Pages that link to "PNO-V-87-069, on 871015,licensee Informed Resident Inspectors of Findings from Ultrasonic Exams of Reactor Coolant Pump Shafts as Result of Mfg Experiences in Europe Re Crack Indicators at End of Impeller Keyway"
Jump to navigation
Jump to search
The following pages link to PNO-V-87-069, on 871015,licensee Informed Resident Inspectors of Findings from Ultrasonic Exams of Reactor Coolant Pump Shafts as Result of Mfg Experiences in Europe Re Crack Indicators at End of Impeller Keyway:
Displayed 50 items.
- PNO-V-85-068, on 851003,while Operating at 50% Power,Reactor Trip Occurred After Loss of Electric Power.Three Reactor Coolant Pumps Restarted by Resetting Pump Circuit Breaker Lockout Relays.Cause Under Investigation (← links)
- PNO-V-86-003, on 860109,during Full Power Turbine Trip Test Following Turbine Trip/Reactor Trip,Electrical Buses Which Supply Power to Reactor Coolant Pumps Failed to Transfer to Alternate Source.Restart Plans Unknown (← links)
- ML20137A895 (← links)
- PNO-V-85-076, on 851108,licensee Reported That Studs in RCS Line Stops a & B Did Not Meet Hardness Requirements.Relief from 10CFR50,App A,Gdc 4 Requested to Preclude Retorquing Studs (← links)
- PNO-V-85-058, on 850912,unusual Event Declared After Main Turbine Tripped During Load Rejection Test.Low Voltage Tripped Reactor Coolant Pumps.Overcooling RCS Caused Decrease in Safety Injection Setpoint (← links)
- ML20135A869 (← links)
- ML20135A856 (← links)
- ML20135A834 (← links)
- PNO-V-85-088, on 851216,ventilation Fan in Train a balance- of-plant ESFAS Auxiliary Relay Cabinet Tripped Off & Caused Cabinet to Overheat.Trip Resulted in Logic Cards Malfunctioning.Licensee Actions Under Review (← links)
- PNO-V-85-073, on 851029,13.8 Kv Bus SO3 Feeder Breaker to 13.8 Kv Bus SO1 Tripped Open on Generation of Electrical Fault,Damaging Portion of Bus Bar.Cause Unknown.Plant Entered Cold Shutdown.Investigation Continuing (← links)
- ML20138C107 (← links)
- ML20138B566 (← links)
- PNO-V-85-052, on 850805 & 08,breaker Power Switches on Control Element Drive Mechanism Panels Found Closed.Two 13.8 Kv Electrical Breaker Incidents Under Licensee Review to Determine If Tampering Involved (← links)
- PNO-V-85-072, on 851024,reactor Tripped from 80% Power During Scheduled Loss of Load Test.Cause Undetermined.Util Requested Assistance from C-E to Determine Cause of Trip & Cooldown of RCS (← links)
- PNO-V-85-069, on 851003 & 08,loss of Normal Electric Power Resulted in Reactor Trip.Caused by Switchyard Electrical Distribution Malfunction.Licensee Proceeding W/Design Change to hard-wire Control for Feeder Breakers (← links)
- ML20133F313 (← links)
- PNO-V-85-050, on 850726,while Preparing to Cool Down from 55-day Hot Functional Test Run,Alarm Received That Breaker Control Switch Operated W/O Authorization from Remote to Local Position.Cause Under Investigation (← links)
- PNO-V-85-059, updating PNO-V-85-058:on 850912,reactor Trip & Safety Injection Occurred.Caused by Open Atmospheric Dump Valve,Open Main Steam Line Low Point Drain Valves & Use of Auxiliary Feedwater Pump (← links)
- PNO-V-85-048, on 850724,licensee Determined That Plant Outage of Greater than 7 Days Expected to Repair Main Condenser. Caused by Damage to Two Condenser Tubes & Heater Drain Tank Inlet Shroud Due to Broken Condenser Baffle (← links)
- PNO-V-85-041, on 850708,during Preoperational Hot Functional Test,Auxiliary Spray,Atmospheric Dump & Other Valves Manipulated from Location Other than Control Room.Probably Caused by Manipulation from Remote Shutdown Panel (← links)
- PNO-V-85-043, on 850711,unidentified RCS Leakage of Approx 1.30 Gpm Discovered.Unusual Event Declared & Licensee Prepared to Shut Down Reactor.Search for Source of Leakage Continuing.Resident Inspectors Following Licensee Actions (← links)
- PNO-V-85-027, updates PNS-V-85-02 Re Arrest of Six Licensee & Contractor Employees for Offsite Drug Sales.On 850515,13 Addl Employees Suspended Pending Investigation.Course of Action Expected by 850520 (← links)
- ML20128C267 (← links)
- ML20127K858 (← links)
- ML20127K840 (← links)
- ML20127B096 (← links)
- ML20126E024 (← links)
- ML20126B903 (← links)
- PNO-V-89-017, on 890315,Palo Verde Unit 2 Initiated Voluntary Shutdown Due to Failures of Adv to Operate at Units 1 & 3.Unit 2 Will Remains in Mode 3 Until Advs Are Demonstrated to Be Operable (← links)
- ML20132D542 (← links)
- ML20132D538 (← links)
- PNO-V-88-015, on 880221,safety Injection & Containment Isolation Actuation Signals Received Due to Low Pressurizer Pressure Signal.Caused by Incorrect Bypass of Pressurizer Low Pressure Protection When Unit Entered Mode 5 (← links)
- PNO-V-93-016, on 930828,plant Restarted After Refueling Outage That Proceeded Tube Rupture Event on 930314.Cause of Tube Rupture Was Due to Intergranular Attack.Unit 3 Operating at 100% Power (← links)
- ML20196D639 (← links)
- 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 (← links)
- ML20195C188 (← links)
- ML20195C181 (← links)
- ML20155G133 (← links)
- ML20199F619 (← links)
- PNO-V-86-005, on 860618,technicians Performing Initial Sys Checks of Fire Detection Sys Discovered That Internal Wiring for at Least 1 of 18 Panels Modified,Causing Damage to Internal Components (← links)
- ML20199D745 (← links)
- PNO-V-90-001, on 891230,while at 12% Reactor Power W/Main Generator Sypplying Power to Grid Plants Unit 3 Phase a Main Transformer Experienced Internal Fault,Which Caused Immediate Trip of Main Generator Output Breakers (← links)
- PNO-V-87-023, on 870325,facility Granted Low Power Ol. Licensee Plans to Commence Fuel Load on 870327 (← links)
- IA-86-363, Partially Deleted Notice of Violation & Proposed Imposition of Civil Penalties in Amount of $100,000 Due to Security Violations (← links)
- ML20205M580 (← links)
- ML20205M510 (← links)
- ML20205E819 (← links)
- PNO-V-86-053, on 860805,Unit 2 Turbine Tripped.On 860806,loss of Startup Transformer X03 Caused Loss of Offsite Power Train to Both Units & Resulted in Reactor Trip.Caused by Leak in Main Feed Vent Valve V249 (← links)
- PNO-V-81-029, on 810522,block Mason Employed by Marley Co, Cooling Tower Contractor,Fell Approx 40 Ft from Scaffold to Floor Inside Cooling Tower C.Worker Pronounced Dead at Scene (← links)
- ML20203P947 (← links)