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Issue date | Title | Topic | |
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05000311/LER-1990-026 | 9 July 1990 | LER 90-026-00:on 900609,radiation Monitoring Sys Channel 2R12B Failed Low.Caused by Design/Equipment Concerns.Failed Components Replaced & Pins Connecting Backplane Replaced W/Longer pins.W/900709 Ltr | |
05000311/LER-1990-027 | 17 July 1990 | LER 90-027-00:on 900628,determined That ESF Signal Actuation 2R41C Channel Failed Low Due to 2R45 Interlock.Caused by Design/Equipment Concerns.Engineering Investigated Concerns & Uninterruptable Power Sys installed.W/900717 Ltr | |
05000311/LER-1990-030 | 24 July 1990 | LER 90-030-00:on 900703,ESF Actuation Containment Purge/ Pressure Vacuum Relief Sys Isolation Occurred After Channel Function Not Placed in Block.Caused by Personnel Error. Individuals Involved Held accountable.W/900724 Ltr | |
05000354/LER-1988-022, Special Rept 88-006-00:on 880826,HPCI Injection Occurred. Caused by Low Reactor Vessel Level Signal Following Reactor Scram Described in LER 88-022-00.HPCI Injection Nozzle Usage Factor Not Calculated | 21 November 1988 | Special Rept 88-006-00:on 880826,HPCI Injection Occurred. Caused by Low Reactor Vessel Level Signal Following Reactor Scram Described in LER 88-022-00.HPCI Injection Nozzle Usage Factor Not Calculated | |
05000354/LER-1990-008 | 5 July 1990 | LER 90-008-00:on 900604,reactor Bldg Exhaust Radiation Monitor Trip Setpoint Found Nonconservatively High.Caused by Personnel Error.Technicians Disciplined,Rept Reviewed W/All Personnel & Setpoint Included in procedure.W/900705 Ltr | |
05000354/LER-1990-009 | 5 July 1990 | LER 90-009-00:on 900607,HPCI Sys Oil Samples Indicated High Water Content & Traces of Sediment Contamination.Caused by Design Deficiency in HPCI Turbine Lube Oil Reservoir. Reservoir Cleaned,Flushed & Wiped down.W/900705 Ltr | |
FVY-86-105, Part 21 Rept Re Design Defect Relating to Limitorque Motor Operators Mfg Prior to 1975.Mfg Contacted & Retrofit Kits Installed on safety-related & nonsafety-related Operators. Addl Info Encl | 10 November 1986 | Part 21 Rept Re Design Defect Relating to Limitorque Motor Operators Mfg Prior to 1975.Mfg Contacted & Retrofit Kits Installed on safety-related & nonsafety-related Operators. Addl Info Encl | |
IA-84-843, Safety Evaluation Supporting Amend 25 to License DPR-75 | 30 August 1984 | Safety Evaluation Supporting Amend 25 to License DPR-75 | Fire Barrier Nondestructive Examination Liquid penetrant |
IR 05000311/1979019 | 10 November 1979 | Updated LER 79-054/01X-1:on 790824,three Snubbers on Main Feedwater 14 During Refueling Outage Per Followup to NRC Insp Rept 50-311/79-19.Caused by Extreme Shock Load.Snubbers Replaced | |
LR-N966376, Monthly Operating Rept for Oct 1996 for Hope Creek Generation Station Unit 1 | 31 October 1996 | Monthly Operating Rept for Oct 1996 for Hope Creek Generation Station Unit 1 | Safe Shutdown Temporary Modification Fuel cladding |
LR-N970110, Monthly Operating Rept for Jan 1997 for Hope Creek Generation Station Unit 1 | 31 January 1997 | Monthly Operating Rept for Jan 1997 for Hope Creek Generation Station Unit 1 | Safe Shutdown Offsite Dose Calculation Manual Tornado Missile Temporary Modification Tornado Generated Missile Fuel cladding Through Wall Leak |
LR-N970247, Special Rept 97-01:on 970317,test Failure of 1D-G-400, D Edg.Caused by Failed Emergency Start Preset Relay. Relay Was Immediately Replaced & Retest of D EDG Was Satisfactory | 14 April 1997 | Special Rept 97-01:on 970317,test Failure of 1D-G-400, D Edg.Caused by Failed Emergency Start Preset Relay. Relay Was Immediately Replaced & Retest of D EDG Was Satisfactory | |
LR-N970321, Monthly Operating Rept for Apr 1997 for Hope Creek Generating Station | 30 April 1997 | Monthly Operating Rept for Apr 1997 for Hope Creek Generating Station | Safe Shutdown Safety Limit Minimum Critical Power Ratio Temporary Modification |
LR-N970503, Monthly Operating Rept for Jul 1997 for Hope Creek Generating Plant Unit 1 | 31 July 1997 | Monthly Operating Rept for Jul 1997 for Hope Creek Generating Plant Unit 1 | Safe Shutdown Safety Limit Minimum Critical Power Ratio Ultimate heat sink Safe Shutdown Earthquake Temporary Modification Coast down |
LR-N970515, Special Rept 97-03:on 970808,TS Actions Statements 3.3.7.5 & 3.3.7.11 Were Entered Due to Inoperability of SPV Radiation Monitoring Sys.Caused by Failure of Low Range Detector pre- amplifier.Pre-amplifier Was Replaced | 22 August 1997 | Special Rept 97-03:on 970808,TS Actions Statements 3.3.7.5 & 3.3.7.11 Were Entered Due to Inoperability of SPV Radiation Monitoring Sys.Caused by Failure of Low Range Detector pre- amplifier.Pre-amplifier Was Replaced | |
LR-N980104, Monthly Operating Rept for Feb 1998 for Hope Creek Generating Station,Unit 1 | 28 February 1998 | Monthly Operating Rept for Feb 1998 for Hope Creek Generating Station,Unit 1 | Safe Shutdown Temporary Modification |
LR-N980196, Monthly Operating Rept for Mar 1998 for Hope Creek Generating Station,Unit 1 | 31 March 1998 | Monthly Operating Rept for Mar 1998 for Hope Creek Generating Station,Unit 1 | |
LR-N980247, Monthly Operating Rept for Apr 1998 for Hope Creek Station, Unit 1 | 30 April 1998 | Monthly Operating Rept for Apr 1998 for Hope Creek Station, Unit 1 | Safe Shutdown Temporary Modification |
LR-N980302, Monthly Operating Rept for May 1998 for Hope Creek Generating Station,Unit 1 | 31 May 1998 | Monthly Operating Rept for May 1998 for Hope Creek Generating Station,Unit 1 | |
LR-N980354, Monthly Operating Rept for June 1998 for Hope Creek Generating Station,Unit 1 | 30 June 1998 | Monthly Operating Rept for June 1998 for Hope Creek Generating Station,Unit 1 | Safe Shutdown Temporary Modification |
LR-N980401, Monthly Operating Rept for July 1998 for Hope Creek Generating Station,Unit 1 | 31 July 1998 | Monthly Operating Rept for July 1998 for Hope Creek Generating Station,Unit 1 | Safe Shutdown Temporary Modification |
LR-N980439, Monthly Operating Rept for Aug 1998 for Hope Creek Generating Station Unit 1.With | 31 August 1998 | Monthly Operating Rept for Aug 1998 for Hope Creek Generating Station Unit 1.With | |
LR-N980491, Monthly Operating Rept for Sept 1998 for Hope Creek Generating Station,Unit 1.With | 30 September 1998 | Monthly Operating Rept for Sept 1998 for Hope Creek Generating Station,Unit 1.With | Safe Shutdown Temporary Modification |
LR-N980544, Monthly Operating Rept for Oct 1998 for Hcgs,Unit 1. with | 31 October 1998 | Monthly Operating Rept for Oct 1998 for Hcgs,Unit 1. with | Safe Shutdown Temporary Modification |
LR-N980580, Monthly Operating Rept for Nov 1998 for Hope Creek Generating Station,Unit 1.With | 30 November 1998 | Monthly Operating Rept for Nov 1998 for Hope Creek Generating Station,Unit 1.With | Safe Shutdown Temporary Modification |
LR-N990157, Special Rept 99-001:on 990315, C EDG Valid Failure Occurred During Surveillance Testing.Testing Resulted in Unsuccessful Loading Attempt,Due to Failure EDG Output Breaker to Close.Faulty Card Replaced | 12 April 1999 | Special Rept 99-001:on 990315, C EDG Valid Failure Occurred During Surveillance Testing.Testing Resulted in Unsuccessful Loading Attempt,Due to Failure EDG Output Breaker to Close.Faulty Card Replaced | |
ML17264A938 | 10 July 1997 | Deficiency Rept Re Potential Safety Hazard Associated w/FM-Alco 251 Engin,High Pressure Fuel tube-catalog: 4401031-2 in Which Dual Failure Mode Exists.Caused by Incorrect Forming Process | |
ML17346B355 | 11 March 1986 | LER 86-004-00:on 860209,required Plant Vent Sampling Not Performed.Caused by Inadequate Means of Scheduling Samples Required by Radiological Eis.Training Programs Updated. W/860311 Ltr | |
ML17348B493 | 31 July 1990 | Monthly Operating Rept for Jul 1990 for Salem 2.W/900815 Ltr | Boric Acid |
ML17354B097 | 9 September 1998 | Part 21 Rept Re Possible Machining Defect in Certain One Inch Stainless Steel Swagelok Front Ferrules,Part Number SS-1613-1.Caused by Tubing Slipping Out of Fitting at Three Times Working Pressure of Tubing.Notified Affected Utils | |
ML18038A897 | 7 September 1994 | Part 21 Rept Re Defect in Latching Mechanism of Potter & Brumfield Relay on C&D High Voltage Shut Down Alarm Assembly Printed Circuit Boards.Pull Test on Relay Reset Button Incorporated Into Receiving Insp Procedures | |
ML18078A227 | 3 October 1978 | LER#78-062/03L-0 on 780913:during Normal Oper the #12 Reactor Coolant Flow Channel 2 Was Not Indicating Due to Failure of a Hagan Controls Signal Isolator | |
ML18078A234 | 3 October 1978 | LER#78-064/03L-0 on 780912:reactor Trip Setpoint Greater than T/S Limit During Check of Pressure Protec Channel 2. Caused by Unstable Output from Comparator Feeding Trip Bistable.Comparator Replaced | |
ML18078A244 | 10 October 1978 | Monthly Operating Rept for Sept 1978 | |
ML18078A319 | 23 October 1978 | RO 78-70/01P:on 781021,reactor Coolant Pump 13 Shaft Seals Failed,Resulting in Excessive Leakage of Primary Coolant Into Containment.Detailed Rept Will Follow | |
ML18078A321 | 24 October 1978 | Confirms 781024 Verbal Rept of Ro.Low Pressure in Control Air Sys Caused Operation of Air Operated Deluge Valves, Necessitating Operation of Fire Pumps in Manual Mode.Ler Will Follow | |
ML18078A326 | 26 October 1978 | LER 78-067/03L-0:on 780929,missing Fire Barrier in Cable Penetration Identified.Caused by Failure to Ensure Fire Barrier Installation.Cable Penetration Immediately Sealed. Other Barriers Will Be Inspected by 781101 | Fire Barrier Continuous fire watch Fire Watch |
ML18078A347 | 2 November 1978 | LER 78-070/01T-0:on 781021,during Mode 4 Operation,While Heating Up to Enter Mode 3,high Flow Through RCP Seals Noted & Alarms Went Off Indicating RCS Leakage.Cause Unknown | Pressure Boundary Leakage |
ML18078A350 | 1 November 1978 | LER 78-071/01T-0:on 781023:during Mode 5,fire Pumps 1 & 2 Put in Manual Due to Low Air Pressure Causing Actuation of air-operated Deluge Valves.Station Air Compressors Could Not Be Started Due to Low Cooling Water Flow | Fire Watch |
ML18078A353 | 2 November 1978 | LER 78-069/03L-0:on 781011,while Investigating Diesel 1B Alarm,Heater Leaking Chromated Water Into pre-lube Pump Motor Discovered.Caused by Corrosion of Element Sheath in Two of Three Heater Elements | |
ML18078A376 | 23 October 1978 | RO 78-70/01P:on 781021,#13 Reactor Coolant Pump Shaft Seals Failed,Resulting in Excessive Leakage of Primary Coolant Into Container.Detailed RO Rept Will Be Submitted | |
ML18078A389 | 9 November 1978 | Monthly Oper Rept for Oct 1978 | |
ML18078A399 | 14 November 1978 | LER#78-043/03L-1 on 780808:as Reactor Pwr Was Increased a Deviation Alarm Would Not Clear & a Qpt Calculation Showed a QPTR of 1.03%.Due to Large Load Reduction.Design Change Will Delete the Less than 50% Pwr Alarm | |
ML18078A412 | 20 November 1978 | LER#78-072/01T-0 on 781106:during Mode 5 Oper,All Containment Fan Coil Units Were Found Inoper Due to Tripped Svc Water Valves,Caused by Design Deficiency in Detector Installation | |
ML18078A415 | 20 November 1978 | Answers NRC Questions 5.62,5.63,5.82,5.83,5.84 & 5.85 Re Analyses of Main Steam Lines Break within Containment of Unisolated Steam in Main Steam Line & Turbine Plant | |
ML18078A452 | 22 November 1978 | LER#78-043/03L-0 on 780808:during Normal Oper,After 45% Pwr Reduction to Less than 50% for Maint,Reactor Pwr Increased to 51%.Deviation Alarm Would Not Clear & QPTR Was 1.03%.QPTR Was Not Discovered Sooner Because of Alarm Indications | |
ML18078A491 | 9 November 1978 | Monthly Rept Oct 1978 | |
ML18078A497 | 11 December 1978 | LER#78-073/01T-0 on 781127:1B Vital Instru Bus Was Lost Causing Reactor Trip.Safety Injection Followed & 1B Diesel #11 Charging & #12 RHR Pumps Failed to Start.Caused by Bad Output Transformer in Supply Inverter | |
ML18078A503 | 11 December 1978 | Monthly Oper Rept for Nov 1978 | Packing leak |
ML18078A531 | 18 December 1978 | LER#78-075/03L on 781130:during Oper W/Containment Entry in Progress,Inner Door of Air Lock 130 Would Not Fully Open, Caused by Failed Cam Roller on Inner Door Operating Mechanism.Air Lock Repaired,Tested,Returned to Svc |