Ronaldo Jenkins# QUERY93bf184ea67c66d3327d5fddecb4f8c7
Ronaldo Jenkins# QUERYa6e222de17bd13570b3f85f2655dd9dc
Ronaldo Jenkins# QUERY84715fdc74ebb45fe08b8eceacd0c06a
Ronaldo Jenkins# QUERYb6d197a845790a25caab314f99ebdc65
Ronaldo Jenkins OR Ronaldo Jenkins
Ronaldo Jenkins# QUERYa075d8671308a1718e8e44473e5b31ca
Ronaldo Jenkins# QUERY8b5e8dc957c39992cea898e93c980dd8
Ronaldo Jenkins# QUERY9276a13bf5fc074bacaf4a3d4503f2a5
Ronaldo Jenkins
Ronaldo Jenkins# QUERY4edd980c283888e25c131ab513402d27
Ronaldo Jenkins# QUERY815b295c654c07722cc0bafb1f2dd010
NRC/RES/DE/ICEEB false
Ronaldo Jenkins# QUERY0a2fdcd8e7b18cc983827165d9b2b077
NRC/RES/DE/ICEEB true
Ronaldo Jenkins# QUERY1410354457694f389a0e4868a3d6cb31
NRC Headquarters
Ronaldo Jenkins# QUERYde076fd0735aa8b856faf204727da28d
05000410/LER-1988-014, :on 880313,reactor Scram & ESF Actuations Occurred.Caused by Equipment Failure Due to Design Deficiency.Transmitter Replaced W/Upgraded Model & Temporary Mod Performed to Bypass Logic for Valves
05000446/LER-1994-019, :on 941106,containment Ventilation Isolation Occurred Due to Spurious Generator Rotor Ground Signal. Restored Power to Bus,Reset CVI Signal & Reinitiated Containment Purge
05000304/LER-1981-001-03, /03L-0:on 810114,during Power Operation,Loop D Overtemp Delta T Channel 2T-431C Was Indicating Erratically Low by 15%.Cause Not Found.Sys Being Monitored for Similar Events
05000304/LER-1981-014-03, /03L-0:on 810619,svc Water Inlet Valve to RCFC, 2MOVSW0002,failed to Stroke Open on Train B Actuation Signal Per Tech Spec,During Quarterly Safeguard Surveillance.Cause Not Determined
05000304/LER-1981-013-03, /03L-0:on 810619,steam Generator 2B Level Indication 2LI-548 Found Shifting W/Start & Stops of Containment Fan Cooler 2E.Caused by Defective Transmitter Due to Bad Force Motor
05000304/LER-1981-010-03, /03L-0:on 810513,following Maint Functional Tests, Loop B Overpower/Temp Delta T Channel Became Erratic.Cause Not Known.Channel Monitored for 84-h W/O Recurrence,Verified Operable & Returned to Svc
05000304/LER-1980-027-03, /03L-0:on 801029,channel 2L-461 Found Out of Tolerance.Caused by Zero Shift on Xmtr 2L-461.Adjustments Made to Xmtr & Channel Returned to Svc
05000304/LER-1980-028-03, /03L-0:on 801110,steam Generator 2B Feed Flow Channel 2F-540 Out of Tolerance.Caused by Zero Shifting of Fisher Porter Transmitter.Transmitter Zero Adjusted & Channel Returned to Svc
05000295/LER-1980-036-03, /03L-0:on 800711,during Normal Operation,Pzr Level Channel 1L-460 Found Below Tech Specs.Caused by Zero Shift on Transmitter 1LT-460 (Barton Model 386).Zero Adjusted on Transmitter.Channel Returned to Svc
05000295/LER-1980-044-03, /03L-0:on 801001,during Routine Surveillance,Maint Personnel Found 1C Rx Coolant Flow Channel 1F-424 Comparator Setpoint Low Contrary to Tech Specs.Caused by Instrument Drift.Comparator Recalibr & Returned to Svc
05000295/LER-1980-040-03, /03L-0:on 800619,during Normal Operation,Loop D Overpower/Overtemp Delta T Channel 1T-431 Found Erratic, Initiating Alarms & Bistable Trips.Caused by Noisy Output from Low Level Amplifier 1TM431B (Hagan Model 18)
05000304/LER-1980-021-03, /03L-0:on 800726,steam Generator 2A Steam Flow Channel 2F-512 Failed to Start Indicating Prior to Placing Unit on Sys Grid.Caused by Low Output from Square Root Extractor 2FM-512B(Hagan Model 127-112)
05000304/LER-1980-009-03, /03L-0:on 800202,steam Generator Level Transmitter 2LT-538 Had Shifted High by 2.25%.Caused by Transmitter Drift Due to Natural Component Aging.Transmitter Recalibr & Channel Returned to Svc
05000295/LER-1980-025-03, /03L-0:on 800510,while Performing Periodic Tests, Function Generator 1NM-441B Output Was Found Out of Tolerance.Caused by Instrument Drifting.Unit Recalibr
05000295/LER-1980-022-03, /03L-0:on 800507,during Normal Operations,Output Signal from Reactor Coolant Narrow Range Resistance Temp detector,1TE-421A,found Intermittently Spiking Low.Caused by Loose Wiring Connections
05000304/LER-1980-020-03, /03L-0:on 800507,maint Personnel Found Steam Generator 2A Pressure Channel 2P-516 Low by 2.6%,exceeding Channel Accuracy.Caused by Instrument Drift of Transmitter. Transmitter Recalibr
05000295/LER-1980-016-03, /03L-0:on 800325,during Normal Operation,S/G Steam Flow Channel Was Found Reading Lower than Allowable Channel Tolerance.Caused by Excessive Process Noise from Transmitter.Transmitter Replaced & Channel Returned to Svc
05000304/LER-1980-013-03, /03L-0:on 800227,during Normal Operation,Maint Personnel Found Steam Generator Pressure Comparator 2PC-536A-B Shifted High by 1.5%.Caused by Defective Unit. Defective Unit Replaced W/Spare Unit
05000304/LER-1980-014-03, /03L-0:on 800303,during Normal Operation,Maint Personnel Found Steam Generator Pressure Transmitter 2-PI-516 Had Shifted Low by 2%.Defective Fisher Porter Model 50EP1041 Bcxa Replaced & Channel Returned to Svc
05000304/LER-1980-004-03, /03L-0:on 800128,during Normal Operation,Maint Personnel Found Steam/Generator Level Transmitter 2LT-538 Had Shifted High by 3.9%.Caused by Transmitter Drift. Transmitter Recalibr
05000410/LER-1987-051, :on 870813,shutdown Cooling Sys Isolated & Tech Specs 3.4.9.2 Exceeded.Caused by Equipment Failure,Personnel Error & Procedural & Design Deficiencies.Shutdown Cooling Sys Manually Restored
05000410/LER-1988-001, :on 880120,reactor Scram Occurred Due to Actual Low Water Level Condition.Caused by Design & Personnel Errors.Operator Disciplined & Mod Addressed Inadvertent Feedwater Control Valve Lockup
05000410/LER-1988-024, :on 880605,ESF Actuation Occurred Due to Resetting of Failed Radiation Monitor Microcomputer.Caused by Lack of Personnel Training.Defective Cards & Modules in RE14B Microcomputer & DRMS Panel Replaced