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A list of all pages that have property "Title" with value "Unusual Event - Unit 4 Containment Isolation Failure Due to Bus Lockout". Since there have been only a few results, also nearby values are displayed.

Showing below up to 26 results starting with #1.

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List of results

  • ENS 42908  + (Unusual Event - High Airborne Particulate in the Reactor Building)
  • ENS 44380  + (Unusual Event - Hydrazine Leak in Non-Vital Area of the Turbine Building)
  • ENS 47544  + (Unusual Event - Hydrogen Leak in Turbine Building)
  • ENS 42912  + (Unusual Event - Identified Leakage Greater than 25 Gpm)
  • ENS 44442  + (Unusual Event - Internal Flooding in Service Water Intake Structure)
  • ENS 57659  + (Unusual Event - Loss of All But One AC Power Source to Emergency Buses)
  • ENS 57711  + (Unusual Event - Loss of All Offsite Power)
  • ENS 58038  + (Unusual Event - Loss of All Offsite Power to Vital Busses)
  • ENS 42887  + (Unusual Event - Loss of Containment Integrity)
  • ENS 44123  + (Unusual Event - Loss of Off-Site Power While Defueled)
  • ENS 43907  + (Unusual Event - Loss of Offsite Power)
  • ENS 52191  + (Unusual Event - Loss of Offsite Power)
  • ENS 57603  + (Unusual Event - Loss of Offsite Power)
  • ENS 48722  + (Unusual Event - Loss of Offsite Power to Essential Buses for Greater than 15 Minutes)
  • ENS 49606  + (Unusual Event - Loss of Startup Power Due to a Cut Cable)
  • ENS 42096  + (Unusual Event - Main Transformer Fire)
  • ENS 52526  + (Unusual Event - Potential Security Event)
  • ENS 57914  + (Unusual Event - RCS Identified Leakage Greater than 25 Gpm for Greater than 15 Minutes)
  • ENS 45517  + (Unusual Event - Reactor Coolant System Leakage Greater than 25 Gpm)
  • ENS 42592  + (Unusual Event - Reactor Trip of Both Units Due to Loss of All Offsite Power)
  • ENS 45112  + (Unusual Event - Smoke Alarm in Protected Area Lasting Greater than 15 Minutes)
  • ENS 44815  + (Unusual Event - Toxic Gas Discharge in Waste Gas Treatment Building)
  • ENS 43927  + (Unusual Event - Toxic Gases in the Turbine Building)
  • ENS 47208  + (Unusual Event - Transformer Explosion Near Turbine Building)
  • ENS 43929  + (Unusual Event - Uncontrolled Hydrogen Leak)
  • ENS 57773  + (Unusual Event - Unit 4 Containment Isolation Failure Due to Bus Lockout)
  • ML19308A936  + (Unusual Event 269/73-05:during 730627 Periodic Test,Keowee Hydro Unit 1 Failed to Start on Normal Signal.Caused by Shutdown Solenoid Failure.After Tightening Terminal Block Connection,Unit Started)
  • ML19308A917  + (Unusual Event 269/73-06:on 730628,leaking Incore Detector Tube Repaired W/O Proper Review.Caused by Misrouting of Design Engineering Approval.Procedure for Handling Station Mods Being Revised)
  • ML19308A925  + (Unusual Event 269/73-07:during 730626 Safeguards Test, Component Cooling Valve CC-8 Failed to Close on Signal. Caused by Pin Inserted in Manual Valve Operator.Pin Removed)
  • ML19308A975  + (Unusual Event 269/73-08:on 721219,during Power Ascension Testing,Main Steam Relief Valves Lifted Following Reactor Trips from Less than 40% Full Power.Steam Bypass Sys to Be Tested Further)
  • ML19308A981  + (Unusual Event 269/73-09:on 731001,during Monthly Test of Engineered Safeguards Channel 8,borated Water Storage Tank Outlet Valve LP-22 Failed to Operate.Caused by Electrical Malfunction of Field Circuitry)
  • ML19308A989  + (Unusual Event 269/73-10:on 731002,during Test of High Pressure Injection Pump 1C,discharge Valve HP-27 Failed to Open.Caused by Fouled M8/6 Interlock Contacts.Contacts Cleaned & Valve Tested)
  • ML19308B007  + (Unusual Event 269/73-13:on 731108,during Monthly Test of Engineered Safeguards Sys Channel 6,engineered Safeguards Valve FDW-108 Failed to Close.Caused by Slow Solenoid. Solenoid Replaced)
  • ML19308B022  + (Unusual Event 269/73-13:on 731203,during Monthly Test of Engineered Safeguards Channel 3,Fuse in Control Power Circuitry Blew,Causing Low Pressure Injection Line a Reactor Bldg Isolation Valve LP-17 to Stop Travel in Open Position)
  • ML19308B027  + (Unusual Event 269/73-14:on 731208,during Reactor Bldg remotely-operated Isolation Valve & Engineered Safeguards Valve Functional Test,Engineered Safeguards Valve RC-7 Failed to Open on Signal from Engineered Safeguards Panel)
  • ML19308B083  + (Unusual Event 269/73-15:on 731227,during Routine Shutdown, Safeguards Valve HP-20 Proved Inoperable.Caused by Binding of Torque Limit Switch.Switch Replaced & Tested Satisfactorily)
  • ML19312C482  + (Unusual Event 269/74-02:on 740510,main Steam Stop Valve Closure Time Was Slow During Testing.Caused by Orifices Installed to Prevent Fast Closure.Orifices Removed)
  • ML19317E165  + (Unusual Event 269/74-03:on 740513,standby Power Source Breaker Failed to Close During Test of Keowee Hydro Unit Automatic Start.Caused by Faulty Unit Control Module.Module Replaced)
  • ML19308B042  + (Unusual Event 269/74-04:on 740826,borated Water Storage Tank Not Sampled Due to Recirculating Pump Trouble.Personnel Instructed Re Procedures to Be Followed When Scheduled Sample Cannot Be Taken)
  • ML19308B051  + (Unusual Event 269/74-05:on 740823,during Unit Loss of Electrical Load,Acceptance Criteria Not Met & Reactor Tripped.Caused by High Reactor Coolant Pressure.Problem Being Studied.Design Mod Possible to Pressurizer Spray Valve)
  • ML19312C208  + (Unusual Event 269/75-09:on 751113,valves 1LP-17 & 1LP-18 Were Manually Inoperable During Surveillance Testing on Lpis.Caused by Improperly Set Torque Switch.Torque Switch Setting Adjusted & Valves Tested)
  • ML19316A600  + (Unusual Event 270/75-11:on 750728,high Energy Line Break Door Removed.Caused by Procedural Inadequacy.Unit 1 & 2 Doors Confused by Personnel Unfamiliar W/Auxiliary Bldg. Break Door Replaced.Mod Procedure Revised)
  • ML19316A606  + (Unusual Event 270/75-12:on 750725,quench Tank Level Instrumentation Failed.Caused by Partially Drained Upper Impulse Leg.No Explanation Found for Decreased Water Level. Impulse Lines Filled & Transmitters Calibr)
  • ML19316A611  + (Unusual Event 270/75-13:on 750731,one Train of Reactor Bldg Spray Removed from Svc.Caused by Insufficient Trainee Supervision.Proper Identification of Components Emphasized & Trainee Supervision Discussed W/Personnel)
  • ML19312C860  + (Unusual Event 270/75-14:on 750909,penetration Room Valve Leakage Exceeded Tech Specs.Caused By:Incompletely Closed Valve 2PR-5,dirty Valve 2PR Seating Surfaces & Faulty Gasket for 2PR-1.Valves Repaired & Gasket Replaced)
  • ML19312C868  + (Unusual Event 270/75-15:on 750911,incorrect Letdown Filter Vent Removed.Caused by Improper Identification of Filter Prior to Vent Removal.Filters Will Be Identified by Lettering Painted on Walls)
  • ML19312C875  + (Unusual Event 270/75-16:on 750919,instrument Air Lines to HPI Valves Inadvertently Isolated.Caused by Error in Tracing Filtered Water Sys for Isolation Valves.Procedures Defined to Assure Proper Identification of Air Sys Valves)
  • ML19312C886  + (Unusual Event 270/75-18:on 751024,reactor Bldg Electrical Penetration to 2B2 Reactor Coolant Pump,Failed.Caused by Cracked Bushing Allowing Gas to Escape.Bushing Replaced & Tested)
  • ML19317F383  + (Unusual Event 270/75-19:on 751031,valve 2LP-21 Failed to Close During RCS Fill.Caused by Loose Mounting Bolts on Valve Motor Operator.Motor on Valve 2LP-21 Replaced & Bolts Tightened & Lock Wired.Valves Checked for Loose Bolts)
  • ML19317F425  + (Unusual Event 270/75-20:on 751113,quench Tank Pumped Below Normal Operating Limits.Caused by Personnel Error.Low Level Alarm Misinterpreted for High Level Alarm & Quench Tank Pumping Continued.Personnel re-instructed in Procedure)
  • ML19317F438  + (Unusual Event 270/75-22:on 751226,LPIS Valves LP-17 & LP-18 Found Manually Inoperable.Caused by Maladjusted Torque Switch Setting.Setting Readjusted & Valve Brake Release Mechanism Repaired)
Retrieved from "https://kanterella.com/Special:SearchByProperty/:Title/Unusual-20Event-20-2D-20Unit-204-20Containment-20Isolation-20Failure-20Due-20to-20Bus-20Lockout"