CY-98-296, Request for Amendment to Facility Operating License to Recapture Low-Power Testing Time
05000528/LER-1985-029, :on 850526,surveillance Procedure for Insp of Fire Door Performed 30 H & 22 Minutes After Previous Insp Rather than at Required 24 H Interval.Caused by Inability of Fire Watch to Gain Access to Doors
05000528/LER-1985-021, :on 850425,maint Performed in Containment While Fire Protection Header Isolated.Caused by Personnel Error. Tech Spec Rev Being Prepared to Clarify Requirements of Tech Spec 3.7.11.4
05000528/LER-1985-030, :on 850425,both ECCS Trains Declared Inoperable Due to Indeterminate Operability of Containment Recirculation Sump Isolation Check Valves.Caused by Failure to Retest Valves Following Disassembly
05000528/LER-1985-025, :on 850314,Train a HPSI Sys Used to Provide Required Boron Injection Flowpath W/Asme Section XI Surveillance Test Not Current on Train a Pump.Caused by Personnel Error.Mgt Directive Issued
05000528/LER-1985-037, :on 850429,particulate Filter Destroyed & Iodine Charcoal Filter Cartridge Saturated W/Water, Invalidating Grab Sampling Data.Caused by Excess Moisture from Condensation in Sample Lines
05000528/LER-1985-034, :on 850521,five Readings of Pressurizer Temp Not Recorded During Sys Cooldown.Caused by Operator Error. Operators Counseled on Surveillance Requirements & Reminded to Record Data Readings on Time
05000528/LER-1985-028, :on 850417,ESFAS 2 Out of 4 Coincidence Logic Actuated During Surveillance Test of Local Operability of Train B Class Electrical Sys.Caused by Battery Chargers B & D Not Properly Verified as Returned to Svc
05000528/LER-1985-022-01, :on 850413,automatic Actuation of Fuel Bldg Essential Ventilation Sys Occurred.Caused by Spurious High Radiation Alarm on Fuel Pool Area Radiation Monitoring Unit. Design of Grounding Being Evaluated
05000528/LER-1985-024, :on 850412,during Performance of Surveillance Procedure for Locked Fire Doors,Fire Doors on List Discovered Unlocked.Caused by Procedural Error.Procedure Revised to Include Correct Doors
05000528/LER-1985-036, :on 850520,improper Sample Lineup for Sample Cart Occurred After Noble Gas Grab Sample Taken by Contractor Technician.Correct Sample Lineup Reestablished. Contractor Technician Retrained
05000528/LER-1985-032, :on 850423,discovered Particulate & Charcoal Sampling Media in Fuel Bldg Ventilation Monitor W/Sample Flow Routed Through Alternate Collection Chamber.Caused by Personnel Error.Technician Counseled
05000528/LER-1985-033, :on 850508,inadvertent Actuation of Control Room Essential Filtration & Containment Purge Isolation Occurred.Caused by Reenergizing Remote Indication & Control Unit for RU-38.Personnel Counseled
05000528/LER-1985-026, :on 850329,diesel Generator B Failed to Attain Required Frequency.Start Failure Third in Five Valid Tests. Caused by Test Performance Error & Not Actual Diesel Generator Failure
05000528/LER-1985-002, :on 850113,loss of Open Indication & Closing Circuit Power Occurred on Spray Pump Pond Train A.Caused by Metal Washer Left from Const Phase Shorting Out Type 752A Relay.Problem Corrected
05000528/LER-1985-016, :from 850323-0415,hourly Fire Patrols Not Conducted Per Tech Spec 3.7.12.Caused by Personnel Disregard for Responsibilities.Personnel Fired &/Or Replaced W/Station Staff & Logs & Monitoring Improved
05000528/LER-1985-017, :on 850405,Trains a & B of balance-of-plant ESFAS Automatically Tripped.Caused by Inadvertent High Output When Radiation Monitor Reenergized.Sys Module Will Be Put in Bypass
05000528/LER-1985-023, :on 850406,inadvertent Actuation of ESF Sys Occurred During Electrical Surveillance Test.Caused by Technician Mistakenly Opening Breaker Not Specified in Procedure.Personnel Reinstructed
05000528/LER-1985-009, :on 850321,inadvertent Reactor Trip Occurred. Caused by Personnel Error Associated W/Procedural Deficiency.Procedure Change Notice Written
05000528/LER-1985-018, :on 850305,diesel Generator a Failed to Attain Required Voltage Frequency & Determined Inoperable.On 850308,diesel Generator B Declared Inoperable.Caused by Invalid Surveillance Test.Test Modified
05000528/LER-1985-015, :on 850312,Tech Spec Surveillance Requirement Not Completed within Required Interval.Caused by Personnel Error Involving Scheduling of Surveillance Test Procedure. Effective Scheduling Coordination Implemented
05000528/LER-1985-010-01, :on 850225,balance-of-plant ESF Sys Actuated. Caused by Transfer of Train a Sequencer from Auto to Manual Mode,Causing cross-trip to Train B.Train a & B Cabinets Reset & Sys Returned to Normal
05000528/LER-1985-014, :on 850302,cross Trips of Train B balance-of-plant ESF Actuation Sys Occurred.Caused by Dc Backup Power Supply in Train a Being Out of Svc.Procedure Change Notice Developed
05000528/LER-1985-013, :on 850223,Train B Diesel Generator Started Inadvertently During Routine Surveillance Testing.Caused by Error in Surveillance Procedure for Testing Certain Subgroup Relay Contacts.Change Notice Issued
05000528/LER-1985-010, :on 850222,automatic Actuation of balance-of- Plant ESF Actuation Sys Occurred When Placing Train a Sequencer in Manual from Automatic Mode.Caused by Unique Circumstances Involving flip-flop U-14
05000528/LER-1985-006, :on 850131,bus Feeder Breaker S05 from Startup Transformer X03,1E-NAN-S05B,tripped While Tagging Out Control Circuit Fuses in Breaker Cubicle.Caused by Operator Accidently Hitting Breaker Control Switch
NUREG-1111, Environ Protection Plan (Nonradiological) to License NPF-34. App a Tech Specs (NUREG-1111) Encl
NUREG-0857, Supplement No. 8 Safety Evaluate on Report Related to the Operation of Palo Verde Nuclear Generating Station, Units 1, 2, and 3
05000528/LER-1985-031, :on 850417,control Room Essential Filtration Actuation Signal Occurred.Caused by Spurious High Radiation Alarm.High Radiation Trip Setpoint Raised to New Tech Spec Limit
05000528/LER-1985-022, :on 850402,during Performance of Retesting Per Contractor Work Order (Cwo) 81614,inadvertent Start of Diesel Generator B Occurred.Caused by Energizing of 4EX1 Relay Due to Sneak Circuit.Cwo Amended