Pages that link to "PNO-V-86-030, on 860527,all Four Channels of Reactor Coolant Low Flow Reactor Trip Protection Declared Inoperable While Unit 1 at 100% Power & Unit 2 at 10E-3% Power.Caused by Misset Rate & Step Channels of Low Flow Trip"
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The following pages link to PNO-V-86-030, on 860527,all Four Channels of Reactor Coolant Low Flow Reactor Trip Protection Declared Inoperable While Unit 1 at 100% Power & Unit 2 at 10E-3% Power.Caused by Misset Rate & Step Channels of Low Flow Trip:
Displayed 20 items.
- PNO-V-87-072, on 871029 Severe Thunderstorm Struck Site, Knocking Out One Source of Offsite Power & 26 of 39 Emergency Sirens in Maricopa County.Unit 1 Fuel Bldg Door Damaged & Two Individuals Standing Nearby Injured (← links)
- PNO-V-87-070, on 871025,reactor Brought Critical Following Dilution of Rcs.Actual Critical Boron Concentration 1,010 Ppm W/Group 5 Control Bank 60 Inches Withdrawn.Resident Inspector Witnessed Approach (← links)
- PNO-V-89-007, on 890303,main Generator Tripped Followed by Reactor Power Cutback Due to Main Generator Trip & Reactor Trip on Low Steam Generator 2 Pressure.Increase in One Containment Sump Level Was Noted (← links)
- PNO-V-87-052, on 870715,loose Copper Windings on Rotor Pole on Train B Diesel Generator Discovered.Caused by Mfg,Parsons Peebles,Improper Application of Resin &/Or Poor Workmanship. Mfg Expected Onsite to Discuss Course of Action (← links)
- PNO-V-87-050, on 870704,LPSI Pump a Tripped from Motor Overcurrent Condition & Smoke Alarm Received.No Fire Occurred.Caused by Low & Contaminated Oil in Lower Oil Reservoir.Lpsi Motor a Will Be Replaced W/Listed Model (← links)
- PNO-V-87-049, on 870628,reactor Manually Shutdown from 100% Power as Result of Rupture in Train a Circulating Water Loop.Preliminary Insp Revealed Split Weld Seams in Several Places.Licensee Plans to Inspect Condenser Internals (← links)
- PNO-V-87-043, on 870605,discovered Through Wall Crack in Both 8R Cylinder Head & Piston Liner of Diesel Generator B.Cause Under Review.Piston Liner Replaced.Preparations Made to Install Spare Cylinder Head (← links)
- PNO-V-86-071, on 861006,reactor Tripped from 20% Power on Low Dnbr.Caused by Feedwater Perturbations.Safety Injection Activated.All Safety Sys Responded as Designed (← links)
- PNO-V-87-042, on 870604,reactor Trip Occurred Due to Low Steam Generator Level.Caused by Malfunction in Automatic Feedwater Control Sys During Sys Troubleshooting/Testing. Investigation Into Cause of Malfunction Ongoing (← links)
- PNO-V-87-032A, licensee Investigations Into Manner in Which Small Stones Introduced Into Hot Leg Side of Steam Generator 1 Determined That Stones Carried Into Generator During Erection of Work Platform.Tubes in Generators to Be Plugged (← links)
- PNO-V-87-012A, on 870208,emergency Diesel 2A Fire Occurred. Caused by Failure of Fuel Line Compression Fitting at Point Where Fuel Line Connected to Right Cylinder Fuel Injector 5. Fuel Line & Fitting Replaced (← links)
- ML20210U805 (← links)
- PNO-V-86-028, on 860525,while Reducing Power for Turbine Overspeed Trip Test,Operator Error in Controlling Feedwater Flow Caused Reactor Trip.Sys Restored to Normal Mode 3.On 860526 Sys Started & Entered Mode 1 (← links)
- PNO-V-87-012, on 870208,fire Discovered in Emergency Diesel Train A.Apparently Caused by Ignition of Diesel Fuel Leaking from Separated Compression Fitting in Fuel Injection Line. Fire Extinguished & Room Quarantined Pending Investigation (← links)
- PNO-V-86-021, on 860423,cut Wire Identified in ESF Relay Cabinet.Investigation Underway to Determine If Wire Cut Deliberately or Accidentally.Cabinet Not Yet Energized (← links)
- PNO-V-86-093A, notification of Util Determination of Cause of Crankcase Malfunction Which Occurred During Preoperational Testing of Train B Diesel Generator.Malfunction Result of Fatigue Cracking of Master Piston Rod 9 (← links)
- PNO-V-86-035, updates Review of Fire Protection Panel Miswiring & Closes Safeguards Action on PNS-V-86-005 & PNS-V-86-005A Concerning Suspected Attempted Sabotage/ Vandalism & 24,respectively (← links)
- PNO-V-93-009D, on 930325,leakage from Reactor Coolant Sys Occurred.Cause of Leak Not Determined (← links)
- PNO-V-86-037A, unit in Mode 5 Performing Replacement of Reactor Coolant Pump 2A & 2B Seals.Licensee Decided to Also Replace Pump 1A & 1B Seals as Preventive Measure.Plant Restart Projected for Latter Part of Wk (← links)
- PNO-V-93-014, on 930811,NRC Was Informed That APS Supervisor Declined to Hire Contract Employee Because Employee Raised Safety Concerns at Plant & Elsewhere.Judge Ruled APS Discriminated Against Employee (← links)