ML19308D378
From kanterella
Revision as of 05:20, 29 November 2019 by StriderTol (talk | contribs) (Created page by program invented by StriderTol)
| ML19308D378 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 01/27/1978 |
| From: | FLORIDA POWER CORP. |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| Shared Package | |
| ML19308D373 | List: |
| References | |
| LER-78-001-04X, LER-78-1-4X, NUDOCS 8002270829 | |
| Download: ML19308D378 (1) | |
Similar Documents at Crystal River | |
|---|---|
Category:LICENSEE EVENT REPORT (SEE ALSO AO
MONTHYEARML20029E5121994-05-12012 May 1994
[Table view]LER 93-008-01:on 930706,high Pressure Injection Suction Valve Determined to Be Inoperable.Caused by Lack of Engineering Review for Motor Brake Voltage Requirements. Valves Locked & Brake removed.W/940512 Ltr ML20029D7671994-05-0303 May 1994 LER 94-002-00:on 940404,performance of Surveillance Check Power Distibution Breaker Alignment & Power Availability Verification Resulted in Entry Into LCO 3.0.3.Caused by Procedure Error.Procedures revised.W/940503 Ltr ML20046C5581993-08-0404 August 1993 LER 93-008-00:on 930706,possibility of MOV W/Brakes Failing to Perform Safety Function Under Degraded Voltage Conditions Due to Lack of Engineering Review.Identified & Reviewed MOV W/Motor Brakes for Safety significance.W/930804 Ltr ML20046B4121993-07-28028 July 1993 LER 93-007-00:on 930628,noticed That Hydrogen Pressure Setpoint Found to Be Set Above 10 Psig.Caused by Personnel Error.Mod Design Package Developed to Raise Pressure Regulator setpoint.W/930728 Ltr ML20045F7741993-06-30030 June 1993 LER 93-001-01:on 930305,cooldown Exceeding Limits of TS 3.4.9.1 Experienced After Switching from SG Cooling to Dh Sys Cooling.Caused by Failure of Cv Controller.Valve Repaired & Valve Operation Instructions Revised ML20045D7741993-06-18018 June 1993 LER 93-006-00:on 930520,inadequately Secured Separation Barrier Identified That Could Affect Control Switches for safety-related Equipment on Main Control Board.Caused by Human Error.Placard Posted to Restrict area.W/930618 Ltr ML20045B4381993-06-10010 June 1993 LER 93-005-00:on 930518,notified That Control Circuit for Makeup & Purification Sys Letdown Isolation Valve Did Not Meet Electrical Isolation Criteria Due to Human Error.Mod in Development Will Be expanded.W/930610 Ltr ML20044D2101993-05-10010 May 1993 LER 93-004-00:on 930408,inappropriate Personnel Action Resulted in Degraded Class 1E Bus Voltage & Actuation of Edg.Licensee Established Addl Administrative Controls on Switchyard activities.W/930510 Ltr ML20044D1651993-05-10010 May 1993 LER 93-003-00:on 930408,determined That Insufficient Instrument Error Considered When Operating Limits for Core Flood Tank Selected.Caused by Programmatic Deficiency.Alarm Bistables Reset & Allowed Margin expanded.W/930510 Ltr ML20024H2001991-05-20020 May 1991 LER 91-003-00:on 910420,emergency Feedwater Actuation & Manual Reactor Trip Occurred.Caused by Water Instrusion Into Pump Loss of Circulating Water Pump.Plant Modification Previously initiated.W/910520 Ltr ML20024H1741991-05-17017 May 1991 LER 90-002-02:on 900216,determined That Fire Dampers May Not Be Operable Under Expected Ventilation Flow Conditions Due to Design Error.Design Basis Documents updated.W/910517 Ltr ML20029B0751991-02-28028 February 1991 LER 91-002-00:on 910129,startup Transformer Incapable of Maintaining Voltage Output Above Setpoint of Second Level Undervoltage Relays Under Es Actuation Conditions.New Offsite Power Supply installed.W/910228 Ltr ML20029A6531991-02-25025 February 1991 LER 91-001-00:on 910124,engineered Safeguards Train a HPI Recirculation Isolation Valve MUV-53 Declared Inoperable Due to Undersized Thermal Overload Elements for Motor Operator.Cause Undetermined.Elements replaced.W/910225 Ltr ML20028H7131991-01-21021 January 1991 LER 89-022-01:on 890614,erroneous Indication of Loss of Main Feedwater Pumps Occurred Resulting in Manual ESF Actuation. Temporary Loss of Supervisory Indicating Lights Expected During Bus Realignment.Procedures revised.W/910121 Ltr ML20043H5751990-06-22022 June 1990 LER 90-009-00:on 900523,discovered That Paperwork for Mod to Replace Feedwater Vent Valve Still Open 12 Months After Work Completed.Caused by Lost Blanket Work Request Re post-maint Testing.New Work Request initiated.W/900622 Ltr ML20043G6511990-06-14014 June 1990 LER 90-008-00:on 900514,determined That Fault Current Could Develop Across Engineered Safeguards 480-volt Bus Output Breakers.Caused by Failure to Perform Adequate Short Circuit Analysis.Deficient Trip Devices replaced.W/900614 Ltr ML20043C5221990-05-31031 May 1990 LER 89-035-01:on 890906,determined That Dc Powered Components Exhibited Discrepancy in Rated Voltages & Actual Voltages.Caused by Inadequate Control of Design Process.Inoperable Components replaced.W/900531 Ltr ML20043B8091990-05-23023 May 1990 LER 90-007-00:on 900112,discovered That Door Between Control Room Complex & Turbine Bldg Removed for Mod Work,Resulting in Inoperability of Both Trains of Emergency Ventilation Sys.Door Replaced & Warning Signs affixed.W/900523 Ltr ML20042G7641990-05-0909 May 1990 LER 90-006-00:on 900410,reevaluation of Design Calculations Discovered Deficient Valve Operator Installation.Sufficient Thrust Not Developed to Open or Close Valves Due to Undersized Spring Packs.Spring Packs ordered.W/900509 Ltr ML20042F9781990-05-0707 May 1990 LER 89-031-01:on 890828,480-volt Engineered Safeguards Stepdown Transformer a Faulted Causing Decay Heat Train Closed Cycle Cooling Pump a to Deenergize.Caused by Degraded Insulation.Transformer replaced.W/900507 Ltr ML20012D8091990-03-22022 March 1990 LER 90-003-00:on 900220,instrument Fluctuation Noted During Surveillance of Chilled Water Pump.Caused by Location of Flow Element within Chilled Water Sys.Relief Request Submitted & Field Problem Rept generated.W/900322 Ltr ML20012D0281990-03-19019 March 1990 LER 90-002-00:on 900216,determined That Fire Dampers May Not Be Operable Under Expected Ventilation Flow Conditions Due to Design Error.Caused by Failure of Original Design Criteria to Address Need.Documentation updated.W/900319 Ltr ML20011F1731990-02-21021 February 1990 LER 90-001-00:on 900221,RCS Leakage Calculations Indicated That Unidentified Leakage Exceeded Tech Spec Limits.Caused by Failed Packing on Block Valve.Valve Repacked During Feb 1990 Maint outage.W/900221 Ltr ML19354D9091990-01-17017 January 1990 LER 89-016-03:on 890426,administrative Problems Caused Deficiencies in Environ Qualification Program That Resulted in Plant Equipment Not Being Properly Qualified.Effort to Correct Environ Qualification Deficiencies Underway ML20006E3941990-01-0808 January 1990 LER 89-041-00:on 891208,partial,simultaneous Withdrawal of Two Control Rod Safety Groups Occurred & Safety Group 3 Control Transferred to Auxiliary Power Supply.Cause Undetermined.Select Relays replaced.W/900207 Ltr ML20005F1601990-01-0808 January 1990 LER 89-040-00:on 891208,emergency Diesel Generators a & B Actuated Due to Degraded Voltage When Condensate Pump Started.Operator Guidelines & Procedures for Starting Condensate Pumps Being revised.W/900108 Ltr ML20011D8401989-12-22022 December 1989 LER 89-030-01:on 890824,determined That Pump Discharge Pressure & Flow Less than Required.On 890826,plant Entered Hot Standby.Caused by Installation of Incorrect Impeller in Pump.Original Impeller Reinstalled Upon repair.W/891222 Ltr ML20011D2281989-12-15015 December 1989 LER 89-026-01:on 890629,emergency Diesel Generator 1B Failed post-maint Test & Could Not Be Returned to Svc within Time Allowed by Tech Specs.Caused by Rotor Not Turning.Crankcase Vapor Ejector cleaned.W/891215 Ltr ML19332E7691989-12-0707 December 1989 LER 89-039-00:on 891107,determined That Control Circuits for Two Makeup Valves Did Not Meet Separation Criteria of 10CFR50 App R.Caused by Cognitive Personnel Error.Roving Fire Watch Patrol Confirmed in effect.W/891207 Ltr ML19332F0171989-11-30030 November 1989 LER 89-038-00:on 891029,util Engineers Discovered That Administrative Controls Not in Place for Three Makeup & Purification Sys Valves.Caused by Personnel Error.Plant Procedures revised.W/891130 Ltr ML19332D1391989-11-27027 November 1989 LER 89-037-00:on 891026,determined That Instrumentation Used to Balance HPI Flow Through Four Injection Lines During Small Break LOCA Inadequate.Caused by Inadequate Review of B&W Guidelines.Flow Instrument installed.W/891127 Ltr ML19327C2611989-11-17017 November 1989 LER 89-036-00:on 891018,determined That Plant Operating Outside Design Basis Since Borated Water Storage Tank Level Transmitters Not Seismically Qualified.Caused by Personnel Error.Unqualified Transmitters replaced.W/891117 Ltr ML19325F3371989-11-10010 November 1989 LER 89-033-00:on 890908,second Level Undervoltage Relay Sys Setpoint for Engineered Safeguards Buses Not Conservative & Led to Operation Outside Plant Design Basis.Caused by Personnel Error.Setpoint changed.W/891110 Ltr ML19325F3341989-11-10010 November 1989 LER 89-035-00:on 890906,discrepancy Noted in dc-powered Component Rated Voltages & Actual Voltages Seen by Components.Caused by Inadequate Control of Design Process. All Components Replaced Prior to startup.W/891110 Ltr ML19325E7371989-10-27027 October 1989 LER 85-034-01:on 850310,valve Alarm Function for Core Flood Tank Isolation Valves Failed to Meet Acceptance Criteria.On 850809,unit Entered Mode 3 & Then Raised RCS Pressure Above 750 Psig W/O Meeting Operability surveillances.W/891027 Ltr ML19324B3921989-10-26026 October 1989 LER 88-002-02:on 880107,emergency Feedwater Actuation Occurred on Loss of Both Main Feedwater Pumps.Caused by Instrumentation & Control Technician Error.Idle Feedwater Pump Started & Actuation reset.W/891026 Ltr ML19324B3871989-10-26026 October 1989 LER 89-034-00:on 890926,two Conditions Determined to Be Outside Plant Design Basis Re Solenoid Control Valves.Caused by Cognitive Personnel Error.Test Solenoid Valve Circuits Provided W/Isolation fuses.W/891026 Ltr ML19327B2301989-10-23023 October 1989 LER 89-016-02:from 890227-0601,deficiencies Re Environ Qualification of Plant Equipment Discovered.Caused by Deficiencies in Detailed Development & Implementation of Environ Qualification Program.Program reviewed.W/891023 Ltr ML20024D2501983-07-26026 July 1983 Updated LER 83-019/03L-1:on 830406,breaker in Engineered Safeguards Motor Control Ctr 3B1 Shorted Out,Causing Various Pieces of Equipment on Train B to Be Inoperable.Caused by Personnel Error.Breaker Removed & cleaned.W/830726 Ltr ML20024D1491983-07-26026 July 1983 Updated LER 82-003/01T-0:on 820128,RCS Leakage Calculations Showed Unidentified Leakage at Rate Greater than 1 Gpm. Caused by Thermally Induced Cyclic Failure.New Valve Will Be Installed in Improved location.W/830726 Ltr ML20024D1061983-07-26026 July 1983 Updated LER 82-004/01T-1:on 820129,while Performing Visual Insp of Reactor Coolant Pump a Seal Package,Rcpb Leakage Discovered from Crack in Seal Weld.Caused by Installation Error.Seal Replaced & Procedures revised.W/830726 Ltr ML20024C0951983-06-27027 June 1983 LER 83-023/01T-0:on 830613,fire Damper FD-86,in Duct Work Between Auxiliary Bldg & Control Complex,Discovered Missing. Cause Unknown.Continuous Fire Watch Established.Evaluation underway.W/830627 Ltr ML20023E0971983-06-0101 June 1983 LER 83-021/03L-0:on 830504,three Hydraulic Snubbers Failed Functional Test During Dec Outage & 107 Snubbers Failed Test During Refuel Iv.Caused by Seal Failure & Valve Assembly Contamination.All Snubbers modified.W/830531 Ltr ML20023C5251983-05-0909 May 1983 LER 83-020/03L-0:on 830409,discovered That Surveillance Interval for Fire Detection Instrumentation in Emergency Diesel Generator & Control Rooms Exceeded by 6 Months.Caused by Procedural Inadequacy.Procedure SP-411 Will Be Revised ML20023B4091983-04-27027 April 1983 LER 83-018/01T-0:on 830413,preliminary Repts Received from B&W Indicating That 51 of 120 Upper Core Barrel Bolts Ultrasonically Tested May Be Defective.Cause Unknown. Investigation Underway.Supplemental Rept Will Be Written ML20028E0561983-01-13013 January 1983 LER 82-075/03L-0:on 821215,during Cold Shutdown,Circuit Breaker on Control Complex Ventilation Radiation Monitor RMA-5 Tripped.Caused by Broken Pump Vane Binding Pump. Pump Replaced ML20028A5321982-11-10010 November 1982 LER 82-063/03L-0:on 821011,reactor Bldg Average Air Temp Exceeded 130 F Limit.Caused by Strain on Instrument Air Line Causing Line to Split.Line Replaced on 821011 ML20027D7021982-10-29029 October 1982 LER 82-061/03L-0:on 820929,fan Damper Operator on Industrial Cooler Failed,Resulting in Reactor Bldg Average Air Temp Exceeding 130 F.Caused by Water in Instrument Air Sys Due to Personnel Failing to Close Valve FSV-250.Dampers Wired Open ML20027B8881982-09-24024 September 1982 LER 82-055/03L-0:on 820825,feedwater Ultrasonic Flow Indicator FW-313-FI Found Inoperable.Caused by Instrument Failure Due to High Ambient Temp at Instrument Cabinet Location.Instrument Repaired.Flow Transmitters Replaced ML20027B9001982-09-24024 September 1982 LER 82-056/03L-0:on 820827,during Normal Operation,Primary Containment Average Air Temp Exceeded 130 F Tech Spec Limit. Caused by Failure of Pneumatic Control Line for Industrial Coolers.Control Line Replaced & Coolers Returned to Svc 1994-05-03 Category:RO) MONTHYEARML20029E5121994-05-12012 May 1994
[Table view]LER 93-008-01:on 930706,high Pressure Injection Suction Valve Determined to Be Inoperable.Caused by Lack of Engineering Review for Motor Brake Voltage Requirements. Valves Locked & Brake removed.W/940512 Ltr ML20029D7671994-05-0303 May 1994 LER 94-002-00:on 940404,performance of Surveillance Check Power Distibution Breaker Alignment & Power Availability Verification Resulted in Entry Into LCO 3.0.3.Caused by Procedure Error.Procedures revised.W/940503 Ltr ML20046C5581993-08-0404 August 1993 LER 93-008-00:on 930706,possibility of MOV W/Brakes Failing to Perform Safety Function Under Degraded Voltage Conditions Due to Lack of Engineering Review.Identified & Reviewed MOV W/Motor Brakes for Safety significance.W/930804 Ltr ML20046B4121993-07-28028 July 1993 LER 93-007-00:on 930628,noticed That Hydrogen Pressure Setpoint Found to Be Set Above 10 Psig.Caused by Personnel Error.Mod Design Package Developed to Raise Pressure Regulator setpoint.W/930728 Ltr ML20045F7741993-06-30030 June 1993 LER 93-001-01:on 930305,cooldown Exceeding Limits of TS 3.4.9.1 Experienced After Switching from SG Cooling to Dh Sys Cooling.Caused by Failure of Cv Controller.Valve Repaired & Valve Operation Instructions Revised ML20045D7741993-06-18018 June 1993 LER 93-006-00:on 930520,inadequately Secured Separation Barrier Identified That Could Affect Control Switches for safety-related Equipment on Main Control Board.Caused by Human Error.Placard Posted to Restrict area.W/930618 Ltr ML20045B4381993-06-10010 June 1993 LER 93-005-00:on 930518,notified That Control Circuit for Makeup & Purification Sys Letdown Isolation Valve Did Not Meet Electrical Isolation Criteria Due to Human Error.Mod in Development Will Be expanded.W/930610 Ltr ML20044D2101993-05-10010 May 1993 LER 93-004-00:on 930408,inappropriate Personnel Action Resulted in Degraded Class 1E Bus Voltage & Actuation of Edg.Licensee Established Addl Administrative Controls on Switchyard activities.W/930510 Ltr ML20044D1651993-05-10010 May 1993 LER 93-003-00:on 930408,determined That Insufficient Instrument Error Considered When Operating Limits for Core Flood Tank Selected.Caused by Programmatic Deficiency.Alarm Bistables Reset & Allowed Margin expanded.W/930510 Ltr ML20024H2001991-05-20020 May 1991 LER 91-003-00:on 910420,emergency Feedwater Actuation & Manual Reactor Trip Occurred.Caused by Water Instrusion Into Pump Loss of Circulating Water Pump.Plant Modification Previously initiated.W/910520 Ltr ML20024H1741991-05-17017 May 1991 LER 90-002-02:on 900216,determined That Fire Dampers May Not Be Operable Under Expected Ventilation Flow Conditions Due to Design Error.Design Basis Documents updated.W/910517 Ltr ML20029B0751991-02-28028 February 1991 LER 91-002-00:on 910129,startup Transformer Incapable of Maintaining Voltage Output Above Setpoint of Second Level Undervoltage Relays Under Es Actuation Conditions.New Offsite Power Supply installed.W/910228 Ltr ML20029A6531991-02-25025 February 1991 LER 91-001-00:on 910124,engineered Safeguards Train a HPI Recirculation Isolation Valve MUV-53 Declared Inoperable Due to Undersized Thermal Overload Elements for Motor Operator.Cause Undetermined.Elements replaced.W/910225 Ltr ML20028H7131991-01-21021 January 1991 LER 89-022-01:on 890614,erroneous Indication of Loss of Main Feedwater Pumps Occurred Resulting in Manual ESF Actuation. Temporary Loss of Supervisory Indicating Lights Expected During Bus Realignment.Procedures revised.W/910121 Ltr ML20043H5751990-06-22022 June 1990 LER 90-009-00:on 900523,discovered That Paperwork for Mod to Replace Feedwater Vent Valve Still Open 12 Months After Work Completed.Caused by Lost Blanket Work Request Re post-maint Testing.New Work Request initiated.W/900622 Ltr ML20043G6511990-06-14014 June 1990 LER 90-008-00:on 900514,determined That Fault Current Could Develop Across Engineered Safeguards 480-volt Bus Output Breakers.Caused by Failure to Perform Adequate Short Circuit Analysis.Deficient Trip Devices replaced.W/900614 Ltr ML20043C5221990-05-31031 May 1990 LER 89-035-01:on 890906,determined That Dc Powered Components Exhibited Discrepancy in Rated Voltages & Actual Voltages.Caused by Inadequate Control of Design Process.Inoperable Components replaced.W/900531 Ltr ML20043B8091990-05-23023 May 1990 LER 90-007-00:on 900112,discovered That Door Between Control Room Complex & Turbine Bldg Removed for Mod Work,Resulting in Inoperability of Both Trains of Emergency Ventilation Sys.Door Replaced & Warning Signs affixed.W/900523 Ltr ML20042G7641990-05-0909 May 1990 LER 90-006-00:on 900410,reevaluation of Design Calculations Discovered Deficient Valve Operator Installation.Sufficient Thrust Not Developed to Open or Close Valves Due to Undersized Spring Packs.Spring Packs ordered.W/900509 Ltr ML20042F9781990-05-0707 May 1990 LER 89-031-01:on 890828,480-volt Engineered Safeguards Stepdown Transformer a Faulted Causing Decay Heat Train Closed Cycle Cooling Pump a to Deenergize.Caused by Degraded Insulation.Transformer replaced.W/900507 Ltr ML20012D8091990-03-22022 March 1990 LER 90-003-00:on 900220,instrument Fluctuation Noted During Surveillance of Chilled Water Pump.Caused by Location of Flow Element within Chilled Water Sys.Relief Request Submitted & Field Problem Rept generated.W/900322 Ltr ML20012D0281990-03-19019 March 1990 LER 90-002-00:on 900216,determined That Fire Dampers May Not Be Operable Under Expected Ventilation Flow Conditions Due to Design Error.Caused by Failure of Original Design Criteria to Address Need.Documentation updated.W/900319 Ltr ML20011F1731990-02-21021 February 1990 LER 90-001-00:on 900221,RCS Leakage Calculations Indicated That Unidentified Leakage Exceeded Tech Spec Limits.Caused by Failed Packing on Block Valve.Valve Repacked During Feb 1990 Maint outage.W/900221 Ltr ML19354D9091990-01-17017 January 1990 LER 89-016-03:on 890426,administrative Problems Caused Deficiencies in Environ Qualification Program That Resulted in Plant Equipment Not Being Properly Qualified.Effort to Correct Environ Qualification Deficiencies Underway ML20006E3941990-01-0808 January 1990 LER 89-041-00:on 891208,partial,simultaneous Withdrawal of Two Control Rod Safety Groups Occurred & Safety Group 3 Control Transferred to Auxiliary Power Supply.Cause Undetermined.Select Relays replaced.W/900207 Ltr ML20005F1601990-01-0808 January 1990 LER 89-040-00:on 891208,emergency Diesel Generators a & B Actuated Due to Degraded Voltage When Condensate Pump Started.Operator Guidelines & Procedures for Starting Condensate Pumps Being revised.W/900108 Ltr ML20011D8401989-12-22022 December 1989 LER 89-030-01:on 890824,determined That Pump Discharge Pressure & Flow Less than Required.On 890826,plant Entered Hot Standby.Caused by Installation of Incorrect Impeller in Pump.Original Impeller Reinstalled Upon repair.W/891222 Ltr ML20011D2281989-12-15015 December 1989 LER 89-026-01:on 890629,emergency Diesel Generator 1B Failed post-maint Test & Could Not Be Returned to Svc within Time Allowed by Tech Specs.Caused by Rotor Not Turning.Crankcase Vapor Ejector cleaned.W/891215 Ltr ML19332E7691989-12-0707 December 1989 LER 89-039-00:on 891107,determined That Control Circuits for Two Makeup Valves Did Not Meet Separation Criteria of 10CFR50 App R.Caused by Cognitive Personnel Error.Roving Fire Watch Patrol Confirmed in effect.W/891207 Ltr ML19332F0171989-11-30030 November 1989 LER 89-038-00:on 891029,util Engineers Discovered That Administrative Controls Not in Place for Three Makeup & Purification Sys Valves.Caused by Personnel Error.Plant Procedures revised.W/891130 Ltr ML19332D1391989-11-27027 November 1989 LER 89-037-00:on 891026,determined That Instrumentation Used to Balance HPI Flow Through Four Injection Lines During Small Break LOCA Inadequate.Caused by Inadequate Review of B&W Guidelines.Flow Instrument installed.W/891127 Ltr ML19327C2611989-11-17017 November 1989 LER 89-036-00:on 891018,determined That Plant Operating Outside Design Basis Since Borated Water Storage Tank Level Transmitters Not Seismically Qualified.Caused by Personnel Error.Unqualified Transmitters replaced.W/891117 Ltr ML19325F3371989-11-10010 November 1989 LER 89-033-00:on 890908,second Level Undervoltage Relay Sys Setpoint for Engineered Safeguards Buses Not Conservative & Led to Operation Outside Plant Design Basis.Caused by Personnel Error.Setpoint changed.W/891110 Ltr ML19325F3341989-11-10010 November 1989 LER 89-035-00:on 890906,discrepancy Noted in dc-powered Component Rated Voltages & Actual Voltages Seen by Components.Caused by Inadequate Control of Design Process. All Components Replaced Prior to startup.W/891110 Ltr ML19325E7371989-10-27027 October 1989 LER 85-034-01:on 850310,valve Alarm Function for Core Flood Tank Isolation Valves Failed to Meet Acceptance Criteria.On 850809,unit Entered Mode 3 & Then Raised RCS Pressure Above 750 Psig W/O Meeting Operability surveillances.W/891027 Ltr ML19324B3921989-10-26026 October 1989 LER 88-002-02:on 880107,emergency Feedwater Actuation Occurred on Loss of Both Main Feedwater Pumps.Caused by Instrumentation & Control Technician Error.Idle Feedwater Pump Started & Actuation reset.W/891026 Ltr ML19324B3871989-10-26026 October 1989 LER 89-034-00:on 890926,two Conditions Determined to Be Outside Plant Design Basis Re Solenoid Control Valves.Caused by Cognitive Personnel Error.Test Solenoid Valve Circuits Provided W/Isolation fuses.W/891026 Ltr ML19327B2301989-10-23023 October 1989 LER 89-016-02:from 890227-0601,deficiencies Re Environ Qualification of Plant Equipment Discovered.Caused by Deficiencies in Detailed Development & Implementation of Environ Qualification Program.Program reviewed.W/891023 Ltr ML20024D2501983-07-26026 July 1983 Updated LER 83-019/03L-1:on 830406,breaker in Engineered Safeguards Motor Control Ctr 3B1 Shorted Out,Causing Various Pieces of Equipment on Train B to Be Inoperable.Caused by Personnel Error.Breaker Removed & cleaned.W/830726 Ltr ML20024D1491983-07-26026 July 1983 Updated LER 82-003/01T-0:on 820128,RCS Leakage Calculations Showed Unidentified Leakage at Rate Greater than 1 Gpm. Caused by Thermally Induced Cyclic Failure.New Valve Will Be Installed in Improved location.W/830726 Ltr ML20024D1061983-07-26026 July 1983 Updated LER 82-004/01T-1:on 820129,while Performing Visual Insp of Reactor Coolant Pump a Seal Package,Rcpb Leakage Discovered from Crack in Seal Weld.Caused by Installation Error.Seal Replaced & Procedures revised.W/830726 Ltr ML20024C0951983-06-27027 June 1983 LER 83-023/01T-0:on 830613,fire Damper FD-86,in Duct Work Between Auxiliary Bldg & Control Complex,Discovered Missing. Cause Unknown.Continuous Fire Watch Established.Evaluation underway.W/830627 Ltr ML20023E0971983-06-0101 June 1983 LER 83-021/03L-0:on 830504,three Hydraulic Snubbers Failed Functional Test During Dec Outage & 107 Snubbers Failed Test During Refuel Iv.Caused by Seal Failure & Valve Assembly Contamination.All Snubbers modified.W/830531 Ltr ML20023C5251983-05-0909 May 1983 LER 83-020/03L-0:on 830409,discovered That Surveillance Interval for Fire Detection Instrumentation in Emergency Diesel Generator & Control Rooms Exceeded by 6 Months.Caused by Procedural Inadequacy.Procedure SP-411 Will Be Revised ML20023B4091983-04-27027 April 1983 LER 83-018/01T-0:on 830413,preliminary Repts Received from B&W Indicating That 51 of 120 Upper Core Barrel Bolts Ultrasonically Tested May Be Defective.Cause Unknown. Investigation Underway.Supplemental Rept Will Be Written ML20028E0561983-01-13013 January 1983 LER 82-075/03L-0:on 821215,during Cold Shutdown,Circuit Breaker on Control Complex Ventilation Radiation Monitor RMA-5 Tripped.Caused by Broken Pump Vane Binding Pump. Pump Replaced ML20028A5321982-11-10010 November 1982 LER 82-063/03L-0:on 821011,reactor Bldg Average Air Temp Exceeded 130 F Limit.Caused by Strain on Instrument Air Line Causing Line to Split.Line Replaced on 821011 ML20027D7021982-10-29029 October 1982 LER 82-061/03L-0:on 820929,fan Damper Operator on Industrial Cooler Failed,Resulting in Reactor Bldg Average Air Temp Exceeding 130 F.Caused by Water in Instrument Air Sys Due to Personnel Failing to Close Valve FSV-250.Dampers Wired Open ML20027B8881982-09-24024 September 1982 LER 82-055/03L-0:on 820825,feedwater Ultrasonic Flow Indicator FW-313-FI Found Inoperable.Caused by Instrument Failure Due to High Ambient Temp at Instrument Cabinet Location.Instrument Repaired.Flow Transmitters Replaced ML20027B9001982-09-24024 September 1982 LER 82-056/03L-0:on 820827,during Normal Operation,Primary Containment Average Air Temp Exceeded 130 F Tech Spec Limit. Caused by Failure of Pneumatic Control Line for Industrial Coolers.Control Line Replaced & Coolers Returned to Svc 1994-05-03 Category:TEXT-SAFETY REPORT MONTHYEARML20217G0191999-10-15015 October 1999
[Table view]Safety Evaluation Concluding That Licensee Followed Analytical Methods Provided in GL 90-05.Grants Relief Until Next Refueling Outage,Scheduled to Start on 991001.Temporary non-Code Repair Must Then Be Replaced with Code Repair 3F1099-19, Part 21 Rept Re Damage on safety-grade Cable Provided to FPC by Bicc Brand-Rex Co.Damage Was Created During Cabling Process While Combining Three Conducters.Corrective Action Program Precursor Card PC99-2868 Was Initiated1999-10-13013 October 1999 Part 21 Rept Re Damage on safety-grade Cable Provided to FPC by Bicc Brand-Rex Co.Damage Was Created During Cabling Process While Combining Three Conducters.Corrective Action Program Precursor Card PC99-2868 Was Initiated ML20217B0931999-10-0606 October 1999 Part 21 Rept Re Damaged Safety Grade Electrical Cabling Found in Supply on 990831.Damage Created During Cabling Process While Combining Three Conductors Just Prior to Closing.Vendor Notified of Reporting of Issue ML20212L0881999-10-0404 October 1999 SER Accepting Licensee Requests for Relief 98-012 to 98-018 Related to Implementation of Subsections IWE & Iwl of ASME Section XI for Containment Insp for Crystal River Unit 3 ML20212J8631999-10-0101 October 1999 Safety Evaluation Supporting Licensee Proposed Alternatives to Provide Reasonable Assurance of Structural Integrity of Subject Welds & Provide Acceptable Level of Quality & Safety.Relief Granted Per 10CFR50.55a(g)(6)(i) ML20212E9031999-09-30030 September 1999 FPC Crystal River Unit 3 Plant Reference Simulator Four Year Simulator Certification Rept Sept 1995-Sept 1999 3F1099-02, Monthly Operating Rept for Sept 1999 for Crystal River,Unit 3.With1999-09-30030 September 1999 Monthly Operating Rept for Sept 1999 for Crystal River,Unit 3.With ML20212E6911999-09-21021 September 1999 Safety Evaluation Supporting Proposed EALs Changes for Plant Unit 3.Changes Meet Requirements of 10CFR50.47(b)(4) & App E to 10CFR50 ML20211L1321999-08-31031 August 1999 EAL Basis Document 3F0999-02, Monthly Operating Rept for Aug 1999 for Crystal River,Unit 3.With1999-08-31031 August 1999 Monthly Operating Rept for Aug 1999 for Crystal River,Unit 3.With ML20212C1501999-08-31031 August 1999 Non-proprietary Version of Rev 0 to Crystal River Unit 3 Enhanced Spent Fuel Storage Engineering Input to LAR Number 239 ML20211B7291999-08-16016 August 1999 Rev 2 to Cycle 11 Colr ML20210P1111999-08-0505 August 1999 SER Accepting Evaluation of Third 10-year Interval Inservice Insp Program Requests for Relief for Plant,Unit 3 ML20210U5341999-07-31031 July 1999 Monthly Operating Rept for July 1999 for Crystal River,Unit 3 ML20209F5601999-07-31031 July 1999 EAL Basis Document, for Jul 1999 3F0799-01, Monthly Operating Rept for June 1999 for Crystal River,Unit 3.With1999-06-30030 June 1999 Monthly Operating Rept for June 1999 for Crystal River,Unit 3.With ML20210U5411999-06-30030 June 1999 Revised Monthly Operating Rept for June 1999 for Crystal River,Unit 3 3F0699-07, Monthly Operating Rept for May 1999 for Crystal River,Unit 3.With1999-05-31031 May 1999 Monthly Operating Rept for May 1999 for Crystal River,Unit 3.With ML20210U5601999-05-31031 May 1999 Revised Monthly Operating Rept for May 1999 for Crystal River,Unit 3 ML20195C6271999-05-28028 May 1999 Non-proprietary Rev 0 to Addendum to Topical Rept BAW-2346P, CR-3 Plant Specific MSLB Leak Rates ML20196L2031999-05-19019 May 1999 Non-proprietary Rev 0 to BAW-2346NP, Alternate Repair Criteria for Tube End Cracking in Tube-to-Tubesheet Roll Joint of Once-Through Sgs 3F0599-04, Monthly Operating Rept for Apr 1999 for Crystal River Unit 3.With1999-04-30030 April 1999 Monthly Operating Rept for Apr 1999 for Crystal River Unit 3.With ML20210U5631999-04-30030 April 1999 Revised Monthly Operating Rept for Apr 1999 for Crystal River,Unit 3 3F0499-04, Monthly Operating Rept for Mar 1999 for Crystal River Unit 3.With1999-03-31031 March 1999 Monthly Operating Rept for Mar 1999 for Crystal River Unit 3.With ML20204D9661999-03-31031 March 1999 Non-proprietary Rev 1,Addendum a to BAW-2342, OTSG Repair Roll Qualification Rept 3F0399-04, Special Rept 99-01:on 990310,discovered Containment Tendons That Required Grease Addition in Excess of Prescribed Limits During Recent Insp Activites.Six Tendons Were Refilled with Appropriate Amount of Grease1999-03-10010 March 1999 Special Rept 99-01:on 990310,discovered Containment Tendons That Required Grease Addition in Excess of Prescribed Limits During Recent Insp Activites.Six Tendons Were Refilled with Appropriate Amount of Grease 3F0399-03, Monthly Operating Rept for Feb 1999 for Crystal River Unit 3.With1999-02-28028 February 1999 Monthly Operating Rept for Feb 1999 for Crystal River Unit 3.With ML20203A4381999-02-0303 February 1999 Safety Evaluation Supporting EAL Changes for License DPR-72, Per 10CFR50.47(b)(4) & App E to 10CFR50 ML20206E9891998-12-31031 December 1998 Kissimmee Utility Authority 1998 Annual Rept ML20206E9021998-12-31031 December 1998 Florida Progress Corp 1998 Annual Rept ML20206E9701998-12-31031 December 1998 Ouc 1998 Annual Rept. with Financial Statements from Seminole Electric Cooperative,Inc 3F0199-05, Monthly Operating Rept for Dec 1998 for Crystal River Unit 3.With1998-12-31031 December 1998 Monthly Operating Rept for Dec 1998 for Crystal River Unit 3.With ML20206E9261998-12-31031 December 1998 Gainesville Regional Utilities 1998 Annual Rept 3F1298-13, Monthly Operating Rept for Nov 1998 for Crystal River,Unit 3.With1998-11-30030 November 1998 Monthly Operating Rept for Nov 1998 for Crystal River,Unit 3.With 3F1198-05, Monthly Operating Rept for Oct 1998 for Crystal River,Unit 3.With1998-10-31031 October 1998 Monthly Operating Rept for Oct 1998 for Crystal River,Unit 3.With ML20155F4071998-10-31031 October 1998 Rev 2 to Pressure/Temp Limits Rept ML20155J2701998-10-28028 October 1998 Second Ten-Year Insp Interval Closeout Summary Rept 3F1098-06, Monthly Operating Rept for Sept 1998 for Crystal River Unit 3.With1998-09-30030 September 1998 Monthly Operating Rept for Sept 1998 for Crystal River Unit 3.With ML20206E9461998-09-30030 September 1998 Utilities Commission City of New Smyrna Beach,Fl Comprehensive Annual Financial Rept Sept 30,1998 & 1997 ML20206E9561998-09-30030 September 1998 City of Ocala Comprehensive Annual Financial Rept for Yr Ended 980930 ML20206E9101998-09-30030 September 1998 City of Bushnell Fl Comprehensive Annual Financial Rept for Fiscal Yr Ended 980930 ML20206E9811998-09-30030 September 1998 City of Tallahassee,Fl Comprehensive Annual Financial Rept for Yr Ended 980930 ML20195E3121998-09-30030 September 1998 Comprehensive Annual Financial Rept for City of Leesburg,Fl Fiscal Yr Ended 980930 3F0998-07, Monthly Operating Rept for Aug 1998 for Crystal River Unit 3.With1998-08-31031 August 1998 Monthly Operating Rept for Aug 1998 for Crystal River Unit 3.With ML20236W6501998-07-31031 July 1998 Emergency Action Level Basis Document 3F0898-02, Monthly Operating Rept for Jul 1998 for Crystal River,Unit 11998-07-31031 July 1998 Monthly Operating Rept for Jul 1998 for Crystal River,Unit 1 ML20236V8801998-07-30030 July 1998 Control Room Habitability Rept 3F0798-01, Monthly Operating Rept for June 1998 for Crystal River Unit 31998-06-30030 June 1998 Monthly Operating Rept for June 1998 for Crystal River Unit 3 ML20236Q4611998-06-30030 June 1998 SER for Crystal River Power Station,Unit 3,individual Plant Exam (Ipe).Concludes That Plant IPE Complete Re Info Requested by GL 88-20 & IPE Results Reasonable Given Plant Design,Operation & History 3F0698-02, Monthly Operating Rept for May 1998 for Crystal River Unit 31998-05-31031 May 1998 Monthly Operating Rept for May 1998 for Crystal River Unit 3 1999-09-30 |
Text
Retrieved from "https://kanterella.com/w/index.php?title=ML19308D378&oldid=2209390"