Pages that link to "05000281/LER-1981-010, Forwards LER 81-010/03L-0"
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The following pages link to 05000281/LER-1981-010, Forwards LER 81-010/03L-0:
Displayed 50 items.
- ML18139B139 (redirect page) (← links)
- ML18139B140 (← links)
- 05000281/LER-1981-075, Forwards LER 81-075/03L-0 (← links)
- 05000280/LER-1981-081, /03L-0:on 820121,during Research for LER 81-081/03L-0,found That Original Vacuum Pumps Were Replaced W/Pumps That Failed to Meet Required Seismic Qualifications. Study of Present Pumps Completed.Assistance Request Issued (← links)
- 05000281/LER-1981-074-03, Higher than Normal Activity Detected in Storm Drain Sys.Caused by Leaks from Stripper Feed Steam Heater Due to Failure of Heater Drain Receiver & Pumps to Prevent Overflow.Tubes Plugged (← links)
- 05000281/LER-1981-052-03, Valve MOV-SW-202A Failed to Close Due to Grounded Motor.Grounding Caused by Flooding in Sump.Motor Replaced (← links)
- 05000280/LER-1981-072-03, /03L-0:on 811125 & 26,specific Activity Sample of RCS Indicated Dose Equivalent I-131 Levels Greater That Tech Spec Limit.Caused by Fuel Element Defect in Reactor Core. Accelerated Sampling Frequency Implemented (← links)
- 05000280/LER-1981-070-03, /03L-0:on 811125,during Investigation of Deviation Involving Fire Protection Sys,Discovered That Fire Hydrant Isolation Valve 1-FP-127 Had Not Been Position Verified Monthly.Caused by Administrative error.PT-24.7 Revised (← links)
- 05000280/LER-1981-069-03, /03L-0:on 811114,w/unit at Cold Shutdown for Refueling & Three Loops Isolated & Drained,Rhr Pump B Was Removed from Svc Due to High Bearing Temp.Caused by Lack of Lubrication to Motor Upper Thrust Bearing.Assembly Replaced (← links)
- 05000280/LER-1981-028-03, /03L-0:on 810711,liquid Waste Tank 1-LW-TK-11B Inadvertently Released W/O Being Sampled.Caused by Discharge Valve Being Partially Opened.Release Terminated & Sample Taken.Activity within Allowable Limits (← links)
- 05000281/LER-1981-042-03, /03L-0:on 810719,containment Spray Chemical Addition Tank (Cat) Level Found Below Tech Specs.Caused by Leaking Valve MOV-CS-202B.Valve Scheduled for Repair During Next Outage.Tank Level Restored (← links)
- 05000280/LER-1981-029-03, /03L-0:on 810808,while at 100% Power,Individual Rod Position Indicator for Rod F.12 Indicated Erratically & 12 Steps Less than Bank Demand Position.Caused by Poor Electrical Connection Between Coil & Signal Module (← links)
- 05000280/LER-1981-022-03, /03L-0:on 810703,low Flow Alarm Observed for Process Vent Sys.Caused by Process Blower Motors Out of Svc Due to Valve 1-CM-21 Leaking Through to Vent Piping During Attempt to Drain Mixed Bed Demineralizer 1A for Resin Fill (← links)
- 05000280/LER-1981-027-03, /03L-0:on 810726,PT-27 Revealed Low Current Readings for Circuit 30,Panels 8 & 9 (Boron Injection Tank Recirculation Line),Rendering Both Channels of Heat Tracing Inoperable.Caused by Boric Acid build-up on Tracing Tapes (← links)
- 05000280/LER-1981-006-03, /03L-0:on 810306,alarm Setpoint for Component Cooling Water Radiation Monitor RM-CC-106 Found to Be Greater than Twice Background.Caused by Instrument Drift. Monitor Reset to Proper Setpoint & Returned to Svc (← links)
- 05000280/LER-1981-005-03, /03L-0:on 810301,radiation Monitor Recorder RR-175 Found Printing Erratically.Caused by Dirty Slidewire Resistor in Circuit That Controls Positioning of Printing Device.Resistor Cleaned & Recorder Returned to Svc (← links)
- 05000281/LER-1981-075-03, /03L-0:on 811108,main Steam Trip Valve for B Steam Generator Would Not Respond to Train a Consequence Limiting Safeguards Actuation.Cause Not Positively Identified,But SOV Suspected.Sov to Be Replaced (← links)
- 05000280/LER-1981-047-03, Following Reactor Trip & While Returning to Power,Specific Activity of RCS Indicated Dose Equivalent I-131 Level Greater than Tech Spec Limit. Caused by Fuel Element Defect in Reactor Core (← links)
- 05000281/LER-1981-083-03, /03L-0:on 811231,steam Flow Instruments FI-474 on a Main Stream Line & FI-485 on B Main Stream Line Found Isolated.Caused by Instruments Inadvertently Left Isolated Until Discovery During Startup (← links)
- 05000281/LER-1981-081-03, /03L-0:on 811229,containment Isolation Valve, 2-VA-1,found Unlocked,Open & Unattended.Caused by Supervisor Failing to Recognize That Valve Had Been Opened to Allow Venting of C Loop.Valve Closed & Locked (← links)
- 05000280/LER-1981-083-03, /03L-0:on 811223,at 100% Power,Sliding Fire Door Between Units 1 & 2 Emergency Switchgear Rooms Found Partially Open & Unattended.Caused by Disconnected Counterweight;Intact Weight Acted to Partially Open Door (← links)
- 05000280/LER-1981-082-03, /03L-0:on 811231,during Biweekly Control Rod Assembly Partial Movements Test PT-6,rod J-9 Found Inoperable.Caused by Failure of Connector Pin in Lift Coil Wiring to Make Electrical Contact.Pin Pulled Up & Locked (← links)
- 05000280/LER-1981-081-03, /03L-0:on 811222,both Containment Vacuum Pumps Were Inoperable.Caused by Sliding Vanes in Pump Rotor Binding in Guide Slots.One Pump Replaced & Other Repaired (← links)
- 05000280/LER-1981-080-03, /03L-0:on 811221,w/unit at 99% power,PT-27 Revealed That Amp Readings for Heat Tracing Panel 8,circuit 13A Were Below Tech Spec Limit.Caused by Excessive Heat. Defective Heat Tracing Tape Replaced (← links)
- 05000280/LER-1981-080, Forwards LER 81-080/03L-0 (← links)
- 05000280/LER-1981-079-03, /03L-0:on 811218,only Three Reactor Coolant Samples Taken within 1-wk Period for Chlorine,Fluorine & Oxygen Analysis.Caused by Performance of Type a Testing. Samples Taken Immediately After Type a Testing Completion (← links)
- 05000280/LER-1981-077-03, /03L-0:on 811204,while Performing Periodic Test 18.6C,MOV-1867A Would Not Cycle When Operated from Control Room.Cause Not Stated (← links)
- 05000280/LER-1981-076-03, /03L-0:on 811206,w/both Units at Cold Shutdown, Fuel Level in Diesel Fire Pump Fuel Tank Was Found to Be 215 Gallons,Below Tech Spec Limit.Caused by Administrative Oversite.Personnel Reinstructed (← links)
- 05000280/LER-1981-071-03, /03L-0:on 811216,following Reactor Trip,Specific Activity Samples of RCS Indicated Dose Equivalent I-131 Levels Greater than Tech Spec Limit.Caused by Fuel Element Defect in Reactor Core.Sampling Frequency to Be Increased (← links)
- 05000280/LER-1981-078-03, /03L-0:on 811206,MOV-LCV-1115E Failed to Respond Properly to Train B Safety Injection Signal.Caused by Improper Wiring Connection Preventing Closing Signal from Reaching Valve.Wiring Corrected (← links)
- 05000280/LER-1981-075-03, /03L-0:on 811128,sump Containing MOV-SW-102A Found W/High Water Level Resulting in Motor Ground.Cause Not Stated.Valve Closed,Motor Removed,Dried & Replaced (← links)
- 05000280/LER-1981-074-03, /03L-0:on 811126 & 1201,alarm Setpoints for Component Cooling Radiation Monitors RM-CC-105 & 106 Exceeded Tech Spec Limit.Caused by Fluctuations in Component Cooling Activity.Setpoints Reset (← links)
- 05000280/LER-1981-079, Forwards LERs 81-070/03L-0,81-074/03L-0,81-078/03L-0 for Unit 2 & LER 81-079/03L-0 for Unit 1 (← links)
- 05000280/LER-1981-067-03, /03L-0:on 811111,trip Valve TV-CC-109B (Component Cooling Isolation) Failed to Close Remotely from Control Room.Caused by Hole in Diaphragm Due to Normal Wear.Entire Positioner Replaced (← links)
- 05000281/LER-1981-076-03, /03L-0:on 811108,recirculation Spray Heat Exchangers Svc Water Valve MOV-SW-203C Failed in Intermediate Position.Cause Not Determined.Valve Inspected Mechanically & Electrically (← links)
- 05000281/LER-1981-071-03, /03L-0:on 811107,setpoints of 2 Main Steam Safety Valves Not within Plus or Minus 3% of Required Value.Caused by Normal Setpoint Drift.Setpoints Adjusted (← links)
- 05000280/LER-1981-068-03, /03L-0:on 811102,06 & 13,electrical Penetrations Through Fire Barriers Found Open & Unattended.Caused by Failure of Const Personnel to Restore Fire Barrier or Post Watch After Completion of Cable Installation (← links)
- 05000280/LER-1981-055-03, Both Charging Pump Svc Water Pumps Failed.Caused by Failure of Carbon Steel Cap Screw on One Pump Allowing Impeller to Bind & Shorting Out of Motor Stator Windings of Second Pump (← links)
- 05000280/LER-1981-066-03, /03L-0:on 811027,technical Review Found Not Yet Begun on Design Change Package That Relocated Portions of Yard Firemain Piping.Caused by Project Engineer Administrative Error.Documents Updated (← links)
- 05000280/LER-1981-066, Forwards LER 81-066/03L-0 & Updated LER 81-055/03X-1 (← links)
- 05000280/LER-1981-061-03, /03L-0:on 811015,clevis Holding Rod Eye of Snubber 1-SHP-HSS-1B on Main Steam Line a Was Making Contact W/ Snubber Body Hindering Full Compression.Caused by Thermal Growth.Clevis Modified to Allow Full Travel of Piston (← links)
- 05000280/LER-1981-061, Forwards LER 81-061/03L-0.Detailed Event Analysis Encl (← links)
- 05000280/LER-1981-065-03, /03L-0:on 811020,PT-27 Revealed Amp Readings for Heat Tracing Panel 8,circuit 7B,were Below Acceptance Criteria.Caused by Excessive Heat.Heat Tracing Replaced & Tested (← links)
- 05000280/LER-1981-064-03, /03L-0:on 811020,PT-27 Revealed Amp Readings for Heat Tracing Panels 8 & 9,circuit 13A Were Below Acceptance Criteria.Caused by Excessive Heat.Heat Tracing Replaced & Tested (← links)
- 05000281/LER-1981-064-03, /03L-0:on 811008,during Charging Pump Svc Water Surveillance testing,2-SW-P-10B Failed to Develop Required Discharge Pressure & Was Declared Inoperable.Caused by Loss of Npsh.Svc Water Flow Adjusted & Pump Vented (← links)
- 05000281/LER-1981-063-03, /03L-0:on 811014,vol of Borated Water in Safety Injection Accumulator B Exceeded Tech Spec.Caused by Personnel Error.Operator Filling Accumulator Was Slow Terminating Makeup.Vol Brought within Limits (← links)
- 05000280/LER-1981-056-03, /03L-0:on 810928,RHR Pump Was Removed from Svc to Evaluate Small Mechanical Seal Leak.Caused by Normal Wear.Pump Returned to Svc.No Further Action Required (← links)
- 05000280/LER-1981-059-03, /03L-0:on 811005,w/reactor Coolant at Approx 200 F & Heating up,TV-CC-109A (Component Cooling to RHR) Isolation Valve Would Not Close.Cause Undetermined.Air Line Disconnected & Observed to Blow Clear.Air Line Reconnected (← links)
- 05000280/LER-1981-052-03, /03L-0:on 810920,during Routine Shutdown to Repair Feedwater Leaks Inside Containment Steam Flow Indicator for Steam Generator C,FI-1494,would Not Indicate Properly.Caused by Moisture in Transmitter.Leaks Repaired (← links)
- 05000280/LER-1981-048-03, /03L-0:on 810912,while Unit Was Being Returned to Svc Following Rod Control Problem,C Steam Flow Transmitter Ft-1495 Indicated Low.Caused by Water Collecting & Shorting Out Transmitter.Transmitter Replaced (← links)
- 05000280/LER-1981-043-03, /03L-0:on 810901,review Disclosed That Fire Hydrants Were Not Flow Tested Once Per 3-yrs as Required. Caused by Misinterpretation of Tech Specs.New Periodic Test Written & Submitted to Corporated Fire Protection Ofc (← links)