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| Issue date | Title | Topic | |
|---|---|---|---|
| ML20203L028 | 25 April 1986 | 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 | Backfit |
| 05000237/LER-1983-084, Updated LER 83-084/03X-1:on 831230,during Normal Operation, Primary Containment Oxygen Sample from Torus Alarmed on Low Level Sample Flow.Caused by Sample Line Moisture.Line Drained & Leads reconnected.W/840314 Ltr | 14 March 1984 | Updated LER 83-084/03X-1:on 831230,during Normal Operation, Primary Containment Oxygen Sample from Torus Alarmed on Low Level Sample Flow.Caused by Sample Line Moisture.Line Drained & Leads reconnected.W/840314 Ltr | |
| 05000237/LER-1983-080, Supplemental LER 83-080/03X-1:on 831124,offgas Log Rad Monitor 2-1705-A Delivered Offgas High Alarm & High Alarm Spiked & Drifted Downscale.Caused by Burned Out Resistor. Power Supply Installed & Monitor Calibr | 20 December 1983 | Supplemental LER 83-080/03X-1:on 831124,offgas Log Rad Monitor 2-1705-A Delivered Offgas High Alarm & High Alarm Spiked & Drifted Downscale.Caused by Burned Out Resistor. Power Supply Installed & Monitor Calibr | |
| ML20081M202 | 2 November 1983 | 83-037/03L-0:on 831005,during Daily Battery Surveillance, 250-volt Battery Charger Float Voltage Indicated Improper Float Voltage.Caused by Defective Amplifier Board.Defective Board Replaced | |
| 05000237/LER-1982-023, Revised Deviation Rept for LER 82-023/03L-0:on 820623, Wrong Assumption Made for Drywell to Torus Differential Pressure.Caused by High Torus Pressure Transmitter 2-1673 Measurement | 23 July 1982 | Revised Deviation Rept for LER 82-023/03L-0:on 820623, Wrong Assumption Made for Drywell to Torus Differential Pressure.Caused by High Torus Pressure Transmitter 2-1673 Measurement | |
| ML20147A909 | 8 September 1978 | /03L on 780821:during Survey,Dis 250-1,MSL Hi Flow Isolation Switch Psid 3-261-2C Tripped at 135.5 Psid.Caused by Bent Indicator Pointer Dragging Across Face Plate Prohibiting Proper Oper.(Encl to 7809220139) | |
| ML20147A905 | 8 September 1978 | /03L-0 on 780908:steam Leaking from Ventrom Vent Line.Caused by Cracked Weld.Repaired by Welding Externally. (Encl to 7809220138) | |
| ML20147A894 | 8 September 1978 | /03L on 780817:room Cooler Fans Failed to Start When Pumps 3B & 3C started.4KV Switchgear 33 & 34 Auxiliary Contacts Were Found Dirty.(Encl to 7809220129) | |
| ML20147A721 | 8 September 1978 | /01X-1 on 780320:Cracks Found on end-to-pipe Weld on CRD Return Line.Caused by Intermittent to Low Cooling Water Flow Leaving the CRD Nozzle.Pipe Was Removed & Replaced. (Encl to 7809180035) | |
| ML20147A736 | 7 September 1978 | /01T-0 on 780824:Unit 2 Diesel Failed W/ Diesel Generators 2 & 3 Out of Serv Because Pinion Gear on an Air Start Motor Did Not Engage W/ Diesel Ring Gear.Air Start Motor Replaced. (Encl to 7809180225) | |
| ML20147A789 | 25 August 1978 | /01X-1 on 780428:During Unit 2 Startup Opers, a LPCI & Core Spray Subsys Were Inadvertantly Rendered Inoper Because Personnel Had Closed LPCI Pump & Discharge Valves on Unit 2 Vice 3.(Encl to 7809180320) | |
| 05000237/LER-1950-237, Updated LER 50-237/75-048:on 751007,through-wall Crack Found in Drywell/Torus Nitrogen Purge Line 1604-18.Addl Mods, Including Temp Controlled Isolation Valve Installation, Delayed Until Proposal Review | 10 June 1977 | Updated LER 50-237/75-048:on 751007,through-wall Crack Found in Drywell/Torus Nitrogen Purge Line 1604-18.Addl Mods, Including Temp Controlled Isolation Valve Installation, Delayed Until Proposal Review | |
| 05000237/LER-1976-066, Updated LER 76-066/01T-1:on 761113,during Maint Outage,Hpci Injection Valve M02-23018 Found in Closed Position W/Valve Stem Severed.Caused by Mechanical Overstress of Stem.Stem Replaced | 13 May 1977 | Updated LER 76-066/01T-1:on 761113,during Maint Outage,Hpci Injection Valve M02-23018 Found in Closed Position W/Valve Stem Severed.Caused by Mechanical Overstress of Stem.Stem Replaced | |
| 05000237/LER-1976-063, Updated LER 76-063/03L-l:on 761003,stack Gas Sample Pump Flow Appeared Abnormally Low.Caused by Collection of Carbon Impeller Vane Products in Pump Cavity & Filter.Pump & Filter Replaced | 3 March 1977 | Updated LER 76-063/03L-l:on 761003,stack Gas Sample Pump Flow Appeared Abnormally Low.Caused by Collection of Carbon Impeller Vane Products in Pump Cavity & Filter.Pump & Filter Replaced | |
| 05000237/LER-1976-053, Updated LER 76-053/01T-1:on 760803,util Advised by GE That MAPLHGR Limits in Effect No Longer Considered Sufficiently Conservative at Low Core Flow Rates.Problem Thought to Be ECCS Models Used to Determine Rates | 3 January 1977 | Updated LER 76-053/01T-1:on 760803,util Advised by GE That MAPLHGR Limits in Effect No Longer Considered Sufficiently Conservative at Low Core Flow Rates.Problem Thought to Be ECCS Models Used to Determine Rates | |
| 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 | 13 July 1976 | 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 |