| | | Reporting criterion |
|---|
| 05000366/LER-1978-006, Forwards LER 78-006/03L-0 | Forwards LER 78-006/03L-0 | |
| 05000366/LER-1978-006-03, /03L-1 on 780724:average Drywell Temp Exceeded Limit of 135F as Set Forth in Tech Specs 3.6.1.7.Caused by Stratification of Air Temp in Drywell | /03L-1 on 780724:average Drywell Temp Exceeded Limit of 135F as Set Forth in Tech Specs 3.6.1.7.Caused by Stratification of Air Temp in Drywell | |
| 05000321/LER-1978-008-01, /01T-0 on 780209:during Steady State Power Operation,Test Valve Found to Be Broken Off.Cause Unknown. Valve Repaired.Investigation Under Way | /01T-0 on 780209:during Steady State Power Operation,Test Valve Found to Be Broken Off.Cause Unknown. Valve Repaired.Investigation Under Way | |
| 05000321/LER-1978-008, Forwards LER 78-008/01T-0 | Forwards LER 78-008/01T-0 | |
| 05000366/LER-1978-020, Has Been Voided | Has Been Voided | |
| 05000366/LER-1978-023, Forwards LER 78-023/01L-1 | Forwards LER 78-023/01L-1 | |
| 05000366/LER-1978-026-03, Mechanical Penetrations in Oil Room Floor & in Wall of 600-volt Switchgear Room 2D Found W/O Fire Penetration Seals.Caused by Personnel Determining Seals Unnecessary.Seals Installed | Mechanical Penetrations in Oil Room Floor & in Wall of 600-volt Switchgear Room 2D Found W/O Fire Penetration Seals.Caused by Personnel Determining Seals Unnecessary.Seals Installed | |
| 05000321/LER-1978-027, Forwards Updated LER 78-027/03X-1 | Forwards Updated LER 78-027/03X-1 | |
| 05000321/LER-1978-027-03, Hanger E11-RHR-H97 on RHR Svc Water Outlet from Heat Exchanger Found Broken. Caused by Sheared Support Rod & Disengaged Saddle Bolt. Switch Replaced | Hanger E11-RHR-H97 on RHR Svc Water Outlet from Heat Exchanger Found Broken. Caused by Sheared Support Rod & Disengaged Saddle Bolt. Switch Replaced | |
| 05000366/LER-1978-030, Forwards LER 78-030/03L-0 | Forwards LER 78-030/03L-0 | |
| 05000366/LER-1978-030-03, /03L-0:on 780910,RHR Valves Failed to Close After Being Fully Opened.Temporary Fix Set Until Vendor Can Supply Permanent Fix.Followup Rept Will Be Issued | /03L-0:on 780910,RHR Valves Failed to Close After Being Fully Opened.Temporary Fix Set Until Vendor Can Supply Permanent Fix.Followup Rept Will Be Issued | |
| 05000366/LER-1978-031, Forwards LER 78-031/01T-0 | Forwards LER 78-031/01T-0 | |
| 05000366/LER-1978-031-01, /01T-0:on 780915,during Shutdown,Core Spray Piping Hangers 2E21-CS-H6 & 2E21-CS-H92 in Core Spray Suction Lines Found to Lack Strength for Load.New Hangers Installed.Caused by Use of Incorrect Drawing | /01T-0:on 780915,during Shutdown,Core Spray Piping Hangers 2E21-CS-H6 & 2E21-CS-H92 in Core Spray Suction Lines Found to Lack Strength for Load.New Hangers Installed.Caused by Use of Incorrect Drawing | |
| 05000366/LER-1978-032-03, /03L-0:on 780916,continuous Fire Watch Not Established at Unsealed Conduit.When Failure Was Recognized, Continuous Fire Watch Immediately Established.Shift Foreman Supervisors Made Aware of Conditions to Prevent Recurrence | /03L-0:on 780916,continuous Fire Watch Not Established at Unsealed Conduit.When Failure Was Recognized, Continuous Fire Watch Immediately Established.Shift Foreman Supervisors Made Aware of Conditions to Prevent Recurrence | |
| 05000366/LER-1978-033, Forwards LER 78-033/03L-0 | Forwards LER 78-033/03L-0 | |
| 05000366/LER-1978-033-03, /03L-0:on 780915,during Plant Startup,Drywell Pressure Exceeded 0.75 Psig Tech Spec Limit | /03L-0:on 780915,during Plant Startup,Drywell Pressure Exceeded 0.75 Psig Tech Spec Limit | |
| 05000366/LER-1978-034-03, /03L-0:on 780917,electrical Cables for Fire Dampers Between Generator & Battery Rooms Found Improperly Routed.Cables Rerouted | /03L-0:on 780917,electrical Cables for Fire Dampers Between Generator & Battery Rooms Found Improperly Routed.Cables Rerouted | |
| 05000366/LER-1978-034, Forwards LER 78-034/03L-0 | Forwards LER 78-034/03L-0 | |
| 05000366/LER-1978-035, Forwards LER 78-035/03L-0 | Forwards LER 78-035/03L-0 | |
| 05000366/LER-1978-035-03, /03L-0:on 780914,weekly IRM Procedure HNP-2-3052 Not Completed within Tech Spec Time Interval.Caused by Personnel Oversight | /03L-0:on 780914,weekly IRM Procedure HNP-2-3052 Not Completed within Tech Spec Time Interval.Caused by Personnel Oversight | |
| 05000366/LER-1978-037, Forwards LER 78-037/01T-0 | Forwards LER 78-037/01T-0 | |
| 05000366/LER-1978-037-01, /01T-0:on 780920.diesel Generator Control Logic Identified Potential Problem Which Could Exist Under LOCA or Losp.Caused by Design Discrepancy in Generator.Design Change Request Initiated | /01T-0:on 780920.diesel Generator Control Logic Identified Potential Problem Which Could Exist Under LOCA or Losp.Caused by Design Discrepancy in Generator.Design Change Request Initiated | |
| 05000366/LER-1978-038-03, /03L-0:on 780920,during Review of Commitments to Nrc,Discovered That Fire Team Training Not Conducted.Team Members Will Review Procedures by 781104 | /03L-0:on 780920,during Review of Commitments to Nrc,Discovered That Fire Team Training Not Conducted.Team Members Will Review Procedures by 781104 | |
| 05000366/LER-1978-038, Forwards LER 78-038/03L-0 | Forwards LER 78-038/03L-0 | |
| 05000366/LER-1978-039, Forwards LER 78-039/03L-0 | Forwards LER 78-039/03L-0 | |
| 05000366/LER-1978-039-03, /03L-0:on 780921,discovered Drywell Airlock Door Seals Not Inspected Every 72 H While Multiple Entries Performed.Surveillance Performed & Completed on 780921 | /03L-0:on 780921,discovered Drywell Airlock Door Seals Not Inspected Every 72 H While Multiple Entries Performed.Surveillance Performed & Completed on 780921 | |
| 05000366/LER-1978-040-03, /03L-0:on 78092,switch 2B21-n010C Setpoint Found Higher than 200f.Caused by Drift of Temp Switch.Switch Recalibr | /03L-0:on 78092,switch 2B21-n010C Setpoint Found Higher than 200f.Caused by Drift of Temp Switch.Switch Recalibr | |
| 05000366/LER-1978-040, Forwards LER 78-040/03L-0 | Forwards LER 78-040/03L-0 | |
| 05000366/LER-1978-041, Forwards LER 78-041/03L-0 | Forwards LER 78-041/03L-0 | |
| 05000366/LER-1978-041-03, /03L-0:on 78092,setpoint of Valve 2B21-N013C Found Higher than 200 F.Caused by Setpoint Drift.Switch Recalibr | /03L-0:on 78092,setpoint of Valve 2B21-N013C Found Higher than 200 F.Caused by Setpoint Drift.Switch Recalibr | |
| 05000321/LER-1978-043, Forwards LER 78-043/03L-1 | Forwards LER 78-043/03L-1 | |
| 05000321/LER-1978-043-03, /03L-1 on 780609:procedure HNP-1-3902,Safety Relief Valve Functional Test Tried Unsuccessfully on 2 Solenoids.One Failed Due to Bent Plunger;Other Failure Due to Plunger Not Properly Secured to Actuating Springs | /03L-1 on 780609:procedure HNP-1-3902,Safety Relief Valve Functional Test Tried Unsuccessfully on 2 Solenoids.One Failed Due to Bent Plunger;Other Failure Due to Plunger Not Properly Secured to Actuating Springs | |
| 05000366/LER-1978-043-03, /03L-0:on 780923:CRD Hatch Cover Removed & Both Personnel Air Lock Doors Opened.Leak Tests Not Completed in Specified Time Period.First Incident Caused by Jamming of Inner Personnel Air Lock Door | /03L-0:on 780923:CRD Hatch Cover Removed & Both Personnel Air Lock Doors Opened.Leak Tests Not Completed in Specified Time Period.First Incident Caused by Jamming of Inner Personnel Air Lock Door | |
| 05000366/LER-1978-043, Forwards LER 78-043/03L-0 | Forwards LER 78-043/03L-0 | |
| 05000366/LER-1978-044, Forwards LER 78-044/03L-0 | Forwards LER 78-044/03L-0 | |
| 05000366/LER-1978-044-03, /03L-0:on 780923,during Startup & Power Ascension Testing,Drywell Pressure Exceeded Tech Spec Limit of 0.75 Psig for 30 Minutes.Caused by Temp Increase While Running HPCI | /03L-0:on 780923,during Startup & Power Ascension Testing,Drywell Pressure Exceeded Tech Spec Limit of 0.75 Psig for 30 Minutes.Caused by Temp Increase While Running HPCI | |
| 05000366/LER-1978-045, Forwards LER 78-045/03L-0 | Forwards LER 78-045/03L-0 | |
| 05000366/LER-1978-045-03, /03L-0:on 780923,while Running HPCI Sys,Torus Water Temp Rose to 106 F.Caused by RHR Svc Water Pump Cooling Water Relief Valve Stuck Partially Open.Valve Cleaned,Checked & Reinstalled | /03L-0:on 780923,while Running HPCI Sys,Torus Water Temp Rose to 106 F.Caused by RHR Svc Water Pump Cooling Water Relief Valve Stuck Partially Open.Valve Cleaned,Checked & Reinstalled | |
| 05000321/LER-1978-046-01, /01T-1 on 780616:w/reactor in Startup & Hot Standby,Testing of Excess Flow Check Valve B31-F040A Revealed Unacceptable Leakage of 4.2 Gph.Cause Unknown.Trash May Have Been on Seat & Been Lost During Valve Removal | /01T-1 on 780616:w/reactor in Startup & Hot Standby,Testing of Excess Flow Check Valve B31-F040A Revealed Unacceptable Leakage of 4.2 Gph.Cause Unknown.Trash May Have Been on Seat & Been Lost During Valve Removal | |
| 05000366/LER-1978-046-03, /03L-0:on 780926,rated Flow W/Two Pumps Running in Loop 1 Could Not Be Achieved for Either Loop of RHR Svc Water Pump.Caused by Damaged Cavitrol V Trims & 10 Inch Fisher Valves | /03L-0:on 780926,rated Flow W/Two Pumps Running in Loop 1 Could Not Be Achieved for Either Loop of RHR Svc Water Pump.Caused by Damaged Cavitrol V Trims & 10 Inch Fisher Valves | |
| 05000366/LER-1978-046, Forwards LER 78-046/03L-0 | Forwards LER 78-046/03L-0 | |
| 05000366/LER-1978-047, Forwards LER 78-047/03L-0 | Forwards LER 78-047/03L-0 | |
| 05000366/LER-1978-047-03, /03L-0:on 780926,HNP-2-3054 of APRM Surveillance Signed Off During Run Mode at 174 Mwt Due to Personnel Misunderstanding.Personnel Instructed to Adhere to Schedule | /03L-0:on 780926,HNP-2-3054 of APRM Surveillance Signed Off During Run Mode at 174 Mwt Due to Personnel Misunderstanding.Personnel Instructed to Adhere to Schedule | |
| 05000366/LER-1978-049, Forwards LER 78-049/03L-0 | Forwards LER 78-049/03L-0 | |
| 05000366/LER-1978-049-03, /03L-0:on 781009,reactor Water Level Indicator 2C82-R005 Had Continuous Reading Higher than +60 Inches. Caused by Level Indicator Transmitter 2C82-N005 Piped in Backwards & Bad Amplifier | /03L-0:on 781009,reactor Water Level Indicator 2C82-R005 Had Continuous Reading Higher than +60 Inches. Caused by Level Indicator Transmitter 2C82-N005 Piped in Backwards & Bad Amplifier | |
| 05000366/LER-1978-050, Forwards LER 78-050/03L-0 | Forwards LER 78-050/03L-0 | |
| 05000366/LER-1978-050-03, /03L-0:on 781017,w/reactor in Run Mode,Standby Plant Svc Pump Lights Found Inoperable.Caused by Water in Starter Box.Low Pressure Pulled moisture-laden Cool Air Into Diesel Bldg Pullbox | /03L-0:on 781017,w/reactor in Run Mode,Standby Plant Svc Pump Lights Found Inoperable.Caused by Water in Starter Box.Low Pressure Pulled moisture-laden Cool Air Into Diesel Bldg Pullbox | |
| 05000366/LER-1978-051-03, /03L-0 on 781017:during Startup Testing While Calibrating APRM High Flux Scram Setpoints,Discerned That Trip Setpoints Were Set in Excess of Reg Guide Criteria. Caused by Deficiency in Procedures | /03L-0 on 781017:during Startup Testing While Calibrating APRM High Flux Scram Setpoints,Discerned That Trip Setpoints Were Set in Excess of Reg Guide Criteria. Caused by Deficiency in Procedures | |
| 05000366/LER-1978-051, Forwards LER 78-051/03L-0 | Forwards LER 78-051/03L-0 | |
| 05000366/LER-1978-053, Forwards LER 78-053/03L-0 | Forwards LER 78-053/03L-0 | |
