 & 3 of LER | |
| 05000315/LER-1997-005, :on 970313,discovered That Gaskets in Fire Protection Water Spray Sys Had Not Been Properly Fabricated Prior to Installation.Caused by Personnel Error.Removed Old Gasket Matl & Installed New Gaskets |
- on 970313,discovered That Gaskets in Fire Protection Water Spray Sys Had Not Been Properly Fabricated Prior to Installation.Caused by Personnel Error.Removed Old Gasket Matl & Installed New Gaskets
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 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) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-006, :on 970327,interim LER Equipment in Containment Rendered Inoperable Due to Cracked Floodup Tubes.Damaged Unit 1 EQ Futs,Replaced |
- on 970327,interim LER Equipment in Containment Rendered Inoperable Due to Cracked Floodup Tubes.Damaged Unit 1 EQ Futs,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)(x) 10 CFR 50.73(a)(2) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) 10 CFR 50.73(a)(2)(1) |
| 05000316/LER-1997-006, :on 971010,rendered Equipment in Containment Inoperable,Due to Faulted Floodup Tubes.Caused by Welding in Vicinity of Floodup Tubes.Damaged Tubes Will Be Replaced |
- on 971010,rendered Equipment in Containment Inoperable,Due to Faulted Floodup Tubes.Caused by Welding in Vicinity of Floodup Tubes.Damaged Tubes Will Be Replaced
| 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000316/LER-1997-007-01, :on 971014,contract Worker Received Exposure in Excess of 10CFR20.2202 Limits.Caused by Hot Particles in Right Shoe.Collected Particles from Shoe & Performed Analysis for Activity |
- on 971014,contract Worker Received Exposure in Excess of 10CFR20.2202 Limits.Caused by Hot Particles in Right Shoe.Collected Particles from Shoe & Performed Analysis for Activity
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-007-01, :on 970405,determined That SG Pressure Indications in CR Had Been Isolated Since 970329.Caused by Procedure Inadequacy.Revised SG Isolation Methodology Contained in Refueling Integrity Surveillance |
- on 970405,determined That SG Pressure Indications in CR Had Been Isolated Since 970329.Caused by Procedure Inadequacy.Revised SG Isolation Methodology Contained in Refueling Integrity Surveillance
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 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) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(1) |
| 05000316/LER-1997-007, :on 971014,contract Worker Received Exposure in Excess of 10CFR20.2202 Limits.Cause of Contamination Is Unknown.Particles Were Removed from Workers Shoe.Attachment 1 Withheld |
- on 971014,contract Worker Received Exposure in Excess of 10CFR20.2202 Limits.Cause of Contamination Is Unknown.Particles Were Removed from Workers Shoe.Attachment 1 Withheld
| |
| 05000315/LER-1997-007, :on 970405,TS Surveillance Requirements Not Met.Caused by Personnel Error.Instrument Isolation Valves Were Opened on 970405 |
- on 970405,TS Surveillance Requirements Not Met.Caused by Personnel Error.Instrument Isolation Valves Were Opened on 970405
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000316/LER-1997-008, :on 971024,unplanned ESF Actuation Occurred. Caused by Equipment Failure.Replaced Detector,Interface Box & Computer Components |
- on 971024,unplanned ESF Actuation Occurred. Caused by Equipment Failure.Replaced Detector,Interface Box & Computer Components
| 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)(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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-008, :on 970404,cycle 15 Operation of SGs Outside TS Tube Degradation Acceptance Criteria Occurred.Caused by Inadquate Analysis of Cecco-5 Eddy Data in 1995.Use of Cecco-5 Probes Discontinued |
- on 970404,cycle 15 Operation of SGs Outside TS Tube Degradation Acceptance Criteria Occurred.Caused by Inadquate Analysis of Cecco-5 Eddy Data in 1995.Use of Cecco-5 Probes Discontinued
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 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) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-009, :on 970415,radiation Monitor Particulate Channels Inoperable Due to Use of Incorrect Calibration Constant,Discovered.Caused by Personnel Error.Ts Action Statement for Channels W/Tss Were Entered |
- on 970415,radiation Monitor Particulate Channels Inoperable Due to Use of Incorrect Calibration Constant,Discovered.Caused by Personnel Error.Ts Action Statement for Channels W/Tss Were Entered
| 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 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) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) 10 CFR 50.73(a)(2)(B) |
| 05000316/LER-1997-009-01, :on 971126,blockage of Containment Air Recirculation Inlet Line Was Noted.Caused by Concrete Which Entered Line During Repair.Blockage Was Removed & Procedures Were Implemented to Preclude Future Blockages |
- on 971126,blockage of Containment Air Recirculation Inlet Line Was Noted.Caused by Concrete Which Entered Line During Repair.Blockage Was Removed & Procedures Were Implemented to Preclude Future Blockages
| 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000316/LER-1997-010-01, :on 971210,use of Teflon Packing on Containment Airlock Door Interlock Shaft Resulted in Potentially Degraded Condition.Caused by Unclear Written Work Instruction.Teflon Rings Were Replaced |
- on 971210,use of Teflon Packing on Containment Airlock Door Interlock Shaft Resulted in Potentially Degraded Condition.Caused by Unclear Written Work Instruction.Teflon Rings Were 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)(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) 10 CFR 50.73(a)(2)(viii)(A) |
| 05000315/LER-1997-010-01, Forwards LER 97-010-01,IAW 10CFR50.73.LER Submitted Contrary to Expected Submittal Date of 971117,which Was Stated in LER 97-010-00,dtd 970909 | Forwards LER 97-010-01,IAW 10CFR50.73.LER Submitted Contrary to Expected Submittal Date of 971117,which Was Stated in LER 97-010-00,dtd 970909 | |
| 05000315/LER-1997-010, :on 970808,unit Operation W/Lake Temperature in Excess of Design Basis Value,Was Determined.Caused by Failure to Recognize UFSAR Value & Other Design Aspects. Placed Restrictions on Plant Operation |
- on 970808,unit Operation W/Lake Temperature in Excess of Design Basis Value,Was Determined.Caused by Failure to Recognize UFSAR Value & Other Design Aspects. Placed Restrictions on Plant Operation
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-011, :on 970822,operation Was Noted Outside Design Bases for ECCS & CSP for Switchover to Recirculation Sump Suction.Caused by Ineffective Change Mgt.Revised Procedure for Switchover 01(02) Ohp 4023.ES-1.3 |
- on 970822,operation Was Noted Outside Design Bases for ECCS & CSP for Switchover to Recirculation Sump Suction.Caused by Ineffective Change Mgt.Revised Procedure for Switchover 01(02) Ohp 4023.ES-1.3
| 10 CFR 50.73(b)(1)(ii)(B) |
| 05000315/LER-1997-011-02, Forwards LER 97-011-02,re Operation Being Outside Design Bases for ECCS & Containment Spray Pumps for Switchover to Recirculation Sump Suction.Commitments Made by Util,Listed | Forwards LER 97-011-02,re Operation Being Outside Design Bases for ECCS & Containment Spray Pumps for Switchover to Recirculation Sump Suction.Commitments Made by Util,Listed | |
| 05000315/LER-1997-012, :on 970826,potential Operation of CCW Sys Above Design Basis Value for Heat Exchanger Outlet Constituted Condition Outside Design Basis.Cause Not Determined.Revised CCW Operating Procedure |
- on 970826,potential Operation of CCW Sys Above Design Basis Value for Heat Exchanger Outlet Constituted Condition Outside Design Basis.Cause Not Determined.Revised CCW Operating Procedure
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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) 10 CFR 50.73(a)(2)(viii)(A) |
| 05000315/LER-1997-012-01, :on 970826,determined That Both Units Had Operated Outside Basis for CCW Max Temperature.Caused by Procedural Error.Procedures Have Been Revised to Delete Ref to 120 Degrees F |
- on 970826,determined That Both Units Had Operated Outside Basis for CCW Max Temperature.Caused by Procedural Error.Procedures Have Been Revised to Delete Ref to 120 Degrees F
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-013, Re Control of RWST Level in Modes 5 & 6.LER 97-013-00 Retracted | Re Control of RWST Level in Modes 5 & 6.LER 97-013-00 Retracted | 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(ii)(A), Seriously Degraded 10 CFR 50.73(a)(2)(iii) 10 CFR 50.73(a)(2) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-014, :on 970829,potential for Operation in Unanalyzed Condition,Was Determined.Caused by Postulated Elevated Control Room Temperatures.Placed Restrictions on Plant Operation |
- on 970829,potential for Operation in Unanalyzed Condition,Was Determined.Caused by Postulated Elevated Control Room Temperatures.Placed Restrictions on Plant Operation
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(ii)(A), Seriously Degraded 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-014-01, Forwards LER 97-014-01,IAW 10CFR50.73.LER Submitted Contrary to Expected Submittal Date of 971117,which Was Stated in LER 97-014-00,dtd 970929 | Forwards LER 97-014-01,IAW 10CFR50.73.LER Submitted Contrary to Expected Submittal Date of 971117,which Was Stated in LER 97-014-00,dtd 970929 | |
| 05000315/LER-1997-015, :on 970902,discovered That 609 Drumming Room Did Not Meet FSAR Criterion for Monitoring of Fuel & Waste Storage.Interim LER 97-015-00 Retracted |
- on 970902,discovered That 609 Drumming Room Did Not Meet FSAR Criterion for Monitoring of Fuel & Waste Storage.Interim LER 97-015-00 Retracted
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-016, :on 970912,operation of RHR Was Contrary to Usfar Section 9.33.Cause Not Determined.Revised Procedures 1/2 Ohp 4021.017.001 |
- on 970912,operation of RHR Was Contrary to Usfar Section 9.33.Cause Not Determined.Revised Procedures 1/2 Ohp 4021.017.001
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-017, :on 970908,condition Outside Design Basis Resulted in TS Required Shutdown.Caused by Lack of Thorough Review.New Analyses Have Been Completed & Containment Has Been Validated |
- on 970908,condition Outside Design Basis Resulted in TS Required Shutdown.Caused by Lack of Thorough Review.New Analyses Have Been Completed & Containment Has Been Validated
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.73(a)(2)(i)(A), Completion of TS Shutdown 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-018, :on 970905,failure to Maintain 1/4 Inch Particulate Retention Requirement for Containment Recirculation Was Noted.Caused by Incomplete Design Change RFC-12-2361.Modifications Made |
- on 970905,failure to Maintain 1/4 Inch Particulate Retention Requirement for Containment Recirculation Was Noted.Caused by Incomplete Design Change RFC-12-2361.Modifications Made
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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)(B) |
| 05000315/LER-1997-019, :on 970911,operation Contrary to Design Bases W/Rhr Suction Valves ACI Defeated in Modes 4 & 5.Caused by Inadequate Safety Review.Requested TS Amend to Remove Surveillance Re ACI on RHR Valves |
- on 970911,operation Contrary to Design Bases W/Rhr Suction Valves ACI Defeated in Modes 4 & 5.Caused by Inadequate Safety Review.Requested TS Amend to Remove Surveillance Re ACI on RHR Valves
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-020, :Has Been Canceled |
- Has Been Canceled
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-021, :on 970910,potential Loss of All Medium & High Head Injection Occurred to Single Failure Which Could Have Prevented Fulfillment of Safety Function of Sys.Caused by Personnel Error.Revised Ohp 4023.ES-1.3 |
- on 970910,potential Loss of All Medium & High Head Injection Occurred to Single Failure Which Could Have Prevented Fulfillment of Safety Function of Sys.Caused by Personnel Error.Revised Ohp 4023.ES-1.3
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(x) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-022, :on 970911,determined That Conditions Had Not Been Properly Established in CCW Sys to Meet Plant Piping Design Code Requirements.Caused by Manual Valves Installed in CCW Sys Piping.Revised Procedure |
- on 970911,determined That Conditions Had Not Been Properly Established in CCW Sys to Meet Plant Piping Design Code Requirements.Caused by Manual Valves Installed in CCW Sys Piping.Revised Procedure
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-023, :on 970916,design Change Introduced Possibility of Single Failure Which Could Result in Loss of Both Trains of ESF Ventilation.Caused by Failure to Identify Adverse Impact.Revised Design Change |
- on 970916,design Change Introduced Possibility of Single Failure Which Could Result in Loss of Both Trains of ESF Ventilation.Caused by Failure to Identify Adverse Impact.Revised Design Change
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-024-03, Forwards LER 97-024-03,re Matl Discovered in Containment Degrades Containment Recirculation Sump & Results in Condition Outside Design Basis.Addition of Info Increased Length of LER to 6 Pages | Forwards LER 97-024-03,re Matl Discovered in Containment Degrades Containment Recirculation Sump & Results in Condition Outside Design Basis.Addition of Info Increased Length of LER to 6 Pages | |
| 05000315/LER-1997-024, :on 970917,matl Discovered in Containment Degrades Containment Recirculation Sump.Caused by Inadequate Specifications & Procedures.Specifications & Procedures Revised |
- on 970917,matl Discovered in Containment Degrades Containment Recirculation Sump.Caused by Inadequate Specifications & Procedures.Specifications & Procedures Revised
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-025, :on 970923,unplanned ESF Actuation Occurred. Caused by Small Expected Oscillation in SG Levels During Filling Operation.Deadband on SG Low Level Bistables Will Be Changed |
- on 970923,unplanned ESF Actuation Occurred. Caused by Small Expected Oscillation in SG Levels During Filling Operation.Deadband on SG Low Level Bistables Will Be Changed
| 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) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-026, :on 970925,potential for Overpressurization of Control Air Headers Was Determined to Be Unanalyzed Condition.Caused by Lack of Overpressurization Protection. Redundant SR Relief Valves Were Installed |
- on 970925,potential for Overpressurization of Control Air Headers Was Determined to Be Unanalyzed Condition.Caused by Lack of Overpressurization Protection. Redundant SR Relief Valves Were Installed
| 10 CFR 50.73(a)(2) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(A) |
| 05000315/LER-1997-027-01, :on 971028,potential for Unit to Be Outside Design Basis & Possibly in non-compliance w/10CFR50.46(b)(2) Was Noted.Caused by Use of Ifba Fuel Rods.Evaluation Is Ongoing & Will Be Completed by 980116 |
- on 971028,potential for Unit to Be Outside Design Basis & Possibly in non-compliance w/10CFR50.46(b)(2) Was Noted.Caused by Use of Ifba Fuel Rods.Evaluation Is Ongoing & Will Be Completed by 980116
| 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(x) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-027, :on 971028,both Units Had Potential to Be Outside Design Basis & Possibly in Noncompliance W/ 10CFR50.46(b)(2).Cause Is Under Investigation.Comprehensive Plan Developed |
- on 971028,both Units Had Potential to Be Outside Design Basis & Possibly in Noncompliance W/ 10CFR50.46(b)(2).Cause Is Under Investigation.Comprehensive Plan Developed
| 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000315/LER-1997-028, :on 971107,failure to Comply w/10CFR50,App R Requirements Resulted in Unanalyzed Condition.Caused by Misunderstanding of Need to Request Exemption for Use of Fire stops.Re-established Fire Watch |
- on 971107,failure to Comply w/10CFR50,App R Requirements Resulted in Unanalyzed Condition.Caused by Misunderstanding of Need to Request Exemption for Use of Fire stops.Re-established Fire Watch
| 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |