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| 05000369/LER-1982-001, Forwards LER 82-001/01T-0.Detailed Event Analysis Encl | Forwards LER 82-001/01T-0.Detailed Event Analysis Encl | |
| 05000369/LER-1982-001-01, /01T-0:on 820106,routine Review of Source Document Changes Revealed Class H Piping in Fire Protection Sys in Diesel Generator Room 1A Routed Above One Nuclear safety-related Essential Cable & Instrument Panel | /01T-0:on 820106,routine Review of Source Document Changes Revealed Class H Piping in Fire Protection Sys in Diesel Generator Room 1A Routed Above One Nuclear safety-related Essential Cable & Instrument Panel | |
| 05000369/LER-1982-002-03, /03L-0:on 820101,temp Sensing Valve Position Indication Disagreed W/Alternate Position Indication & Declared Inoperable.Caused by Environ Conditions | /03L-0:on 820101,temp Sensing Valve Position Indication Disagreed W/Alternate Position Indication & Declared Inoperable.Caused by Environ Conditions | |
| 05000369/LER-1982-002, Forwards LER 82-002/03L-0.Detailed Event Analysis Encl | Forwards LER 82-002/03L-0.Detailed Event Analysis Encl | |
| 05000369/LER-1982-003, Forwards LER 82-003/03L-0.Detailed Event Analysis Encl | Forwards LER 82-003/03L-0.Detailed Event Analysis Encl | |
| 05000369/LER-1982-003-03, /03L-0:on 820102,average Temp in Upper Containment Was Reduced Below Temp Requirement.Caused by Cold Weather Cooling Bldg.Temp Increased Using Dihydrogen Recombiner Heaters | /03L-0:on 820102,average Temp in Upper Containment Was Reduced Below Temp Requirement.Caused by Cold Weather Cooling Bldg.Temp Increased Using Dihydrogen Recombiner Heaters | |
| 05000369/LER-1982-004-03, /03L-0:on 820103,power Operated Relief Valve NC-32 Found Leaking.Cause Unknown.Insp of Valve to Determine Exact Nature of Component Failure Not Yet Possible.Block Valve Closed & de-energized to Prevent Inadvertent Opening | /03L-0:on 820103,power Operated Relief Valve NC-32 Found Leaking.Cause Unknown.Insp of Valve to Determine Exact Nature of Component Failure Not Yet Possible.Block Valve Closed & de-energized to Prevent Inadvertent Opening | |
| 05000369/LER-1982-004, Forwards LER 82-004/03L-0 | Forwards LER 82-004/03L-0 | |
| 05000369/LER-1982-005-03, /03L-0:on 820105,during Mode 1 Power Escalation, Small Seal on Lower Personnel Air Lock Auxiliary Bldg Failed to Open.Caused by Design Oversight by Door Manufacturer.Seal Replaced & Successfully Passed Leak Rate Test | /03L-0:on 820105,during Mode 1 Power Escalation, Small Seal on Lower Personnel Air Lock Auxiliary Bldg Failed to Open.Caused by Design Oversight by Door Manufacturer.Seal Replaced & Successfully Passed Leak Rate Test | |
| 05000369/LER-1982-005, Forwards LER 82-005/03L-0 | Forwards LER 82-005/03L-0 | |
| 05000369/LER-1982-006-03, /03L-0:on 820106,flow Gauge on Remote Auxiliary Shutdown Control Panel Indicated No Flow When Corresponding Control Room Gauge Read 100 Gpm.Caused by Water Leaking Into Differential Pressure Transmitter Electronics Housing | /03L-0:on 820106,flow Gauge on Remote Auxiliary Shutdown Control Panel Indicated No Flow When Corresponding Control Room Gauge Read 100 Gpm.Caused by Water Leaking Into Differential Pressure Transmitter Electronics Housing | |
| 05000369/LER-1982-006, Forwards LER 82-006/03L-0 | Forwards LER 82-006/03L-0 | |
| 05000369/LER-1982-007, Forwards LER 82-007/03L-0.Detailed Event Analysis Encl | Forwards LER 82-007/03L-0.Detailed Event Analysis Encl | |
| 05000369/LER-1982-007-03, /03L-0:on 820111,many Instrument Lines Froze W/ Instruments Declared Inoperable Leading to Inadvertent Actuation of ESF Causing Safety Injection,Steamline Isolation & Reactor Trips.Caused by Cold Weather | /03L-0:on 820111,many Instrument Lines Froze W/ Instruments Declared Inoperable Leading to Inadvertent Actuation of ESF Causing Safety Injection,Steamline Isolation & Reactor Trips.Caused by Cold Weather | |
| 05000369/LER-1982-008, Forwards LER 82-008/03L-0.Detailed Event Analysis Encl | Forwards LER 82-008/03L-0.Detailed Event Analysis Encl | |
| 05000369/LER-1982-008-03, /03L-0:on 820115,exam of Programs on Operator Computer Revealed Equipment Run Time on Fuel Pool Ventilation Sys Exceeded Tech Specs W/O Sample Being Taken from Charcoal Absorber.Caused by Lack of Procedure | /03L-0:on 820115,exam of Programs on Operator Computer Revealed Equipment Run Time on Fuel Pool Ventilation Sys Exceeded Tech Specs W/O Sample Being Taken from Charcoal Absorber.Caused by Lack of Procedure | |
| 05000369/LER-1982-009, Forwards LER 82-009/03L-0 | Forwards LER 82-009/03L-0 | |
| 05000369/LER-1982-009-03, /03L-0:on 820116,during Review of Surveillance Documentation,Periodic Testing of Diesel Generator Battery Trains Edga & Edgb Not Performed within Test Frequency Required by Tech Specs.Caused by Personnel Error | /03L-0:on 820116,during Review of Surveillance Documentation,Periodic Testing of Diesel Generator Battery Trains Edga & Edgb Not Performed within Test Frequency Required by Tech Specs.Caused by Personnel Error | |
| 05000369/LER-1982-010, Forwards LER 82-010/03L-0.Detailed Event Analysis Encl | Forwards LER 82-010/03L-0.Detailed Event Analysis Encl | |
| 05000369/LER-1982-010-03, /03L-0:on 820120,while in Mode 1,all Digital Rod Position Indications for Control Rod K-8 Lost.Caused by Cabling to Detectors Susceptible to Conductor Damage Due to Own Weight.Bulkhead Connector Cable Replaced | /03L-0:on 820120,while in Mode 1,all Digital Rod Position Indications for Control Rod K-8 Lost.Caused by Cabling to Detectors Susceptible to Conductor Damage Due to Own Weight.Bulkhead Connector Cable Replaced | |
| 05000369/LER-1982-011-03, /03L-0:on 820120,maint Personnel Working on Spent Fuel Pool Cooling Sys (Kf) Heat Exchanger 1A Discharge Throttle Bypass Relief Valve Discovered That Kf Mechanical Snubber Was Removed Rendering Snubber Inoperable | /03L-0:on 820120,maint Personnel Working on Spent Fuel Pool Cooling Sys (Kf) Heat Exchanger 1A Discharge Throttle Bypass Relief Valve Discovered That Kf Mechanical Snubber Was Removed Rendering Snubber Inoperable | |
| 05000369/LER-1982-011, Forwards LER 82-011/03L-0 | Forwards LER 82-011/03L-0 | |
| 05000369/LER-1982-012-03, /03L-0:on 820119,routine QA Audit of Fire Protection Sys Test Found Three Valves Marked Not Accessible & Had Not Been Checked.Caused by Personnel Error.Periodic Test Performed & Valves Found in Correct Position | /03L-0:on 820119,routine QA Audit of Fire Protection Sys Test Found Three Valves Marked Not Accessible & Had Not Been Checked.Caused by Personnel Error.Periodic Test Performed & Valves Found in Correct Position | |
| 05000369/LER-1982-012, Forwards LER 82-012/03L-0.Detailed Event Analysis Encl | Forwards LER 82-012/03L-0.Detailed Event Analysis Encl | |
| 05000369/LER-1982-013, Forwards LER 82-013/03L-0.Detailed Event Analysis Encl | Forwards LER 82-013/03L-0.Detailed Event Analysis Encl | |
| 05000369/LER-1982-013-03, /03L-0:on 820126,two Upper Head Injection Train a Accumulator Tank Level Switches Miscalibr,Rendering Isolation Valves Inoperable.Caused by Faulty Data Programmed Into Computer Memory.Program Corrected | /03L-0:on 820126,two Upper Head Injection Train a Accumulator Tank Level Switches Miscalibr,Rendering Isolation Valves Inoperable.Caused by Faulty Data Programmed Into Computer Memory.Program Corrected | |
| 05000369/LER-1982-014-03, /03L-0:on 820128,process Monitoring Sys Containment Gas Monitor EMF-39(L) Declared Inoperable Due to Scale Low Indication & Loss of Indication.Caused by Failure of Quality Bnn Connector.Sys Repaired | /03L-0:on 820128,process Monitoring Sys Containment Gas Monitor EMF-39(L) Declared Inoperable Due to Scale Low Indication & Loss of Indication.Caused by Failure of Quality Bnn Connector.Sys Repaired | |
| 05000369/LER-1982-014, Forwards LER 82-014/03L-0 | Forwards LER 82-014/03L-0 | |
| 05000369/LER-1982-015, Forwards LER 82-015/01T-0.Detailed Event Analysis Encl | Forwards LER 82-015/01T-0.Detailed Event Analysis Encl | |
| 05000369/LER-1982-015-01, /01T-0:on 820212,both Centrifugal Charging Pumps (CCP) Declared Inoperable When Hydrogen from Reciprocating Charging Pump Suction Dampeners Entered CCP Suction,Causing Cavitation | /01T-0:on 820212,both Centrifugal Charging Pumps (CCP) Declared Inoperable When Hydrogen from Reciprocating Charging Pump Suction Dampeners Entered CCP Suction,Causing Cavitation | |
| 05000369/LER-1982-016-03, /03L-0:on 820211,discovered Pivot Pin Missing from safety-related Hanger Located in Centrifugal Charging Pump 1B Room Supporting Pump 4-inch Discharge Line Rendering Hanger Inoperable.Cause Undetermined.New Pin Installed | /03L-0:on 820211,discovered Pivot Pin Missing from safety-related Hanger Located in Centrifugal Charging Pump 1B Room Supporting Pump 4-inch Discharge Line Rendering Hanger Inoperable.Cause Undetermined.New Pin Installed | |
| 05000369/LER-1982-016, Forwards LER 82-016/03L-0 | Forwards LER 82-016/03L-0 | |
| 05000369/LER-1982-017-03, /03L-0:on 820212,control Room Alarms Indicated Closing of 4 Accumulator Discharge Isolation Valves, Rendering Upper Head Injection Portion of ECCS Inoperable. Cause Probably Due to Installation Deficiency | /03L-0:on 820212,control Room Alarms Indicated Closing of 4 Accumulator Discharge Isolation Valves, Rendering Upper Head Injection Portion of ECCS Inoperable. Cause Probably Due to Installation Deficiency | |
| 05000369/LER-1982-017, Forwards LER 82-017/03L-0.Detailed Event Analysis Encl | Forwards LER 82-017/03L-0.Detailed Event Analysis Encl | |
| 05000369/LER-1982-018-03, /03L-0:on 820218,control Room Annunciators Indicated Reactor Coolant Loop B Overtemp & Overpower Delta T Alarms.Caused by Faulty Lead/Lag Amplifier Card in Loop B Delta T Section of 7300 Control Sys Cabinets | /03L-0:on 820218,control Room Annunciators Indicated Reactor Coolant Loop B Overtemp & Overpower Delta T Alarms.Caused by Faulty Lead/Lag Amplifier Card in Loop B Delta T Section of 7300 Control Sys Cabinets | |
| 05000369/LER-1982-018, Forwards LER 82-018/03L-0 | Forwards LER 82-018/03L-0 | |
| 05000369/LER-1982-019-03, /03L-0:on 820228,during Mode 4,performance of RCS Pressure Isolation Valve Leak Rate Test Determined That 3 Valves Failed Test.Caused by Failure of Valves to Seat Properly.Valves Disassembled & Repaired | /03L-0:on 820228,during Mode 4,performance of RCS Pressure Isolation Valve Leak Rate Test Determined That 3 Valves Failed Test.Caused by Failure of Valves to Seat Properly.Valves Disassembled & Repaired | |
| 05000369/LER-1982-020-03, /03L-0:on 820304,during Mode 5,operator-trainee Attempted to Address Status of Fire Zone Through Honeywell Fire Detection Sys Operator Terminal & Mistakenly Dumped Central Processing Unit Memory.Caused by Personnel Error | /03L-0:on 820304,during Mode 5,operator-trainee Attempted to Address Status of Fire Zone Through Honeywell Fire Detection Sys Operator Terminal & Mistakenly Dumped Central Processing Unit Memory.Caused by Personnel Error | |
| 05000369/LER-1982-020, Forwards LER 82-020/03L-0 | Forwards LER 82-020/03L-0 | |
| 05000369/LER-1982-021-03, /03L-0:on 820309,discovered Cold Leg Injection Accumulator Isolation Valves Not Periodically Tested for Correct Response to P-11 Interlock Signal.Caused by Procedural Deficiency.Tests Performed on 820312 | /03L-0:on 820309,discovered Cold Leg Injection Accumulator Isolation Valves Not Periodically Tested for Correct Response to P-11 Interlock Signal.Caused by Procedural Deficiency.Tests Performed on 820312 | |
| 05000369/LER-1982-021, Forwards LER 82-021/03L-0 | Forwards LER 82-021/03L-0 | |
| 05000369/LER-1982-022-03, /03L-0:on 820310,while in Mode 5,procedure Review Revealed Pressurizer 1 Power Operated Relief Valve (PORV) Had Not Been Timed.Procedure Change on 800915 Failed to Include PORV for Time Test.Procedure Changed | /03L-0:on 820310,while in Mode 5,procedure Review Revealed Pressurizer 1 Power Operated Relief Valve (PORV) Had Not Been Timed.Procedure Change on 800915 Failed to Include PORV for Time Test.Procedure Changed | |
| 05000369/LER-1982-022, Forwards LER 82-022/03L-0 | Forwards LER 82-022/03L-0 | |
| 05000369/LER-1982-023, Forwards LER 82-023/03L-0.Detailed Event Analysis Encl | Forwards LER 82-023/03L-0.Detailed Event Analysis Encl | |
| 05000369/LER-1982-023-03, /03L-0:on 820312,after Filling & Venting of RCS, Sample Indicated Boron Concentration at 1,025 Ppm.Caused by Procedural Deficiency Due to Operating Boric Acid Blender W/O Concentration Verification During Addition to RCS | /03L-0:on 820312,after Filling & Venting of RCS, Sample Indicated Boron Concentration at 1,025 Ppm.Caused by Procedural Deficiency Due to Operating Boric Acid Blender W/O Concentration Verification During Addition to RCS | |
| 05000369/LER-1982-024, Forwards LER 82-024/03L-0.Detailed Event Analysis Encl | Forwards LER 82-024/03L-0.Detailed Event Analysis Encl | |
| 05000369/LER-1982-024-03, /03L-0:on 820302,while Draining RCS for Insp,Rhr Pump Low Discharge Pressure Alarm Sounded.Caused by Inaccurate Indication of RCS Water Level Due to Misapplication of Control Board Level Gauge Transmitter | /03L-0:on 820302,while Draining RCS for Insp,Rhr Pump Low Discharge Pressure Alarm Sounded.Caused by Inaccurate Indication of RCS Water Level Due to Misapplication of Control Board Level Gauge Transmitter | |
| 05000369/LER-1982-025, Forwards LER 82-025/03L-0 | Forwards LER 82-025/03L-0 | |
| 05000369/LER-1982-025-03, /03L-0:on 820318,vol Control Tank Makeup Frequency Increased & Containment Floor & Equipment Sump 1A Level Increased During RCS Leak Test.Caused by Failure to Verify Isolation Valves Closed Due to Procedural Deficiency | /03L-0:on 820318,vol Control Tank Makeup Frequency Increased & Containment Floor & Equipment Sump 1A Level Increased During RCS Leak Test.Caused by Failure to Verify Isolation Valves Closed Due to Procedural Deficiency | |
| 05000369/LER-1982-026, Forwards LER 82-026/03L-0 | Forwards LER 82-026/03L-0 | |