RC-14-0084, Special Report 2014-003 for V.C. Summer, One or More Required Meteorological Monitoring Channels Being Inoperable for More than Seven (7) Days
05000302/LER-1982-048, Forwards LER 82-048/03L-0.Detailed Event Analysis Encl
3F1093-17, Special Rept 93-02:on 931011,primary Meteorlogical Sys Taken Out of Svc for Performance of TS Surveillance 4.3.3.4 & TS 3.3.3.4 Entered Since Backup Sys Out of Svc.Surveillance Performed & Sys Returned to Operation on 931019
05000302/LER-1983-045, Rev 1 to LER 83-045/03X-1:on 831016,1104 & 08,175-ft Wind Speed Instrumentation & on 831028 & 1102,33-ft Wind Direction Instrumentation Discovered Inoperable.Caused by Severe Weather Damage & Component Failure
B16997, Application for Amend to License DPR-65,relocating Instrumentation TSs 3.3.3.2,3.3.3.3 & 3.3.3.4 to Mnps,Unit 2 Trm,Per GL 95-10
B17017, Special Rept:On 980130,declared Meteorological Tower (Met) Delta - T Instrumentation Due to Discovery of Met Instrument Uncertainty Values Found Out of Compliance.Will Modify Meteorological Instrumentation Installed at Plant
B16878, Retracts LAR Which Proposed to Change Accuracy Requirements for Meteorological Instrumentation Covered by TS 3.3.3.4, Table 3.3-8, Meteorological Monitoring Instrumentation. LAR Retracted
ST-HL-AE-3156, Special Rept:On 890619,primary Meteorological Tower Instrumentation Declared Inoperable to Perform Semiannual Sys Calibr.Calibr Not Completed within 7 Days.Sys Calibr Procedures Revised to Allow out-of-sequence Calibr
NOC-AE-000143, Special Rept:On 980413,declared Primary Meteorological Tower Instrumentation Inoperable Due to Performance of semi-annual Sys Calibr Required by TS 3.3.3.4.Successfully Calibr & Returned Primary Meterological Tower Instruments to Svc
B15895, Provides Info Required by Unit 2 TS 3.3.3.4 & Constitutes Special Rept Required by Specification & TS 6.9.2
L-84-388, Special Rept:On 841207-19,10-meter Elevation Wind Direction Instruction Out of Svc.Caused by Open Circuit in Instrument Potentiometer.Repair Delayed Due to Difficulty in Obtaining Replacement Part
L-91-233, Special Rept:On 910801,entire Meterological Station Removed from Svc for Greater than Seven Days Due to Planned Plant Mod to Replace Obsolete Meterological Equipment.Mods & Instrument Calibr Will Be Completed on or Before 910829
L-94-025, Ter,Audit of Plant Specific License Conversion to STS: Crystal River Unit 3
ST-HL-AE-3837, Suppl to Special Rept Re Inoperable Primary Meteorological Tower Instrument.Primary Meteorological Tower Restored to Operable Status on 910627 & Operator Log Procedures for Towers Enhanced
ST-HL-AE-3814, Special Rept:On 910616,primary Meteorological Tower Wind Direction Sensor at 60 Meter Elevation Declared Inoperable Due to Indication Problems Resulting in Entry Into Tech Spec 3.3.3.4 Action Statement
ST-HL-AE-3564, Revised Special Rept:On 900719,inoperable Primary Meteorological Tower Instruments Was Due to Inconsistant Indication.Sensor Failure Probably Caused by Lightning Strike.Sensor Returned to Operable Status on 900726
ST-HL-AE-3531, Special Rept:On 900719,primary Meteorological Tower Instruments Declared Inoperable.Caused by Inconsistent Indication Resulting in Entry Into Tech Spec 3.3.3.4 Action Statement.Calibr Sensor Obtained & Installed
05000334/LER-1999-005, :on 990319,noted Inadequate Meteorological Wind Speed Instrumentation Calibr Range Which Led to Failure to Comply with Ts.Caused by Inadequate Procedures.Plant Wind Speed Sensors Were Removed & re-calibr.With
05000320/LER-1987-004-01, :on 870228,Tech Spec 3.3.3.4 Requiring Operability of Control Room Meteorological Instrumentation Violated.Caused by Inoperable Air Temp Delta T Recorder Due to Inadequate Surveillance Frequency
05000328/LER-1988-034, :on 880815,four Separate Incidents Affecting Plant Operations Occurred as Result of Area Thunderstorm. Relays Controlling Intertie Bank Breakers Will Be Tested to Ensure Proper Operation
05000482/LER-1997-006, :on 970414,identified Failure to Comply W/Requirements for Instrument Accuracy Due to Personnel Error,In That Procedure Control Should Have Caused Update of Documents.Procedure STS IC-890B Was Revised
05000302/LER-1983-045-03, /03L-0:on 831016 & 28,discovered 175 & 33-ft Wind Direction Instrumentation Inoperable,Respectively.Caused by Lightning Damage During Weather Disturbance.Instrumentation Repaired
05000302/LER-1983-005-03, /03L-0:on 830125,33-ft Wind Direction Recorder Declared Inoperable.Wind Speed & Direction Failures Possibly Caused by Loose Connector & Wiring Interference.Out of Tolerance Due to Instrument Drift
05000302/LER-1983-032-03, /03L-0:on 830805,meteorological Monitoring Instrumentation Found Inoperable.Caused by Lightning Strike.Components Replaced & Recalibr
05000302/LER-1982-005-03, /03L-0:on 820119,175 & 33-ft Wind Direction & Ambient Temp Monitoring Channels Found Out of Calibr.Caused by Instrument Drift.Instruments Recalibr & Returned to Svc 820126.Meteorological Monitoring Tower Design Under Review
05000302/LER-1983-015-03, /03L-0:on 830318,during Normal operation,175-ft Wind Speed Meteorological Monitoring Instrumentation Discovered Inoperable.Caused by Broken Cup Assembly During Weather Disturbance.Assembly Replaced
05000302/LER-1983-014-03, /03L-0:on 830310 & 17,power Lost to Meteorological Monitoring Sys.Caused by Failure of Synch Card in Primary Inverter Power Supply & Personnel Transferring Secondary Power Source During Electrical Change
05000302/LER-1982-067-03, /03L-0:on 821028,feedwater Ultrasonic Flow Indicator FW-313-FI Discovered Inoperable.Caused by Defective Scale Card.Scale Card Replaced & Functional Check Satisfactorily Completed
05000302/LER-1982-069-03, /03L-0:on 821029,remote & Local 175-ft Wind Direction Channels Found Out of Tolerance.Caused by Failed Direction Sensor.Sensor Replaced & Instrument Recalibr. Meteorological Monitoring Sys Under Evaluation
05000315/LER-1981-024-04, /04X-0:on 810716,meteorological 150-ft Wind Direction Instrumentation Declared Inoperable.Caused by Faulty Wind Direction Sensor,Model 50.2C Mfg by Geotech. Back Order Expedited
05000302/LER-1978-058-03, /03L-0:on 781112,feeder Breaker Was Open & Disrupting Ac Power Supply.Caused by Personnel Opening Unmarked Ac Power Feeder Breaker.Breaker Will Be Identified & Labeled
05000302/LER-1978-056-03, /03L-0:on 781027,during Meteorological Monitoring Instrumentation Calibr,Differential Temp & Wind Indications Found Out of Tolerance.Former Caused by Defective Temp Probes;Latter by Worn Sensor Bearing.Units Recalibr
05000482/LER-1993-013, :on 930809,meteorological Tower de-energized for Mods & Declared Inoperable.Caused by Personnel Error. Meteorological Tower Drawing as-builts Established to Reflect Correct Field Wiring Configuration
05000320/LER-1982-019-03, /03L-0:on 820601,wind Speed,Wind Direction & Air Temp Indication in Control Room Lost.Caused by Lightning Striking Meteorological Tower Resulting in Blown Amplifier Chips & Fuse.Components Replaced
05000302/LER-1982-024-03, /03L-0:on 820321,during Normal Operation,Air Temp Delta T Meteorological Monitoring Instrumentation Discovered Inoperable Contrary to Tech Spec.Caused by Failed Aspirating Fan Motor.Motor Replaced
05000302/LER-1982-031-03, /03L-0:on 820405,175-ft Wind Direction Channel Found Not Functioning Properly.Caused by Lost Vane & Instrument Drift.Vane Replaced & Instrument Recalibr
05000320/LER-1981-038-01, /01L-0:on 811228,wind Direction & Wind Speed Monitoring Instruments on Meteorological Tower Became Inoperable Due to Ice Formation.Instruments Deiced Naturally.Util Awaiting Instrument Jacket Heaters Delivery
05000302/LER-1981-072-03, /03L-0:on 811020,175 Ft Wind Speed Channel Found Out of Tolerance.On 811021,175 Ft Wind Direction Channel Found Out of Tolerance.Caused by Instrument Drift in Wind Speed Channel & Loose Spacer in Wind Direction Shaft
05000302/LER-1981-058-03, /03L-0:on 810822,during Meteorological Sys Surveillance,Air Temp Delta T Instrument Was Inoperable. Caused by Faulty Amplifiers in Delta T Circuitry.Amplifiers Replaced
05000302/LER-1981-043-03, /03L-0:on 810709,during shutdown,175-ft Wind Direction Instrument Found Out of Calibr.Caused by Technician Using Wrong Ref Slot for Mounting Optical Orientation Device During Last Calibr
05000302/LER-1981-034, Forwards LER 81-034/03L-0.Detailed Event Analysis Encl
05000369/LER-1981-100, Forwards LER 81-100/03L-0.Detailed Event Analysis Encl
05000368/LER-1980-071-03, /03L-0:on 801006,wind Speed Indicator (WDR-9300) Was Found to Be Inoperable Per Tech Spec 3.3.3.4.Caused by Faulty Amplifier on Recorder.Amplifier Replaced & WDR-9300 Recalibr
05000346/LER-1980-068-03, /03L-0:on 800901,all Indicators for Meteorological Instrumentation Failed.Caused by Lightning Striking Tower, Resulting in High Voltage Spike in Wind Direction Sensor. Repairs to Tower Sensors and Comstar Computer Completed
05000346/LER-1978-017-03, /03L-0:on 780126,all Meteorological Channels Became Inoperable During Blizzard.Caused by Instrumentation Power Loss Due to Tripped Breaker at Meteorological Tower. Breaker Reset on 780128
05000302/LER-1978-025-03, /03L-0:on 780418,175 Ft Wind Indication Lost. Caused by Worn Out Wind Speed Sensor Bearing.Sensor Renewed
05000302/LER-1978-026-03, /03L-0:on 780424,175 Ft Delta Temp Instrument Found Out of Calibr During SP-158 Performance.Caused by Temp Probe Failure.Temp Probes Renewed.Corrective Action Unnecessary
05000302/LER-1978-033-03, /03L-0:on 780612 & 28,175 Ft Wind Speed Indication Lost.On 780621 & 28,33 Ft Wind Speed Indication Lost.Caused by Contamination of Indicators W/Coal Dust.Sensors Renewed & Returned to Svc within 24-h.Engineering Evaluation B
05000302/LER-1978-036-03, /03L-0:on 780716,all Digital & Recorded Meteorological Indications Failed Contrary to Tech Spec 3.3.3.4.Caused by Lightning.Printed Circuit Cards to Translator Power Supply & Dew Cell Renewed
05000302/LER-1978-073-03, /03L-0 on 781228:atmospheric Temp Indicator Rapidly Fluctuated +/-6 F.Cause Could Not Be Determined
05000302/LER-1979-024-03, /03L-0 on 790315:during Plant Heatup,Discovered That Temp Device at 175 Ft Elevation of Meteorological Monitoring Tower Was Inoperable.Cause Unknown.Temp Device Tested Satisfactorily & Returned to Svc
05000302/LER-1979-002-03, /03L-0 on 790102:33 Ft Wind Direction Monitor Was Inoperable.Caused by Wind Direction Sensor Bearing Being Contaminated W/Coal Dust.Sensor Renewed Thru Normal Maint
L-93-192, Application for Amends to Licenses DPR-31 & DPR-41,revising License Conditions 3.G & 3.F Respectively,To Conform to Std Fire Protection License Proposed as Stated in GL 86-10
05000251/LER-1992-005-04, :on 920902,while Recovering from Hurricane Andrew,Continuous Fire Watch Not Maintained for Inoperable Fire Suppression Sys.Caused by Personnel Error.Fire Watch watch-stander Reinstructed & Meeting Held
L-91-089, Application for Amends to Licenses DPR-31 & DPR-41,changing TS 3.3.2 Re ESFAS,3.3.3.4 Re Fire Detection Instrumentation, 3/4.7.8.3 Re Fire Hose Stations & 3.8.3 Re Onsite Power Distribution Per Emergency Power Enhancement Project
05000335/LER-1993-006-01, :on 930910,determined That Meteorological Tower Instrumentation Had Been Out of Svc Since 930909 Due to Personnel Error.Operating Procedure 1400051 Revised
05000336/LER-1996-034-02, :on 961004,declared Meterological Monitoring Instrumentation Inoperable Due to Inadequate Preparation of Ts.Completed Loop Accuracy Calculation & Will Request Rev to TS to Remove Instrument Accuracy Requirement
05000334/LER-1998-029, :on 981218,inadequate Meterological Instrumentation Calibr Led to Failure to Comply with Tss.Caused by Human Error.Current Wind Direction Sensor Was Replaced.With
05000302/LER-1982-066-03, /03L-0:on 821019,routine Surveillance Indicated 33-ft Wind Speed Channel Inoperable.Caused by Instrument Drift.Channel Recalibr & Returned to Svc