LER-1978-038, /03L-0 on 781106:during Constr activities,2 Elec Penetration Fire Barriers Opened to Permit Cable Routing W/O Fire Tour Being Established.Caused by Failure of Contractor Personnel to Comply W/Plant Procedures |
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Pal.isades NRC FORM386 11-n1 U.S. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT CONTROL BLOCK:!!-_1-,_...._....r.......11-.i.....-!!l 0 1
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[))]J I During construction activities;-"two electrical penetration fire barriers were opened to permit cable routing.
However; a fire tour was not
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Upon discovery, a fire tour was
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Event.posed no threat to public health or safety.
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| 05000255/LER-1978-000, License Event Report LER-78-000-00 Re Out-of-Sequence Rod Withdrawal | License Event Report LER-78-000-00 Re Out-of-Sequence Rod Withdrawal | | | 05000255/LER-1978-004, Two Updated License Event Reports, LER-78-004 & LER-78-006 | Two Updated License Event Reports, LER-78-004 & LER-78-006 | | | 05000255/LER-1978-007-01, /01T-0:on 780313,during Sealing of Electrical Connectors Located Inside Containment,Sockets &/Or Sealing Plugs Were Discovered Missing from Connectors.Caused by Connector Holes Not Being Filled During Wiring | /01T-0:on 780313,during Sealing of Electrical Connectors Located Inside Containment,Sockets &/Or Sealing Plugs Were Discovered Missing from Connectors.Caused by Connector Holes Not Being Filled During Wiring | | | 05000255/LER-1978-013, Forwards LER 78-013/01X-1 | Forwards LER 78-013/01X-1 | | | 05000255/LER-1978-013-01, /01X-1 on 780421:containment Bldg Air Valve Was Opened During Hot Shutdown Resulting in a Breach of Containment Integrity,Caused by Personnel Error.Notice Posted & Personnel Instructed Re Proper Procedures | /01X-1 on 780421:containment Bldg Air Valve Was Opened During Hot Shutdown Resulting in a Breach of Containment Integrity,Caused by Personnel Error.Notice Posted & Personnel Instructed Re Proper Procedures | | | 05000255/LER-1978-030, Forwards LER 78-030/01T on 780828 | Forwards LER 78-030/01T on 780828 | | | 05000255/LER-1978-030-01, /01T on 780828:During Cooldown of the Reactor,The Containment Bldg Was Ventilated Thru the Purge Supply & Exhaust Valves.Improper Tagging Caused Valves to Be Open & Containment Integrity Not Met. (Encl to 7809190170) | /01T on 780828:During Cooldown of the Reactor,The Containment Bldg Was Ventilated Thru the Purge Supply & Exhaust Valves.Improper Tagging Caused Valves to Be Open & Containment Integrity Not Met. (Encl to 7809190170) | | | 05000255/LER-1978-031, Forwards LER 78-031/01T-0 | Forwards LER 78-031/01T-0 | | | 05000255/LER-1978-032-01, /01T-0:on 781019,during Monthly Sampling of SI Tanks,Boron Concentrations in Tanks B & D Were 1,703 & 1655 Ppm,Respectively.Caused by Dilution of SI Tank Contents from Water Left in Shutdown Cooling Lines After Shutdown | /01T-0:on 781019,during Monthly Sampling of SI Tanks,Boron Concentrations in Tanks B & D Were 1,703 & 1655 Ppm,Respectively.Caused by Dilution of SI Tank Contents from Water Left in Shutdown Cooling Lines After Shutdown | | | 05000255/LER-1978-032, Forwards LER 78-032/01T-0 | Forwards LER 78-032/01T-0 | | | 05000255/LER-1978-033-01, /01T-0:on 781025,during 15-day Isolation of Waste Gas Decay Tank,Part of Tank Contents Leaked Out.Caused by Faulty Pressure Instrumentation.Instrumentation Recalibr | /01T-0:on 781025,during 15-day Isolation of Waste Gas Decay Tank,Part of Tank Contents Leaked Out.Caused by Faulty Pressure Instrumentation.Instrumentation Recalibr | | | 05000255/LER-1978-033, Forwards LER 78-033/01T-0 | Forwards LER 78-033/01T-0 | | | 05000255/LER-1978-034, Forwards LER 78-034/01T-0 | Forwards LER 78-034/01T-0 | | | 05000255/LER-1978-034-01, /01T-0 on 781026:during Surveillance of safety- Related Shock Suppressors,Snubbers S5 & S28 Found Inoper. Caused by Oil Leakage Past Failed O-ring in Both Snubbers. O-ring Failure Due to Age & High Temp Conditions | /01T-0 on 781026:during Surveillance of safety- Related Shock Suppressors,Snubbers S5 & S28 Found Inoper. Caused by Oil Leakage Past Failed O-ring in Both Snubbers. O-ring Failure Due to Age & High Temp Conditions | | | 05000255/LER-1978-035, Forwards LER 78-035/03L-0 & 78-036/03L-0 | Forwards LER 78-035/03L-0 & 78-036/03L-0 | | | 05000255/LER-1978-035-03, /03L-0 on 781020:channel D Pressure Instru pt-0102D Found to Be Out of Calibr.Caused by Zero Shift. Calibr Frequency Changed from Annually to semi-annually | /03L-0 on 781020:channel D Pressure Instru pt-0102D Found to Be Out of Calibr.Caused by Zero Shift. Calibr Frequency Changed from Annually to semi-annually | | | 05000255/LER-1978-036-03, /03X-1 on 781021:during Monthly Surveillance of Fire Hose Stations,Hose Station 11 Was Found to Have 50-foot Hose Instead of Required 74-foot Hose.Caused by Personnel Error | /03X-1 on 781021:during Monthly Surveillance of Fire Hose Stations,Hose Station 11 Was Found to Have 50-foot Hose Instead of Required 74-foot Hose.Caused by Personnel Error | | | 05000255/LER-1978-036, Forwards LER 78-036/03X-1 | Forwards LER 78-036/03X-1 | | | 05000255/LER-1978-037-03, /03X-1 on 781031:with Diesel Generator 1-2 Out of Svc,Pwr Supply for Alternate Changing Pumps Was Shifted to D/G 1-1 Before Charging Pump P-55c Was Removed from Svc. Caused by Personnel Error | /03X-1 on 781031:with Diesel Generator 1-2 Out of Svc,Pwr Supply for Alternate Changing Pumps Was Shifted to D/G 1-1 Before Charging Pump P-55c Was Removed from Svc. Caused by Personnel Error | | | 05000255/LER-1978-037, Forwards LER 78-037/03X-1 | Forwards LER 78-037/03X-1 | | | 05000255/LER-1978-038, Forwards LER 78-038/03L-0 | Forwards LER 78-038/03L-0 | | | 05000255/LER-1978-038-03, /03L-0 on 781106:during Constr activities,2 Elec Penetration Fire Barriers Opened to Permit Cable Routing W/O Fire Tour Being Established.Caused by Failure of Contractor Personnel to Comply W/Plant Procedures | /03L-0 on 781106:during Constr activities,2 Elec Penetration Fire Barriers Opened to Permit Cable Routing W/O Fire Tour Being Established.Caused by Failure of Contractor Personnel to Comply W/Plant Procedures | | | 05000255/LER-1978-039, Forwards LER 78-039/03L-0 | Forwards LER 78-039/03L-0 | | | 05000255/LER-1978-039-03, /03L-0:on 781110:during Normal Operation,Steam Generator Ph & Conductivity Exceeded Tech Spec steady-state Limits.Caused by Inadvertent Addition of Morpholine to Condensate Sys Thru Leaking Drain Valve | /03L-0:on 781110:during Normal Operation,Steam Generator Ph & Conductivity Exceeded Tech Spec steady-state Limits.Caused by Inadvertent Addition of Morpholine to Condensate Sys Thru Leaking Drain Valve | | | 05000255/LER-1978-040, Forwards LER 78-040/01X-2 | Forwards LER 78-040/01X-2 | | | 05000255/LER-1978-040-01, /01X-1:on 781128,during Venting of Waste Gas Surge Tank,Leakage Resulted in Gaseous Release W/O 15-day Holdup Time.Cause Under Evaluation.Rept Will Be Issued by 790105, Not 780105 as Previously Reported | /01X-1:on 781128,during Venting of Waste Gas Surge Tank,Leakage Resulted in Gaseous Release W/O 15-day Holdup Time.Cause Under Evaluation.Rept Will Be Issued by 790105, Not 780105 as Previously Reported | | | 05000255/LER-1978-041, Forwards LER 78-041/01T-01 | Forwards LER 78-041/01T-01 | | | 05000255/LER-1978-041-01, /01T:on 781214,dtermined That Insufficient High Pressure Safety Injection Flow Would Be Delivered to Core in Event of Small Break Loca.Caused by Redundant High Pressure Safety Injection Header Being Valved Out of Svc | /01T:on 781214,dtermined That Insufficient High Pressure Safety Injection Flow Would Be Delivered to Core in Event of Small Break Loca.Caused by Redundant High Pressure Safety Injection Header Being Valved Out of Svc | | | 05000255/LER-1978-042-03, /03L-1 on 781209:reactor Was Taken Critical After Repairs to Boric Acid Gravity Flow Feed Line But Prior to Obtaining Equipment Outage Request (Eor) Signatures.To Prevent Recurrence,Startup Checklist Will Include Eor | /03L-1 on 781209:reactor Was Taken Critical After Repairs to Boric Acid Gravity Flow Feed Line But Prior to Obtaining Equipment Outage Request (Eor) Signatures.To Prevent Recurrence,Startup Checklist Will Include Eor | | | 05000255/LER-1978-042, Forwards LER 78-042/03L-1 | Forwards LER 78-042/03L-1 | | | 05000255/LER-1978-043-01, /01T-0 on 781231:during Control Rod Drive Mechanism Exercising,Rod 29 Was Driven Too Far,Resulting in Misalignment Greater than 8 Inches from Remaining Rods in Group.Caused by Diversion of Operators Attention | /01T-0 on 781231:during Control Rod Drive Mechanism Exercising,Rod 29 Was Driven Too Far,Resulting in Misalignment Greater than 8 Inches from Remaining Rods in Group.Caused by Diversion of Operators Attention | | | 05000255/LER-1978-043, Forwards LER 78-043/01T-0 | Forwards LER 78-043/01T-0 | | | 05000255/LER-1978-044, Forwards LER 78-044/04L-0 | Forwards LER 78-044/04L-0 | | | 05000255/LER-1978-044-04, /04L-0 on 781219:during Power Ascension Following Plant Startup,Thermal Discharges to Lake Caused 6 F Increase Above Ambient Temp of Receiving Water.Caused by Damaged Wier Stop Logs | /04L-0 on 781219:during Power Ascension Following Plant Startup,Thermal Discharges to Lake Caused 6 F Increase Above Ambient Temp of Receiving Water.Caused by Damaged Wier Stop Logs | |
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