| | | Reporting criterion |
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| 05000333/LER-1978-008, Forwards LER 78-008/03L-0 | Forwards LER 78-008/03L-0 | |
| 05000333/LER-1978-008-03, /03L-0 on 780210:during Normal Plant Operation, Smoke Emanated from Supply Breaker for 13MOV131 Reactor Core Overload.Caused by Electrical Overload.Damaged Parts Replaced | /03L-0 on 780210:during Normal Plant Operation, Smoke Emanated from Supply Breaker for 13MOV131 Reactor Core Overload.Caused by Electrical Overload.Damaged Parts Replaced | |
| 05000333/LER-1978-043-01, /01X-1 on 780616:3 Motors Had Electrical Winding Insulation Qualified to 250 F Rather than 295 F.Motors Were Rewound with Proper Insulation During 1978 Outage | /01X-1 on 780616:3 Motors Had Electrical Winding Insulation Qualified to 250 F Rather than 295 F.Motors Were Rewound with Proper Insulation During 1978 Outage | |
| 05000333/LER-1978-043, Forwards LER 78-043/01X-1 | Forwards LER 78-043/01X-1 | |
| 05000333/LER-1978-048, :Number Not Used |
- Number Not Used
| |
| 05000333/LER-1978-056-03, /03L-1:on 780722,core Spray Sys Outboard Isolation Valve Would Not Close.Caused by Sheared Limitorque Shaft Key.Key Replaced | /03L-1:on 780722,core Spray Sys Outboard Isolation Valve Would Not Close.Caused by Sheared Limitorque Shaft Key.Key Replaced | |
| 05000333/LER-1978-056, Forwards LER 78-056/03L-1 | Forwards LER 78-056/03L-1 | |
| 05000333/LER-1978-059-03, /03L-0 on 780805:primary Containment Pressure Suppression Pool Level Exceeded Tech Specs Limit by Two Inches.Caused by Operator Failure to Isolate RHR Sys from keep-full Subsys | /03L-0 on 780805:primary Containment Pressure Suppression Pool Level Exceeded Tech Specs Limit by Two Inches.Caused by Operator Failure to Isolate RHR Sys from keep-full Subsys | |
| 05000333/LER-1978-059, Forwards LER 78-059/03L | Forwards LER 78-059/03L | |
| 05000333/LER-1978-075, Forwards LER 78-075/03L-1 | Forwards LER 78-075/03L-1 | |
| 05000333/LER-1978-075-03, /03L-1:on 780902,during Surveillance Test F-ST-3D, Normally Closed Inboard Core Spray Injection Valve 14-MOV-12B Failed to Open Electrically,Causing Sys Inoperability.Caused by High Differential Pressure | /03L-1:on 780902,during Surveillance Test F-ST-3D, Normally Closed Inboard Core Spray Injection Valve 14-MOV-12B Failed to Open Electrically,Causing Sys Inoperability.Caused by High Differential Pressure | |
| 05000333/LER-1978-079, Forwards LER 78-079/04L-0 | Forwards LER 78-079/04L-0 | |
| 05000333/LER-1978-079-04, /04L-0 on 780914:An Apparent Excessive Solute Release from Makeup Water Treatment Waste Neutralizer Tanks to Circulating Water Discharge Tunnel Was Detected While Performing Aug 78 24-hour Complete Sample Analysis | /04L-0 on 780914:An Apparent Excessive Solute Release from Makeup Water Treatment Waste Neutralizer Tanks to Circulating Water Discharge Tunnel Was Detected While Performing Aug 78 24-hour Complete Sample Analysis | |
| 05000333/LER-1978-080, Forwards LER 78-080/03X-1 | Forwards LER 78-080/03X-1 | |
| 05000333/LER-1978-080-03, /03X-1 on 780914:noted That Valves in Pressure Suppression Chamber to Drywell Vacuum Breakers Were Never Subjected to Local Leak Rate Tests.Testing Will Be Completed During Refueling Outage Begun on 780916 | /03X-1 on 780914:noted That Valves in Pressure Suppression Chamber to Drywell Vacuum Breakers Were Never Subjected to Local Leak Rate Tests.Testing Will Be Completed During Refueling Outage Begun on 780916 | |
| 05000333/LER-1978-081-03, /03L-0 on 780915:circuit Breaker for RHR Pump 10-P 10-P-3C Would Not Charge. Caused by Bending of Control Pwr Fuse Holder Causing Pump Circuit Breaker Not to Make Contact | /03L-0 on 780915:circuit Breaker for RHR Pump 10-P 10-P-3C Would Not Charge. Caused by Bending of Control Pwr Fuse Holder Causing Pump Circuit Breaker Not to Make Contact | |
| 05000333/LER-1978-081, Forwards LER 78-081/03L-0 | Forwards LER 78-081/03L-0 | |
| 05000333/LER-1978-082-03, /03L-0:on 780920,during Refueling Shutdown, Pressure Suppression Pool Torus Level Increased to 0.8 Inches Above Tech Spec Limit.Caused by Leaking Past Seat of Safety Relief Valve | /03L-0:on 780920,during Refueling Shutdown, Pressure Suppression Pool Torus Level Increased to 0.8 Inches Above Tech Spec Limit.Caused by Leaking Past Seat of Safety Relief Valve | |
| 05000333/LER-1978-082, Forwards LER 78-082/03L-0 | Forwards LER 78-082/03L-0 | |
| 05000333/LER-1978-085, Forwards LER 78-085/04X-1 | Forwards LER 78-085/04X-1 | |
| 05000333/LER-1978-085-04, /04X-1 on 781006:3rd Quarter Release of Halogens & Particulates Greater than Tech Specs.Caused by Steam Leaks & Fuel Pin Clad Performance | /04X-1 on 781006:3rd Quarter Release of Halogens & Particulates Greater than Tech Specs.Caused by Steam Leaks & Fuel Pin Clad Performance | |
| 05000333/LER-1978-086-03, /03L-0;on 781016,during Refuel Shutdown,Two Elec Conduits Passing Through Safety Related Area Fire Barrier Found to Be Improperly Sealed in Violation of Tech Spec. Both Penetrations Immediately Sealed | /03L-0;on 781016,during Refuel Shutdown,Two Elec Conduits Passing Through Safety Related Area Fire Barrier Found to Be Improperly Sealed in Violation of Tech Spec. Both Penetrations Immediately Sealed | |
| 05000333/LER-1978-086, Forwards LER 78-086/03L-0 | Forwards LER 78-086/03L-0 | |
| 05000333/LER-1978-087-04, /04T-0 on 781018:Environ Radiological Monitoring Sample of Periphyton Samples Pci/Gm(Wet)Does Not Meet Subj Facil Tech Spec Append B,Paragraph 5.6.2.6 | /04T-0 on 781018:Environ Radiological Monitoring Sample of Periphyton Samples Pci/Gm(Wet)Does Not Meet Subj Facil Tech Spec Append B,Paragraph 5.6.2.6 | |
| 05000333/LER-1978-087, Forwards LER 78-087/04T-0 | Forwards LER 78-087/04T-0 | |
| 05000333/LER-1978-088-04, /04L-0 on 781024:excess Solute Release from Makeup Water Treatment Waste Neutralizer Tanks to Circulating Water Discharge Tunnel Detected.Caused by Unsound Sampling & Method of Determining Concentrations & Dissolved Solids | /04L-0 on 781024:excess Solute Release from Makeup Water Treatment Waste Neutralizer Tanks to Circulating Water Discharge Tunnel Detected.Caused by Unsound Sampling & Method of Determining Concentrations & Dissolved Solids | |
| 05000333/LER-1978-088, Forwards LER 78-088/04L-0 | Forwards LER 78-088/04L-0 | |
| 05000333/LER-1978-089-03, /03L-0 on 781101:during Refueling & Maint Shutdown It Was Found That Surveillance Test Had Not Been Performed for Combustion Ionization Products Smoke Detectors Installed in Diesel Fire Pump Room on 780310,due to Oversight | /03L-0 on 781101:during Refueling & Maint Shutdown It Was Found That Surveillance Test Had Not Been Performed for Combustion Ionization Products Smoke Detectors Installed in Diesel Fire Pump Room on 780310,due to Oversight | |
| 05000333/LER-1978-089, Forwards LER 78-089/03L-0 | Forwards LER 78-089/03L-0 | |
| 05000333/LER-1978-090, Forwards LER 78-090/03L-0 | Forwards LER 78-090/03L-0 | |
| 05000333/LER-1978-091-03, /03L-0 on 781201:low Level Radiation Test of Containment Penetrations Was Conducted & Indicated Leakage Exceeded Value of La Specified in Tech Specs.Probable Cause: Isolation Valves Associated W/ Penetrations | /03L-0 on 781201:low Level Radiation Test of Containment Penetrations Was Conducted & Indicated Leakage Exceeded Value of La Specified in Tech Specs.Probable Cause: Isolation Valves Associated W/ Penetrations | |
| 05000333/LER-1978-091, Forwards LER 78-091/03L-0 | Forwards LER 78-091/03L-0 | |
| 05000333/LER-1978-092-04, /04L-0 on 781130:excessive Solute Release from Makeup Water Treatment Waste Neutralizer Tanks to Circulating Water Discharge Tunnel.Believe Method of Determining Solute Concentration Is Unsound | /04L-0 on 781130:excessive Solute Release from Makeup Water Treatment Waste Neutralizer Tanks to Circulating Water Discharge Tunnel.Believe Method of Determining Solute Concentration Is Unsound | |
| 05000333/LER-1978-092, Forwards LER 78-092/04L-0 | Forwards LER 78-092/04L-0 | |
| 05000333/LER-1978-093-03, /03L-0 on 781204:wiring Error Found on 10% Closure Position Switch for Inboard Main Steam Isolation Valve B(29-AOV-8OB).Caused by Crossed Wires | /03L-0 on 781204:wiring Error Found on 10% Closure Position Switch for Inboard Main Steam Isolation Valve B(29-AOV-8OB).Caused by Crossed Wires | |
| 05000333/LER-1978-093, Forwards LER 78-093/03L-0 | Forwards LER 78-093/03L-0 | |
| 05000333/LER-1978-094, Forwards LER 78-094/03L-0 | Forwards LER 78-094/03L-0 | |
| 05000333/LER-1978-094-03, /03L-0 on 781122:during Shutdown & Surveillance Test,A Number of Battery Cells Were Found W/Specific Gravity &/Or Individual Cell Voltage Variations(High or Low) Greater than Allowed by Test Acceptance Criteria | /03L-0 on 781122:during Shutdown & Surveillance Test,A Number of Battery Cells Were Found W/Specific Gravity &/Or Individual Cell Voltage Variations(High or Low) Greater than Allowed by Test Acceptance Criteria | |
| 05000333/LER-1978-095-03, /03L-0 on 781206:during Refueling Outage,Some Fire Barrier Electrical Penetration Sleeves Were Intentionally Opened to Install New Cable.A Fire Watch Was Present & Penetrations Were Resealed & Inspected | /03L-0 on 781206:during Refueling Outage,Some Fire Barrier Electrical Penetration Sleeves Were Intentionally Opened to Install New Cable.A Fire Watch Was Present & Penetrations Were Resealed & Inspected | |
| 05000333/LER-1978-095, Forwards LER 78-095/03L-0 | Forwards LER 78-095/03L-0 | |
| 05000333/LER-1978-096-03, /03L-0 on 781206:reactor Coolant Sample Indicated a Chloride Ion Sample of 0.180 Ppm Due to Inadvertent Contamination of the Sample W/Matl Containing High Amounts of Chloride Ions | /03L-0 on 781206:reactor Coolant Sample Indicated a Chloride Ion Sample of 0.180 Ppm Due to Inadvertent Contamination of the Sample W/Matl Containing High Amounts of Chloride Ions | |
| 05000333/LER-1978-096, Forwards LER 78-096/03L-0 | Forwards LER 78-096/03L-0 | |
| 05000333/LER-1978-097-01, /01X-1 on 781215:during Instrument Surveillance Procedure F-ISP 10,the 8 Temp Switches Associated W/ Isolation of HPCI Sys Steam Line Were Set Above Tech Spec Limits.Caused by Use of Wrong Conversion Table | /01X-1 on 781215:during Instrument Surveillance Procedure F-ISP 10,the 8 Temp Switches Associated W/ Isolation of HPCI Sys Steam Line Were Set Above Tech Spec Limits.Caused by Use of Wrong Conversion Table | |
| 05000333/LER-1978-097, Forwards LER 78-097/01X-1 | Forwards LER 78-097/01X-1 | |
| 05000333/LER-1978-098-03, /03L-0 on 781205:emergency Diesel Generator a Tripped When Being Paralleled to Bus.Caused by Misadjustment of Engine Governor After Extended Maintenance Period | /03L-0 on 781205:emergency Diesel Generator a Tripped When Being Paralleled to Bus.Caused by Misadjustment of Engine Governor After Extended Maintenance Period | |
| 05000333/LER-1978-098, Forwards LER 78-098/03L-0 | Forwards LER 78-098/03L-0 | |
| 05000333/LER-1978-099-04, /04T-0 on 781220:activity Levels of Co-60 & Mn-54 in Several Radiological Monitoring Samples Were Greater than 10 Times the Control Station Activity Levels | /04T-0 on 781220:activity Levels of Co-60 & Mn-54 in Several Radiological Monitoring Samples Were Greater than 10 Times the Control Station Activity Levels | |
| 05000333/LER-1978-099, Forwards LER 78-099/04T-0 | Forwards LER 78-099/04T-0 | |
| 05000333/LER-1978-100-03, /03L-0 on 781209:rod-block Monitor Upscale & Downscale Instrument Functional Check Could Not Be Completed.Malfunction Disappeared & Could Not Be Duplicated | /03L-0 on 781209:rod-block Monitor Upscale & Downscale Instrument Functional Check Could Not Be Completed.Malfunction Disappeared & Could Not Be Duplicated | |
| 05000333/LER-1978-100, Forwards LER 78-100/03L-0 | Forwards LER 78-100/03L-0 | |
