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Showing below up to 50 results in range #1 to #50.
- (Adm) Steven Savoy
- (Ogc) Steven Savoy
- (Res) Tom Boyce
- (Schwartzman) Jennifer Holzman
- 000Green/FIN-FINDING
- 000Green/FIN-NCV
- 000Green/FIN-VIOLATION
- 05000000/LER-1950-237, Updated LER 50-237/01L:on 760406,unacceptable Ultrasonic Indication Found on Isolation Condenser safe-end.Caused by Cracks in safe-ends.Cracked safe-end Removed & Sent to Bmcl for Metallographic Analysis
- 05000000/LER-1950-266-75, /75-18:on 751217,during Cycle 3-4 Refueling, Discovered Section of Fuel Rod Missing.Caused by Water Impingement Through Baffle Plate While Failed Assembly in Cycle 2 Position H-1.Investigation in Progress
- 05000000/LER-1950-266-76, /76-12:on 761222,wall Cladding Defects Noted in One Rod of Fuel Assembly G07.Caused by Rod Vibrating Against Rod Retaining Grid Springs.Peening of Core Baffle Plate Joints,Completed in Nov 1976,should Prevent Recurrence
- 05000000/LER-1975-005, :on 750127,analysis of Reactor Bldg Vent & Main Stack Charcoal & Particulate Filters Revealed Release Rates of Halogens & Particulates w/half-lives Greater than 8 Days, Exceeding Tech Spec Limits by 24%
- 05000000/LER-1975-014, :on 750519,analysis of Reactor Bldg Vent & Main Stack Charcoal & Particulate Filters for Wk of 750513-20 Revealed Release Rates of Halogens & Particulates Exceeding Tech Spec Limits by 23%
- 05000000/LER-1976-010-03, /03L:on 760723,during Start Testing of Emergency Diesel Generator 1,water Detected in Cylinder 7.Caused by Crack in Cylinder Head.Engine Repaired by Replacing Cylinder Head & Head Gasket
- 05000000/LER-1976-014, Circulator 1B Tripped on Loss of Bearing Water Due to Apparent Decrease of Bearing Water Cavity Differential Pressure.Cause Unidentified
- 05000000/LER-1976-014-03, /3L:on 760907,high Vibration at Tube Tension Assembly Detected on 13 of 16 Svc Water Pumps.Caused by Loose Bolts & Galvanic Corrosion at Column Pipe Flanges. Pumps Replaced
- 05000000/LER-1976-018-03, /03L-0:on 760522,snubber 4439 RHR Sys to Fuel Pool Sys Cross Tie Line Found to Have Empty Oil Reservoir Due to Leaking Reservoir Shaft Seal.Caused by Equipment Failure.Snubber Internals replaced.W/760621 Forwarding Ltr
- 05000000/LER-1977-005, Updated LER 77-005/1T:on 770114,failure of High Pressure Svc Water/Emergency Svc Water & Emergency Cooling Water Pumps to Meet FSAR Seismic Requirements Noted.Caused by Change in Calculation Techniques
- 05000000/LER-1977-005-01, /1P:on 770114,failure of High Pressure Svc Water/Emergency Svc Water & Emergency Cooling Water Pumps to Meet FSAR Seismic Requirements Noted.Caused by Change in Calculational Techniques.Bolts/Restraints to Be Added
- 05000000/LER-1977-012, :on 770620,during Investigation of Cycle 5 Max Critical Power Ratio Limits,Ge Found That Pump Trip Delay Time Assumed in Original Cycle 5 Transient Analysis Not Appropriate.Amend Request Will Be Submitted
- 05000000/LER-1977-020-03, /03L:on 770404,RCS Leakage Determined to Be Greater than 10 Gpm.Caused by Packing Leakage Past Stems on RTD Bypass Throttle Valves 13RC20 & 14RC20.Valves Placed on Backseat & Stem Leakage Decreased
- 05000000/LER-1977-038-03, /03L:on 770519,RCS Leakage Determined to Be Greater than 10 Gpm from Stem Leakoff on Manual Isolation Valves 1PS24 & 1PS28 for Pressurizer Spray Valves.Caused by Packing Leakage.Valves Will Be Repacked at Next Outage
- 05000000/LER-1977-040, Forwards LER 77-040/01T
- 05000000/LER-1977-040-01, /01T:on 771213,two Hydrogen Detonations Occurred in Offgas Sys & Stack Base,Resulting in Momentary Radioactive Release & Injury to One Employee.Initial Detonation Caused by Arc Strike on Instrument Tubing
- 05000000/LER-1977-043, Forwards LER 77-043/03L-0.Detailed Event Analysis Encl
- 05000000/LER-1977-043-03, /03L-0:on 771219,stack Gas Monitor Sample Probes & Mounting Beam Discovered Damaged.Caused by 771213 Stack Base Hydrogen Detonation.Monitor Probes & Support Beam Replaced & Sys Operation Restored on 771223
- 05000000/LER-1982-023-03, /03L-0:on 821121,containment Pressure Sensing Line Found Capped.Caused by Personnel Error.Units Will Be Labeled
- 05000000/LER-1982-026-03, /03L-0:on 821115,turbine Driven Auxiliary Feedwater Pump 11 Failed to Deliver Full Flow of 200 Gpm to Steam Generators.Caused by Unscrewed Governor Valve.Valve Seat Reinstalled & Staked in Position
- 05000000/LER-1982-094-03, /03L-0:on 820815,reactor Coolant Hot Leg Sample Trip Valves TV-SS-106A & B Failed to Close After Chemists Completed Taking RCS Sample.Cause Not Determined.Manual Isolation Valve 1-SS-116 Closed
- 05000000/LER-1982-152-03, /03L-0:on 821121,condenser Evacuation Sys Radiation Monitor Declared Inoperable Due to Loss of Process Flow.Caused by Faulty Velocity Probe Associated W/Monitor.Probe Replaced & Monitor Returned to Svc
- 05000000/LER-1983-001-01, /01T-0:on 830204,Exxon ECCS Analysis Error Discovered.Caused by Input Error Into Codes
- 05000000/LER-1983-002-01, /01T-0:on 830405,spent Fuel Assembly X-13 Dropped Back Into Rack from Fully Lifted Position.Caused by Cable Stress Due to Limit Switch Failure.Insp for Cladding Damage Will Be Conducted
- 05000000/LER-1983-002-03, /03L-0:on 830307,safety-related Shock Suppressor Safety Injection Sys 134 Removed to Accommodate Maint on Control Element Drive Mechanism & Not Replaced within 72 H After Core Reloading Begun.Snubber Replaced
- 05000000/LER-1983-007-03, /03L-0:on 830330,steam Line Radiation Monitors Discovered Inoperable.Monitors Repaired & Surveillance Procedure Revised to Include Daily Check
- 05000000/LER-1983-008-03, /03L-0:on 830410,right Hand Stop Valve Failed. Caused by Separation of Valve Disc from Clapper Arm Disc. Valve Repaired & Will Be Replaced at Next Refueling Outage. Left Hand Stop Valve Also Inspected
- 05000000/LER-1983-011-03, /03L-0:on 830510,diesel Generator D2 Tripped. Caused by Drift in Dryer Pressure Switch Model 1822.1. Switch Recalibr
- 05000000/LER-1983-034-03, /03L-0:on 830419,Fire Door S71-18,between Emergency Diesel Room 2H & Turbine Bldg,Would Not Latch. Caused by Latch Sticking.Latch Lubricated
- 05000000/LER-1984-002, :Since 840107,several Instances of Reactor Protection Sys Bus Breaker Trips Resulted in Loss of Shutdown Cooling.Trip on 840119 Caused by Failure of Circuit Board
- 05000000/LER-1984-010, :on 840210,reactor Protection Sys Motor Generator Set Output Breaker B Tripped While Transferring Power from Alternate Supply.Caused by Voltage Transient. Design Change Being Considered
- 05000000/LER-1986-001, Partially Deleted LER 86-001-00:on 860105,loss of Dynamic Reporting of Vital Door Activity Occurred.Cause & Corrective Action Completely Deleted
- 05000000/LER-1986-002, Partially Deleted LER 86-002-00:on 860117,loss of Alarm Surveillance on Doors Occurred.Caused by Erroneously Listing Officer as Being Posted on Door 398.Processing of Rev to Physical Security Plan Initiated
- 05000000/LER-1986-003, Partially Deleted LER 86-003-00:on 860125,loss of Dynamic Reporting of Vital Area Door Activity Occurred.Caused by Equipment Malfunction.Corrective Action Withheld
- 05000000/LER-1986-004, Partially Deleted LER 86-004-00:on 860204,loss of Dynamic Reporting of Alarm Surveillance Occurred.Caused by Malfunction.Computer Svcs Personnel Will Monitor Sys for Indicators as to Cause
- 05000000/LER-1986-005-03, Informs of Planned Site Visit to Obtain Info Supporting Implementation of Emergency Response Data Sys,Including Availability of PWR or BWR Parameters in Digital Form & Characterization of Available Data Feed Points
- 05000000/LER-1986-006, :on 860220,control Room Ventilation Isolation Signal Manually Initiated Per Tech Spec 3.3.3.1 Due to Inoperability of Control Room Intake Radiation Monitor. Caused by Improper Placement Following Maint
- 05000000/LER-1986-007, Partially Deleted LER 86-007-00:on 860218,loss of Alarm Surveillance Occurred.Caused by Water Leaking Into Cable During Heavy Rain.Situation Will Be Evaluated for Addl Action
- 05000000/LER-1986-008, Forwards LER 86-008-00
- 05000000/LER-1986-008-01, :on 860414,not All Required Valves Listed in Valve Position Verification Surveillances.Caused by Difference of Opinion Re Valves.Discrepancies Corrected
- 05000000/LER-1986-008-02, :on 860917,equipment Hatch Discovered Open.Fire Watch Not Posted as Required by Tech Spec 3.7.11.a.Caused by Personnel Error.Roving Fire Watch Established & Personnel Counseled
- 05000000/LER-1986-009, Ro:On 860312,discovered That LER 2-86-04 & LER 86-009 Not Submitted to Nrc.Caused by Misplaced Repts.Repts Telecopied to Nrc.Procedure for Distribution of Repts Revised
- 05000000/LER-1986-011, Partially Deleted LER 86-011-00:on 860410,vital Area Intrusion Alarm Failure Occurred.Cause of Event Deleted. Alarm & Door Tested Satisfactorily