Pages that link to "NRC Form 308"
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The following pages link to NRC Form 308:
Displayed 50 items.
- ML20148D027 (← links)
- ML20198F281 (← links)
- ML20214P296 (← links)
- ML20246E620 (← links)
- ML20236S564 (← links)
- ML20210F084 (← links)
- 05000317/LER-1988-014, :on 881029,while Performing Surveillance Test Procedure to reverse-flow Test Check valves,MS-103 Leaked By.Caused by Excessive Cycling Due to leak-by of MS-102. Check Valve MS-103 Replaced W/Identical Valve (← links)
- 05000259/LER-1998-001-03, :on 980414,standby Gas Treatment Sys HEPA Filter Testing Was Not in Compliance W/Ansi Std Requirements.Caused by Lack of Understanding of DOP Testing. Filter Testing Training Will Be Provided (← links)
- 05000311/LER-1989-006-02, :on 890329,reactor Trip Signal on Steam Generator 21 Occurred After Shutdown for Compliance W/Tech Spec Action Statement 3.7.7.b.Caused by Equipment Problems. Channel I Transmitter Recalibr (← links)
- 05000416/LER-1989-001, :on 890327,power Interruption to ESF Bus Caused Secondary Containment Isolation.Div 1 Bus Connected to ESF Transformer 12 to Provide Div 1 & 2 Buses W/Independent Power Sources (← links)
- 05000382/LER-1998-017, :on 980803,calculated Peak Clad Temp Exceeded 10CFR50.46 Criteria.Caused by Energy Redistributed Factor Error.Incorporated 0.2kw/ft Penalty for Plhgr Into Colss,Per Wa 01162252 (← links)
- 05000483/LER-1987-004, :on 870404,while in Mode 5 Cold Shutdown, Release of Primary Coolant to Containment Environ Occurred. Caused by Inadequate Spec of Type of Connection to Be Used Between Pressurizer & Pressurizer Relief Tank (← links)
- 05000306/LER-1986-004, :on 860801,electrician Opened Switch for Circuit 2 on Dc Panel 21 to Isolate Ground to Single Circuit,Causing Auxiliary Feedwater Pump to Start.Caused by Personnel Error.Personnel Counseled (← links)
- 05000213/LER-1986-028-01, :on 860610,switchgear Room Halon Sys Declared Inoperable.Caused by Failure to Perform Adequate Retest. Completion of long-term Corrective Mod Deferred Until 1987 Refueling Outage (← links)
- 05000327/LER-1986-024, :on 860525,security Micro Access Computer Malfunctioned,Locking All Security Access Doors.Caused by Complete Loss of Access Memory.Backup Battery Replaced & Disk Drive Unit Cleaned (← links)
- 05000483/LER-1986-035, :on 860928,containment Purge & Control Room Ventilation Isolation Occurred After Monitor GT-RE-32 Taken Out of Bypass.Caused by Random Fluctuations of Radioactivity Level.Plant Procedures Revised (← links)
- 05000382/LER-1987-003, :on 870122,radiation Monitor Alarmed Due to Contaminated Instrument & Controls (I&C) Technician.Caused by Health Physics Technician Improperly Downgrading Work Permit Requirements.I&C Technician Retrained (← links)
- 05000374/LER-1986-009-05, :on 860511,w/synchronization to Grid at 15% Power,Primary Containment Isolation Sys Group I Isolation Occurred.Caused by Main Steam Line High Flow Signal.Main Steam Line Piping Walked Down.No Leaks Found (← links)
- 05000263/LER-1986-010, :on 860508,reactor Bldg Ventilation Isolation & Standby Gas Treatment Sys Initiation Occurred.Caused by Reactor Bldg Vent wide-range Gas Monitor Trip Due to Hardware/Software Problems (← links)
- 05000220/LER-1986-006, :on 860409,discovered That One of four-inch Sample Lines to Header Completely Plugged.Caused by Pebbles Washed Off Reactor Bldg Into Roof Drains.Roof Drain Screens Will Be Installed (← links)
- 05000366/LER-1986-018-01, :on 860810,RWCU Sys Isolated on High Differential Flow Signal.Caused by RWCU Resin Trap Not Being Filled & Vented Prior to Placing Sys in Svc or Resin Trap Isolation Valves Being Open.Procedure Modified (← links)
- 05000263/LER-1986-020, :on 860619,reactor Protection Sys (RPS) & Group II Tripped from Loss of Power.Caused by RPS-B Power Supply Being Fed from Alternate Power Source as Same Load Ctr Source as RPS-A (← links)
- 05000324/LER-1987-004-02, :on 870311,reactor Scram on Low Level Due to Loss of Uninteruptible Power Supply & Subsequent Loss of Feedwater.Caused by Noncompliance W/Procedure to Transfer Power.Motor Replaced & Sys Returned to Normal (← links)
- 05000286/LER-1986-005-01, :on 860523,turbine Trip Occurred During Monthly Surveillance Test 3PT-M12.Caused by Failed Relay in Turbine Independent Electrical Overspeed Protection Sys (Ieops). Relay Replaced & Similar Ieops Relays Tested (← links)
- 05000327/LER-1986-010-01, :on 860406,fuse Inadvertently Dislodged, Starting Diesel Generators 1A-A & 2A-A.Caused When Assistant Unit Operator Attempted to Verify Fuse Size.Procedure Will Be Revised to Add Caution Re Fuse Removal (← links)
- 05000220/LER-1986-005, :on 860402,during Shutdown for Refueling,Full Scram Experienced.Caused by Loss of Power to Reactor Protection Sys Bus II Due to Deenergization of Brown Boveri ITE-27 Relay.Relay Repaired or Replaced (← links)
- 05000315/LER-1986-014-01, :on 860628,surveillance Testing Not Performed to Meet Requirements of Tech Spec 4.5.2.d.1 to Verify Interlock Action of RHR from Rcs.Caused by Personnel Error. Procedures Written to Ensure Compliance (← links)
- 05000346/LER-1986-025, :on 860701,review of Tech Spec 3.3.3.8 Revealed Four Differences Between Installed Fire Detection Zones & Operability Requirements.Caused by Personnel Error.Fire Watch Established (← links)
- 05000247/LER-1986-007, :on 860307,plant Heated Above 200 F Although Listed Transmitters Not Resealed,Per Environ Qualification Requirements.Caused by Not Recognizing Environ Status Should Have Been Restored.Procedures Reviewed (← links)
- 05000263/LER-1986-016, :on 860611,both Squib Valve Detonators Shorted After Firing & Control Power Transformer Fuse Blew,Causing Pump Motor Trip.Caused by Improper Fuse Coordination.Fuse Coordination Corrected (← links)
- 05000261/LER-1986-008-02, :on 860307,determined That Test Procedure Omits Exercising Station Blackout Relays in Automatic Feedwater Pump Logic.Cause Unknown.Procedure OST-162 Will Be Revised to Ensure Components Tested (← links)
- 05000302/LER-1997-043, :on 971208,deficiency in Electrical Design Criteria Resulted in Control Complex Chiller Motor Trip Set Point Set Below Full Load Ampere Setting,Was Discovered. Caused by Lack of Effective Cap.Established Improved CAP (← links)
- 05000321/LER-1986-017, :on 860415,LPCI Outboard Primary Containment Isolation Valve Isolated Causing Shutdown Cooling Capability Loss.Caused by Blown Fuses from Inadvertent Short of Relay Contacts Due to Personnel Error.Valve Reopened (← links)
- 05000316/LER-1986-002, :on 860122,discovered That 4 H Surveillance Frequency Exceeded on Four Occasions Between 851023-26.Cause Attributed to Lack of Procedural Control.Procedural Requirements Implemented (← links)
- 05000324/LER-1985-011, :on 851015,reactor Pressure Spiked & Unit Auto Scrammed on High Power When MSIV B21-FO22a Auto Closed. Caused by Failure of three-way Solenoid Valve Assembly.Valve Assembly Replaced (← links)
- 05000321/LER-1985-047, :on 851220,use of GE Silicone Sealant (RTV-102) on Both Drywell Personnel Airlock Doors Prevented Adequate Leak Rate Testing of Door Seals.Caused by Personnel Error. New Seals Installed (← links)
- 05000237/LER-1986-004-05, :on 860217-20,core Thermal Power Limit Violated for 41 H.Caused by Reactor Feedpump 2C Flow Transmitter Out of Calibr.Work Request Issued to Install Protective Barrier Around Transmitter (← links)
- 05000382/LER-1985-044, :on 851010,uncomplicated Reactor Trip Occurred. Caused by High Water Level in Steam Generator 2 When Control Board Operator Increased Feedwater Flow to Steam Generators. New Guidelines Issued (← links)
- 05000369/LER-1985-036-01, :on 851119,reactor Tripped Due to Feedwater Pump Turbine Trip on High Discharge Pressure.Caused by Rod Control Sys Not Lowering Power Enough During Turbine Runback.Failed Fuse Will Be Replaced (← links)
- 05000333/LER-1996-010, :on 960916,plant Was Shut Down Re Inadvertent Connection of Two Terminals While Calibrating Protective Relay Due to Human Error.Personnel Responsible for Initiating Event Have Been Counseled (← links)
- 05000387/LER-1985-023, :on 850611,manual Isolation Valve 141005 Found Open.Caused by Inability to Perform Required Surveillance Testing on Excess Flow Check Valve XV-141F009.Procedures Revised (← links)
- 05000370/LER-1985-024-02, :on 851014,gradual Decrease in Indicated Value of full-power delta-T Identified.Caused by Change in Hot Leg Temp Streaming Pattern Supplying Coolant Samples to Temp Sensors.Calibr Procedure Developed (← links)
- 05000275/LER-1985-024, :on 850712,temporary Change to safety-related Procedures Not Reviewed by Plant Staff Review Committee & Approved within 14 Day Tech Spec Time Limit.Caused by Change in Processing Procedure (← links)
- 05000293/LER-1997-001, :on 970120,very Small Quantity of Unaccountable Special Nuclear Material Was Identifed Due to Less than Effective Methods for Control & Accounting of Devices. Procedures Revised (← links)
- 05000295/LER-1985-016-05, :on 850731,operator Accidentally Tripped Over & Broke Off Control Air Line to Fire Protection Containment Isolation Valve 1FCV-FP08.Broken Air Line Repaired & Valve Returned to Position (← links)
- 05000397/LER-1985-052, :on 850801,discovered Procedure Deviation Issued on 850608 Incorrectly Changed Containment Isolation Valve Closure Time.Procedure Mod Issued (← links)
- 05000213/LER-1985-018, :on 850725,fire Door from Svc Bldg to Diesel Generator a Room Inoperable Due to Security Hardware Repairs.Fire Watch Not Posted Due to Confusion Over Operability Requirements of Fire Doors (← links)
- 05000318/LER-1985-008-01, :on 850724,MSIV Failed to Fully Close & Declared Inoperable.Caused by Oil Deficiency Due to Gas Bubble in Hydraulic Fluid Header & Addl Component Malfunctions.Suppressor Bladders Replaced (← links)
- 05000327/LER-1984-045, :on 840625,auxiliary Control Air Compressor A-A Taken Out of Svc.On 840709,compressor B-B Removed from Svc. Power Reduction to Mode 3 Initiated But Stopped When Compressor B-B Returned to Svc (← links)
- 05000304/LER-1985-013-07, :on 850707,steam Generator Blowdown Radiation Monitor 2RE0019 High Alarmed,Causing Isolation of Blowdown. Notice Issued to Operating Dept Reiterating Proper Procedures (← links)