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| 05000325/LER-1983-001, Forwards LER 83-001/01T-0 | Forwards LER 83-001/01T-0 | |
| 05000324/LER-1983-001, Forwards LER 83-001/03L-0 | Forwards LER 83-001/03L-0 | |
| 05000324/LER-1983-001-03, /03L-0:on 830102 & 05,RCIC Turbine Exhaust Diaphragm Pressure High Annunciator Alarmed.Caused by Instrument Drift on 830102 & Moisture Accumulation in Switch Housing on 830105 | /03L-0:on 830102 & 05,RCIC Turbine Exhaust Diaphragm Pressure High Annunciator Alarmed.Caused by Instrument Drift on 830102 & Moisture Accumulation in Switch Housing on 830105 | |
| 05000325/LER-1983-002, Forwards LER 83-002/03L-0 | Forwards LER 83-002/03L-0 | |
| 05000325/LER-1983-003-03, /03L-0:on 830116,under Reactor Vessel Insp Revealed 17 Low Power Range Monitor Detector Cables Separated from Associated Detectors.Caused by Cables Pulled Loose from Connectors During Maint.Personnel Informed | /03L-0:on 830116,under Reactor Vessel Insp Revealed 17 Low Power Range Monitor Detector Cables Separated from Associated Detectors.Caused by Cables Pulled Loose from Connectors During Maint.Personnel Informed | |
| 05000325/LER-1983-003, Forwards LER 83-003/03L-0 | Forwards LER 83-003/03L-0 | |
| 05000324/LER-1983-003, Forwards LER 83-003/03L-0 | Forwards LER 83-003/03L-0 | |
| 05000324/LER-1983-003-03, /03L-0:on 830103,following Reactor Scram Due to Group 1 Isolation,Suppression Pool Level Found Out of Spec High at -26.5 Inches.Caused by Operation of HPCI & Safety Relief Valves for Level & Pressure Control During Event | /03L-0:on 830103,following Reactor Scram Due to Group 1 Isolation,Suppression Pool Level Found Out of Spec High at -26.5 Inches.Caused by Operation of HPCI & Safety Relief Valves for Level & Pressure Control During Event | |
| 05000324/LER-1983-004, Forwards LER 83-004/03L-0 | Forwards LER 83-004/03L-0 | |
| 05000324/LER-1983-004-03, /03L-0:on 830105,during Jumper Installation, Reactor Protection Sys Relay C72-K6C Found Melted Around Coil.Caused by Overheating of Relay.Relays to Be Inspected Monthly Until Replaced W/Improved Components | /03L-0:on 830105,during Jumper Installation, Reactor Protection Sys Relay C72-K6C Found Melted Around Coil.Caused by Overheating of Relay.Relays to Be Inspected Monthly Until Replaced W/Improved Components | |
| 05000325/LER-1983-004, Forwards LER 83-004/01T-0 | Forwards LER 83-004/01T-0 | |
| 05000325/LER-1983-005-03, /03L-0:on 830119,during Normal Operation,Measured Specific Gravity of Pilot Cell for Div I Battery 1A-1 Was 1.166 & 1.167 for Div II Battery 1B-1.Caused by Age of Pilot Cells.Cells Replaced.Batteries Returned to Svc | /03L-0:on 830119,during Normal Operation,Measured Specific Gravity of Pilot Cell for Div I Battery 1A-1 Was 1.166 & 1.167 for Div II Battery 1B-1.Caused by Age of Pilot Cells.Cells Replaced.Batteries Returned to Svc | |
| 05000324/LER-1983-005-03, /03L-0:on 830110,both Personnel Secondary Containment Airlock Doors,Located on 50-ft Elevation Northeast Wall,Found Inoperable Due to Excessive Leakage Past Seals.Caused by Damaged Sealing Gaskets | /03L-0:on 830110,both Personnel Secondary Containment Airlock Doors,Located on 50-ft Elevation Northeast Wall,Found Inoperable Due to Excessive Leakage Past Seals.Caused by Damaged Sealing Gaskets | |
| 05000324/LER-1983-005, Forwards LER 83-005/03L-0 | Forwards LER 83-005/03L-0 | |
| 05000325/LER-1983-005, Forwards LER 83-005/03L-0 | Forwards LER 83-005/03L-0 | |
| 05000324/LER-1983-006, Forwards LER 83-006/03L-0 | Forwards LER 83-006/03L-0 | |
| 05000324/LER-1983-006-03, /03L-0:on 830114,primary Containment Atmosphere Oxygen Analyzer 2-CAC-AT-1263-2 Indicated 0.5% Step Increase in Drywell Oxygen Concentration.Caused by Instrument Zero Shift.Monitors Replaced & Instrument Recalibr | /03L-0:on 830114,primary Containment Atmosphere Oxygen Analyzer 2-CAC-AT-1263-2 Indicated 0.5% Step Increase in Drywell Oxygen Concentration.Caused by Instrument Zero Shift.Monitors Replaced & Instrument Recalibr | |
| 05000325/LER-1983-006-03, Insert/Withdrawal Position & Drive Power Indication for Source Range & Immediate Range Monitors Discovered Inoperable.Caused by Blown Control Power Supply Fuse F13.Fuse Replaced | Insert/Withdrawal Position & Drive Power Indication for Source Range & Immediate Range Monitors Discovered Inoperable.Caused by Blown Control Power Supply Fuse F13.Fuse Replaced | |
| 05000325/LER-1983-006, Forwards Updated LER 83-006/03L-1 | Forwards Updated LER 83-006/03L-1 | |
| 05000324/LER-1983-007-03, /03L-0:on 830115,HPCI Sys Steam Line High Temp Primary Containment Isolation Sys Isolation Occurred, Rendering HPCI Sys Inoperable.Caused by Personnel Error Due to Instrument Mislabeling.Test Signal Removed | /03L-0:on 830115,HPCI Sys Steam Line High Temp Primary Containment Isolation Sys Isolation Occurred, Rendering HPCI Sys Inoperable.Caused by Personnel Error Due to Instrument Mislabeling.Test Signal Removed | |
| 05000324/LER-1983-007, Forwards LER 83-007/03L-0 | Forwards LER 83-007/03L-0 | |
| 05000325/LER-1983-007-03, During Extended Refueling Outage,One Fuel Bundle Located Around Control Rods 22-15, 34-23,34-27 & 26-43.Caused by Procedual Inadequacy.Rods Inserted & Procedure Revised | During Extended Refueling Outage,One Fuel Bundle Located Around Control Rods 22-15, 34-23,34-27 & 26-43.Caused by Procedual Inadequacy.Rods Inserted & Procedure Revised | |
| 05000325/LER-1983-007, Forwards Updated LER 83-007/03L-1 | Forwards Updated LER 83-007/03L-1 | |
| 05000325/LER-1983-008, Forwards LER 83-008/03L-0 | Forwards LER 83-008/03L-0 | |
| 05000325/LER-1983-008-03, /03L-0:on 830212,exhaust Inboard Isolation Damper 1C-BFIV-RB Had Dual open-close Position Indication When Closed & Exhaust Dampers Failed to Close within Required Time.Caused by Open Limit Switch Sticking | /03L-0:on 830212,exhaust Inboard Isolation Damper 1C-BFIV-RB Had Dual open-close Position Indication When Closed & Exhaust Dampers Failed to Close within Required Time.Caused by Open Limit Switch Sticking | |
| 05000324/LER-1983-008, Forwards LER 83-008/03L-0 | Forwards LER 83-008/03L-0 | |
| 05000324/LER-1983-008-03, /03L-0:on 830118,during Channel Calibr & Functional Test,Hpci Sys Condensate Storage Tank Low Level Instrument 2-E41-LSL-N003 Failed to Actuate within Required Tolerance.Caused by Debris in N003 Vent Line | /03L-0:on 830118,during Channel Calibr & Functional Test,Hpci Sys Condensate Storage Tank Low Level Instrument 2-E41-LSL-N003 Failed to Actuate within Required Tolerance.Caused by Debris in N003 Vent Line | |
| 05000325/LER-1983-009, Forwards LER 83-009/03L-0 | Forwards LER 83-009/03L-0 | |
| 05000325/LER-1983-009-03, /03L-0:on 830127,average Power Range Monitors C & E Determined Inoperable Due to Too Few Operable LPRM Inputs. Caused by Control Rod Drive Undervessel Work During Outage Inadvertently Damaging Cables | /03L-0:on 830127,average Power Range Monitors C & E Determined Inoperable Due to Too Few Operable LPRM Inputs. Caused by Control Rod Drive Undervessel Work During Outage Inadvertently Damaging Cables | |
| 05000324/LER-1983-009-03, /03L-0:on 830118,reactor Recirculation Pump 2A Tripped When Pump Motor Generator Set Drive Motor Tripped. Caused by Actuation of Motor Generator Set Drive Motor Field Overcurrent Relay Device 27.Trip Signal Reset | /03L-0:on 830118,reactor Recirculation Pump 2A Tripped When Pump Motor Generator Set Drive Motor Tripped. Caused by Actuation of Motor Generator Set Drive Motor Field Overcurrent Relay Device 27.Trip Signal Reset | |
| 05000324/LER-1983-009, Forwards LER 83-009/03L-0 | Forwards LER 83-009/03L-0 | |
| 05000325/LER-1983-010-03, /03L-0:on 830120,routine Surveillance Revealed Water Leaking Into Reactor Bldg at 17-ft Elevation Via Secondary Containment Penetration/Fire Barrier Seal R1-1-049.Caused by Degradation Due to Exposure to Rainwater | /03L-0:on 830120,routine Surveillance Revealed Water Leaking Into Reactor Bldg at 17-ft Elevation Via Secondary Containment Penetration/Fire Barrier Seal R1-1-049.Caused by Degradation Due to Exposure to Rainwater | |
| 05000324/LER-1983-010-03, /03L-0:on 830119,during Plant Operation,Both Doors of Reactor Bldg 20-ft Elevation Personnel Air Lock Opened Simultaneously.Caused by Misalignment of Inner Door Due to Normal Wear Preventing Proper Bolt Engagement | /03L-0:on 830119,during Plant Operation,Both Doors of Reactor Bldg 20-ft Elevation Personnel Air Lock Opened Simultaneously.Caused by Misalignment of Inner Door Due to Normal Wear Preventing Proper Bolt Engagement | |
| 05000325/LER-1983-010, Forwards LER 83-010/03L-0 | Forwards LER 83-010/03L-0 | |
| 05000324/LER-1983-010, Forwards LER 83-010/03L-0 | Forwards LER 83-010/03L-0 | |
| 05000324/LER-1983-011, Forwards LER 83-011/03L-0 | Forwards LER 83-011/03L-0 | |
| 05000324/LER-1983-011-03, /03L-0:on 830120,RHR Reactor Pressure Low Annunciation Received.Caused by Electrical Resistor & Relay Failure in Instrument NO21C.Instrument Replaced | /03L-0:on 830120,RHR Reactor Pressure Low Annunciation Received.Caused by Electrical Resistor & Relay Failure in Instrument NO21C.Instrument Replaced | |
| 05000325/LER-1983-011-03, /03L-0:on 830307,PT 35.11.1 Fire Hose Station RB-42 Found Inoperable Due to Disconnected Fire Hose.Cause Unknown.Memo Stressing Importance of Maintaining Operability of Fire Hose Station Issued | /03L-0:on 830307,PT 35.11.1 Fire Hose Station RB-42 Found Inoperable Due to Disconnected Fire Hose.Cause Unknown.Memo Stressing Importance of Maintaining Operability of Fire Hose Station Issued | |
| 05000325/LER-1983-011, Forwards LER 83-011/03L-0 | Forwards LER 83-011/03L-0 | |
| 05000324/LER-1983-012-03, /03L-0:on 830121,surveillance Revealed Control Air Pressure of Diesel Generator 3 Below Tech Spec Limit.Caused by Crud Accumulation in Diesel Control Air Moisture Drain Trap Filter.Filter Replaced | /03L-0:on 830121,surveillance Revealed Control Air Pressure of Diesel Generator 3 Below Tech Spec Limit.Caused by Crud Accumulation in Diesel Control Air Moisture Drain Trap Filter.Filter Replaced | |
| 05000324/LER-1983-012, Forwards LER 83-012/03L-0 | Forwards LER 83-012/03L-0 | |
| 05000325/LER-1983-012-03, /03L-0:on 830312,during Refueling Operations, 00 & full-in Position Indication for Control Rod 30-15 Inoperable.Caused by Bent Pins in PIP Connector to Rods. Connectors Replaced | /03L-0:on 830312,during Refueling Operations, 00 & full-in Position Indication for Control Rod 30-15 Inoperable.Caused by Bent Pins in PIP Connector to Rods. Connectors Replaced | |
| 05000325/LER-1983-012, Forwards LER 83-012/03L-0 | Forwards LER 83-012/03L-0 | |
| 05000324/LER-1983-013-03, /03L-0:on 830122,rod Block Monitor B Inoperable Annunciator Received When Control Rod 30-35 Selected. Caused by Three Defective Dual Operational Amplifier IC Chips on Fifth first-level Multiplexer Card.Card Replaced | /03L-0:on 830122,rod Block Monitor B Inoperable Annunciator Received When Control Rod 30-35 Selected. Caused by Three Defective Dual Operational Amplifier IC Chips on Fifth first-level Multiplexer Card.Card Replaced | |
| 05000324/LER-1983-013, Forwards LER 83-013/03L-0 | Forwards LER 83-013/03L-0 | |
| 05000325/LER-1983-013, Forwards LER 83-013/03L-0 | Forwards LER 83-013/03L-0 | |
| 05000325/LER-1983-013-03, /03L-0:on 830313,average Power Range Monitors (APRM) B & F Rendered Inoperable While Replacing Low Power Range Monitor (LPRM) Inputs While APRM B Manually Bypassed. Caused by LPRM 20-29D,83-174A & 28-37C Failure | /03L-0:on 830313,average Power Range Monitors (APRM) B & F Rendered Inoperable While Replacing Low Power Range Monitor (LPRM) Inputs While APRM B Manually Bypassed. Caused by LPRM 20-29D,83-174A & 28-37C Failure | |
| 05000325/LER-1983-014-03, /03L-0:on 830406 & 08,during Ongoing Refueling, Listed Control Rods Had No Indications for Identified Positions.Caused by Defective Prototypic Inlet Piping (PIP) Connectors,Reed Switch & PIP Probe | /03L-0:on 830406 & 08,during Ongoing Refueling, Listed Control Rods Had No Indications for Identified Positions.Caused by Defective Prototypic Inlet Piping (PIP) Connectors,Reed Switch & PIP Probe | |
| 05000324/LER-1983-014, Forwards LER 83-014/03L-0 | Forwards LER 83-014/03L-0 | |
| 05000325/LER-1983-014, Forwards LER 83-014/03L-0 | Forwards LER 83-014/03L-0 | |