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| 05000327/LER-1983-001-03, /03L-0:on 830113,during Mode 5,pressurizer Safety Valve I-RV-68-565 Not Tested within Setpoint Lift Setting Limits.Caused by Relaxation of Valve Spring Due to Normal Wear.New Valve Installed & Tested | /03L-0:on 830113,during Mode 5,pressurizer Safety Valve I-RV-68-565 Not Tested within Setpoint Lift Setting Limits.Caused by Relaxation of Valve Spring Due to Normal Wear.New Valve Installed & Tested | |
| 05000327/LER-1983-001, Forwards LER 83-001/03L-0 | Forwards LER 83-001/03L-0 | |
| 05000327/LER-1983-002, Forwards LER 83-002/03L-0 | Forwards LER 83-002/03L-0 | |
| 05000327/LER-1983-002-03, /03L-0:on 830115,two Level Switches Discovered Out of Tolerance During Performance of Surveillance Instruction 196.Caused by Instrument Drift for Switch 1-LS-87-21 & Bad Micro Switch for Switch 1-LS-87-22 | /03L-0:on 830115,two Level Switches Discovered Out of Tolerance During Performance of Surveillance Instruction 196.Caused by Instrument Drift for Switch 1-LS-87-21 & Bad Micro Switch for Switch 1-LS-87-22 | |
| 05000327/LER-1983-003-01, /01T-0:on 830124,train a of ERCW Effluent Line Radiation Monitor (RM-90-133/140) Declared Inoperable Due to Alarm State.Caused by Inadequate Surveillance Instruction & Tech Spec Misinterpretation | /01T-0:on 830124,train a of ERCW Effluent Line Radiation Monitor (RM-90-133/140) Declared Inoperable Due to Alarm State.Caused by Inadequate Surveillance Instruction & Tech Spec Misinterpretation | |
| 05000327/LER-1983-003, Forwards LER 83-003/01T-0 | Forwards LER 83-003/01T-0 | |
| 05000328/LER-1983-004, Forwards LER 83-004/03L-0 | Forwards LER 83-004/03L-0 | |
| 05000327/LER-1983-005, Forwards LER 83-005/03L-0 | Forwards LER 83-005/03L-0 | |
| 05000327/LER-1983-005-03, /03L-0:on 830117,turbine Driven Auxiliary Feedwater Pump Failed to Achieve Rated Speed.Caused by Electronic Drift of Signal Converter Gain Potentiometer on Woodward Governor.Potentiometer Readjusted | /03L-0:on 830117,turbine Driven Auxiliary Feedwater Pump Failed to Achieve Rated Speed.Caused by Electronic Drift of Signal Converter Gain Potentiometer on Woodward Governor.Potentiometer Readjusted | |
| 05000328/LER-1983-006, Forwards LER 83-006/03L-0 | Forwards LER 83-006/03L-0 | |
| 05000328/LER-1983-006-03, /03L-0:on 830119,while in Mode 1,one Main Feedwater Flow Channel 2-FT-3-90A Failed High.Caused by Frozen Sense Line,Due to Incorrect Location of Heat Tracing Thermocouples.Thermocouples Relocated | /03L-0:on 830119,while in Mode 1,one Main Feedwater Flow Channel 2-FT-3-90A Failed High.Caused by Frozen Sense Line,Due to Incorrect Location of Heat Tracing Thermocouples.Thermocouples Relocated | |
| 05000327/LER-1983-007-03, /03L-0:on 830119,w/unit in Mode 2,auxiliary Feedwater Level Control Valve 1-LCV-3-164 Failed to Operate. Probably Caused by Dirty Contacts.Contacts Cleaned | /03L-0:on 830119,w/unit in Mode 2,auxiliary Feedwater Level Control Valve 1-LCV-3-164 Failed to Operate. Probably Caused by Dirty Contacts.Contacts Cleaned | |
| 05000327/LER-1983-007, Forwards LER 83-007/03L-0 | Forwards LER 83-007/03L-0 | |
| 05000328/LER-1983-008-03, /03L-0:on 830118,while in Mode 1 During Review of SI-90.32,discovered Pressurizer Pressure Channel 2-PS-68-334 Out of Tolerance on 821215.Cause Unknown.Channel Monitored for Bistable Drift.Setpoints Reset | /03L-0:on 830118,while in Mode 1 During Review of SI-90.32,discovered Pressurizer Pressure Channel 2-PS-68-334 Out of Tolerance on 821215.Cause Unknown.Channel Monitored for Bistable Drift.Setpoints Reset | |
| 05000328/LER-1983-008, Forwards LER 83-008/03L-0 | Forwards LER 83-008/03L-0 | |
| 05000327/LER-1983-009-01, /01T-0:on 830131,at 100% Power,Control Rod Position Indication Sys Inoperable When Indicated Position for All Rods Deviated Greater than 12 Steps from Actual Position.Caused by Degraded Voltage Conditions | /01T-0:on 830131,at 100% Power,Control Rod Position Indication Sys Inoperable When Indicated Position for All Rods Deviated Greater than 12 Steps from Actual Position.Caused by Degraded Voltage Conditions | |
| 05000327/LER-1983-009, Forwards LER 83-009/01T-0 | Forwards LER 83-009/01T-0 | |
| 05000327/LER-1983-010-03, /03L-0:on 830118,during Performance of Surveillance Instruction 7,diesel Generator 1A-A Tripped on High Water Jacket Temp.Caused by ERCW Valve 1-FCV-67-66 Failing to Open.No Cause Found | /03L-0:on 830118,during Performance of Surveillance Instruction 7,diesel Generator 1A-A Tripped on High Water Jacket Temp.Caused by ERCW Valve 1-FCV-67-66 Failing to Open.No Cause Found | |
| 05000327/LER-1983-010, Forwards LER 83-010/03L-0 | Forwards LER 83-010/03L-0 | |
| 05000327/LER-1983-011, Forwards LER 83-011/03L-0 | Forwards LER 83-011/03L-0 | |
| 05000327/LER-1983-011-03, /03L-0:on 830120,one Pressure Switch for Auxiliary Feedwater Low Suction Pressure Actuation Declared Inoperable Due to Failure to Clear Alarm.Caused by Failure of Dual Snap Model 604 Pressure Switch Contacts to Reset.Switch | /03L-0:on 830120,one Pressure Switch for Auxiliary Feedwater Low Suction Pressure Actuation Declared Inoperable Due to Failure to Clear Alarm.Caused by Failure of Dual Snap Model 604 Pressure Switch Contacts to Reset.Switch Calibr | |
| 05000327/LER-1983-012-03, /03L-0:on 830121,while in Mode 1,one Feedwater Flow Channel Declared Inoperable Due to Failing Low.Caused by Crossed Sense Lines to Channel 1-FT-3-35A,due to Personnel Error.Lines Corrected.Personnel Instructed | /03L-0:on 830121,while in Mode 1,one Feedwater Flow Channel Declared Inoperable Due to Failing Low.Caused by Crossed Sense Lines to Channel 1-FT-3-35A,due to Personnel Error.Lines Corrected.Personnel Instructed | |
| 05000327/LER-1983-012, Forwards LER 83-012/03L-0 | Forwards LER 83-012/03L-0 | |
| 05000328/LER-1983-013-03, /03L-0:on 830128,four RCS Level Switches Found Out of Tolerance.Cause May Be Instrument Drift or Error in Calibr & Testing Techniques.Switches Recalibr | /03L-0:on 830128,four RCS Level Switches Found Out of Tolerance.Cause May Be Instrument Drift or Error in Calibr & Testing Techniques.Switches Recalibr | |
| 05000328/LER-1983-013, Forwards LER 83-013/03L-0 | Forwards LER 83-013/03L-0 | |
| 05000327/LER-1983-014, Forwards LER 83-014/03L-0 | Forwards LER 83-014/03L-0 | |
| 05000327/LER-1983-014-03, /03L-0:on 830122,kW Meter for Hydrogen Recombiner Read Offscale High.Caused by Failed Active Filter LZF1-271105 Due to Aging.Filter & Potentiometer Replaced | /03L-0:on 830122,kW Meter for Hydrogen Recombiner Read Offscale High.Caused by Failed Active Filter LZF1-271105 Due to Aging.Filter & Potentiometer Replaced | |
| 05000328/LER-1983-015-03, /03L-0:on 830202,one Containment Sump Level Channel 2-LT-63-176 Declared Inoperable Due to Failing High. Caused by Air Bubble in oil-filled Ref Sense Line from Bellows to Transmitter.Channel Recalibr & Returned to Svc | /03L-0:on 830202,one Containment Sump Level Channel 2-LT-63-176 Declared Inoperable Due to Failing High. Caused by Air Bubble in oil-filled Ref Sense Line from Bellows to Transmitter.Channel Recalibr & Returned to Svc | |
| 05000328/LER-1983-015, Forwards LER 83-015/03L-0 | Forwards LER 83-015/03L-0 | |
| 05000327/LER-1983-016-03, /03L-0:on 830205,ice Condenser Temp Monitoring Sys Recorder in Main Control Room Declared Inoperable.Print Head Assembly,Westronics Model M11-E,failed Upscale.Cause Unknown.New Recorder Installed | /03L-0:on 830205,ice Condenser Temp Monitoring Sys Recorder in Main Control Room Declared Inoperable.Print Head Assembly,Westronics Model M11-E,failed Upscale.Cause Unknown.New Recorder Installed | |
| 05000327/LER-1983-016, Forwards LER 83-016/03L-0 | Forwards LER 83-016/03L-0 | |
| 05000328/LER-1983-017-03, /03L-0:on 830201,at 100% Power,Containment Pressure for Annulus Discovered to Be Greater than +0.3 Psi. Caused by Normal Air Leakage Into Containment W/O Venting. Personnel Reminded to Vent Containment | /03L-0:on 830201,at 100% Power,Containment Pressure for Annulus Discovered to Be Greater than +0.3 Psi. Caused by Normal Air Leakage Into Containment W/O Venting. Personnel Reminded to Vent Containment | |
| 05000328/LER-1983-017, Forwards LER 83-017/03L-0 | Forwards LER 83-017/03L-0 | |
| 05000327/LER-1983-018-03, /03L-0:on 830201,containment Internal Differential Pressure Exceeded 0.3 Psig Relative to Annulus Pressure. Caused by Failure of Emergency Gas Treatment Sys Suction Damper to Open Causing High Vacuum in Annulus | /03L-0:on 830201,containment Internal Differential Pressure Exceeded 0.3 Psig Relative to Annulus Pressure. Caused by Failure of Emergency Gas Treatment Sys Suction Damper to Open Causing High Vacuum in Annulus | |
| 05000327/LER-1983-018, Forwards LER 83-018/03L-0 | Forwards LER 83-018/03L-0 | |
| 05000327/LER-1983-019, Forwards LER 83-019/03L-0 | Forwards LER 83-019/03L-0 | |
| 05000327/LER-1983-019-03, /03L-0:on 830202,RPI for Rod D-14 of Shutdown Bank a Declared Inoperable Due to Bottom Light Going on & Off. Caused by Open Primary Cable Circuit Due to Loose Connector on Reactor Head.Connector Tightened & RPI Returned to S | /03L-0:on 830202,RPI for Rod D-14 of Shutdown Bank a Declared Inoperable Due to Bottom Light Going on & Off. Caused by Open Primary Cable Circuit Due to Loose Connector on Reactor Head.Connector Tightened & RPI Returned to Svc | |
| 05000327/LER-1983-020-03, /03L-0:on 830203,leak Rate Testing Not Performed within 24 H of Stroking Containment Purge Isolation Valves. Caused by Personnel Error.Unit Operator Signoff Added to SI-166.1 | /03L-0:on 830203,leak Rate Testing Not Performed within 24 H of Stroking Containment Purge Isolation Valves. Caused by Personnel Error.Unit Operator Signoff Added to SI-166.1 | |
| 05000327/LER-1983-020, Forwards LER 83-020/03L-0 | Forwards LER 83-020/03L-0 | |
| 05000327/LER-1983-021-03, /03L-0:on 830205,during Performance of Surveillance Instruction 16,channel 119P & 1115 of Boron Injection Tank Piping Discovered Inoperable.Caused by Failed Thermon Mfg Controller.Fuse & Relay Replaced | /03L-0:on 830205,during Performance of Surveillance Instruction 16,channel 119P & 1115 of Boron Injection Tank Piping Discovered Inoperable.Caused by Failed Thermon Mfg Controller.Fuse & Relay Replaced | |
| 05000327/LER-1983-021, Forwards LER 83-021/03L-0 | Forwards LER 83-021/03L-0 | |
| 05000327/LER-1983-022, Forwards LER 83-022/03L-0 | Forwards LER 83-022/03L-0 | |
| 05000327/LER-1983-022-03, /03L-0:on 830211,two of Four Level Switches Found Out of Tolerance.Caused by Instrument Drift & Inadequate Calibr & Testing Techniques.Switches Recalibr | /03L-0:on 830211,two of Four Level Switches Found Out of Tolerance.Caused by Instrument Drift & Inadequate Calibr & Testing Techniques.Switches Recalibr | |
| 05000328/LER-1983-023-03, /03L-0:on 830225,during Mode 1 at 98%,three Level switches,2-LS-87-21,-23 & -24 Discovered Out of Tolerance. Caused by Instrument Drift,Calibr Techniques or Testing Techniques.Switches Recalibr & Returned to Svc | /03L-0:on 830225,during Mode 1 at 98%,three Level switches,2-LS-87-21,-23 & -24 Discovered Out of Tolerance. Caused by Instrument Drift,Calibr Techniques or Testing Techniques.Switches Recalibr & Returned to Svc | |
| 05000328/LER-1983-023, Forwards LER 83-023/03L-0 | Forwards LER 83-023/03L-0 | |
| 05000328/LER-1983-024, Forwards LER 83-024/03L-0 | Forwards LER 83-024/03L-0 | |
| 05000328/LER-1983-024-03, /03L-0:on 830220,w/unit in Mode 1,feedwater Flow Channel 2-FT-3-103B Declared Inoperable Due to Failing Low.Caused by Failed Zener Diode in Foxboro 66AC-OH-K Flow Modifier.Diode Replaced | /03L-0:on 830220,w/unit in Mode 1,feedwater Flow Channel 2-FT-3-103B Declared Inoperable Due to Failing Low.Caused by Failed Zener Diode in Foxboro 66AC-OH-K Flow Modifier.Diode Replaced | |
| 05000327/LER-1983-025-03, /03L-0:on 830218 & 28,flow Rate Monitor for Shield Bldg Exhaust sys,1-FT-30-242,declared Inoperable Due to Loss of Flow Indication.Caused by Sense Line Blockage from Dirt/Debris in Sys.Sense Lines Cleared | /03L-0:on 830218 & 28,flow Rate Monitor for Shield Bldg Exhaust sys,1-FT-30-242,declared Inoperable Due to Loss of Flow Indication.Caused by Sense Line Blockage from Dirt/Debris in Sys.Sense Lines Cleared | |
| 05000327/LER-1983-025, Forwards LER 83-025/03L-0 | Forwards LER 83-025/03L-0 | |
| 05000327/LER-1983-026, Forwards LER 83-026/03L-0 | Forwards LER 83-026/03L-0 | |