Pages that link to "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"
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The following pages link to 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:
Displayed 50 items.
- 05000280/LER-1982-068 (← links)
- 05000280/LER-1982-071 (← links)
- 05000280/LER-1982-073 (← links)
- 05000280/LER-1982-026 (← links)
- 05000280/LER-1982-074 (← links)
- 05000280/LER-1982-036 (← links)
- 05000280/LER-1982-035 (← links)
- 05000280/LER-1982-061 (← links)
- 05000280/LER-1982-065 (← links)
- 05000280/LER-1982-070 (← links)
- 05000280/LER-1982-066 (← links)
- 05000280/LER-1982-032 (← links)
- 05000280/LER-1982-029 (← links)
- 05000280/LER-1982-062 (← links)
- 05000280/LER-1982-059 (← links)
- 05000280/LER-1982-024 (← links)
- 05000280/LER-1982-058 (← links)
- 05000280/LER-1982-057 (← links)
- 05000280/LER-1982-027 (← links)
- 05000280/LER-1982-028 (← links)
- 05000280/LER-1982-060 (← links)
- 05000280/LER-1982-025 (← links)
- 05000280/LER-1982-063 (← links)
- 05000280/LER-1982-055 (← links)
- 05000280/LER-1980-059, Updated LER 80-059/01X-1:on 801016,util Informed of Potential for Loss of Auxiliary Feedwater Flow Following Steamline Rupture.Caused by Original Design Allowing Pump Runout & Subsequent Tripping of Sys Pump Motors (← links)
- 05000280/LER-1979-045, Updated LER 79-045/01X-1:on 791228,air Would Not Flow Through Filters If Consequence Limiting Safeguards hi-hi Signal Removed from Control Circuit of Safeguards Area Exhaust Ventilation Dampers.Caused by Design Deficiency (← links)
- ML20064B825 (← links)
- ML20064B745 (← links)
- 05000280/LER-1982-084, Updated LER 82-084/01X-1:on 820808,venting of a Charging Pump Resulted in Max Instantaneous Release Rate Being Exceeded.Caused by Failure to Change Radiation Monitor Setpoint Alarms to Reflect New Vent Sys Flow Rates (← links)
- 05000281/LER-1981-075, Forwards LER 81-075/03L-0 (← links)
- 05000281/LER-1980-010, Updated LER 80-010/01X-1:on 800721,containment Gaseous & Particulate Radiation Monitor Found to Have One Automatic Function Incapable of Operating During Fuel Movement.Caused by Bypass of Containment Exhaust Fan Relay in Design (← links)
- 05000280/LER-1982-049, Updated LER 82-049/03X-1:on 820419,at 100% Power,Charging Pump Svc Water Pump 1-SW-P 10B Found W/Zero Discharge Pressure.Caused by Loss of Suction to Pumps Due to Increased Use of Svc Water by Chillers.Pump Operation Restored (← links)
- 05000280/LER-1981-047, Updated LER 81-047/03X-1:on 810910,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)
- 05000280/LER-1982-126, Updated LER 82-126/03X-1:on 821223,rod Position Indication for Control Rod F-4 Indicated Erratically & Fluctuated Greater than 12 Steps.Cause Unknown.Erroneous Signal Suspected of Being Inside Containment.Testing Underway (← links)
- 05000281/LER-1981-074, Updated LER 81-074/03X-1:on 811120,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, Updated LER 81-052/03X-1:on 810815,valve MOV-SW-202A Failed to Close Due to Grounded Motor.Grounding Caused by Flooding in Sump.Motor Replaced (← links)
- 05000280/LER-1975-006, Supplemental LER 75-06/010:on 750215,module S/N D401 Failed Due to Capacitor C-37 Being Open Circuit.Capacitors Replaced (← links)
- 05000280/LER-1975-008, Supplementary LER 75-08/01L on 750427.Previously Described Event Caused by Apparent Inadequate Implementation of Administrative Controls During Const & Preoperation. Administrative Control of Electrical Wire Changes Increased (← links)
- 05000281/LER-1975-012, Suppl to LER 75-12/01T:on 750706,reactor Trip Occurred. Caused by Sudden Closure of Trip Valve in Main Steam Line B Followed by Closure of Main Steam Line Valves a & C (← links)
- 05000280/LER-1975-015, Updated LER 75-15/01T:on 750803,leaking Fitting on Overhead Gas Compressor B Resulted in Unplanned Release of Radioctive Matl from Site.Caused by Loose Fitting.Leaking Fitting Repaired (← links)
- 05000280/LER-1975-016, Updated LER 75-16/010:on 750822 & 23,channel II Protection Drifted in Nonconservative Direction.Caused by Moisture Accumulation Between Senson Insulation & Copper Lead Wire. All RTDs Replaced W/Improved Versions (← links)
- 05000281/LER-1976-015, Updated LER 76-15/03L:on 761006,leakage of Water Observed from Recirculation Spray HX a Piping.Caused by Cracking in Heat Affected Zones of Several Welds.Listed Piping Will Be Replaced (← links)
- 05000280/LER-1976-002, Updated LER 76-02/01T:on 760313,determined Worst Break LOCA Core Thermal Transient Analysis Inaccurate Since Effects of Steam Generator Tube Plugging on LOCA Not Considered (← links)
- 05000281/LER-1976-003, Updated LER 76-03/01T:on 760521,routine Chemistry Analysis of Primary Coolant Boron Concentration Indicated Unplanned Dilution Occurred.Caused by Three Tubes Cut on Steam Generator 2A.Tubes Plugged (← links)
- 05000281/LER-1975-005, Updated LER 75-05/010:on 750225,radial Trip of Max 2.5% Existed.Caused by Prolonged Recovery of Rod F-2.Control Room Alarm Did Not Function Due to Defective Circuit Card. Card Replaced & Staff Cautioned (← links)
- 05000280/LER-1975-011, Suppl to LER 75-11/01T:on 750416,pinhole Leak Developed in Recirculation Line on Charging Pump 2-CH-P-1C Causing Ventilation Vent Sampler RMS-VG-109 to Alarm.Leak Found & Isolated (← links)
- ML20078N512 (← links)
- 05000281/LER-1992-001, Corrected Page 3 to LER 92-001-00 Re 920130 Mechanical Failure Due to Oil Leak from Charging Pump a Bearing & Damper Remaining Closed on Charging Pump B (← links)
- ML20071H644 (redirect page) (← links)
- 05000280/LER-1981-081 (redirect page) (← links)