Forwards LER 82-018/03L-0
Person / Time
ML20042C287
Site:	Duane Arnold
Issue date:	03/23/1982
From:	Mineck D IES UTILITIES INC., (FORMERLY IOWA ELECTRIC LIGHT
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20042C288	List: 05000331/LER-1982-018, Forwards LER 82-018/03L-0 05000331/LER-1982-018-03, /03L-0:on 820221,during Normal Operation, Supression Pool Level Transmitter LT-4363B Responded Erratically,Trending Downscale.Caused by Interference by RHR Repairs.Transmitter Removed from Svc,Pending Repairs
References
DAEC-82-188, NUDOCS 8203310170
Download: ML20042C287 (1)
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LER-1982-018, Forwards LER 82-018/03L-0

Event date:
Report date:
3311982018R00 - NRC Website
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text

Iowa Electric Light and Iher Company fir.rch 23,1982 DAEC-82-188 Mr. James G. Keppler Regional Administrator Region III e

g U. S. Nuclear Regulatory Comission 3

799 Roosevelt Road Glen Ellyn, IL 60137

/10 M

Subject: Licensee Event Report No.82-018 44g O

(30 day)

{j,kg 984 j File: A-118a

.f-

Dear Mr. Keppler:

q In accordance with Appendix A to Operating License DPR-49, Technical Specifications and Bases for Duane Arnold Energy Center and Regulatory Guide 10.1, please find attached a copy of the subject Licensee Event Report.

Very truly yours, 1

V Daniel

. Mineck Chief Engineer Duane Arnold Energy Center DLM/DMV/dv Docket 50-331 attachment cc:

Document Control Desk U. S. Nuclear Regulatory Commission Washington, D. C.

20555 NRC Resident Inspector - DAEC 0203310170 B20323 PDR ADOCK 05000331 g

PDR MAR 2 5 W [hAA as..nc amou r.ncunv center m no., ass. caer inavida. iowa s:<3e assisss-sess

Licensee Event Report

Duane Arnold

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		Reporting criterion
05000331/LER-1982-001, Forwards LER 82-001/03L-0	Forwards LER 82-001/03L-0
05000331/LER-1982-001-03, /03L-0:on 820108,subchannel B of Tis 4477 to Turbine Bldg Main Steam Line Leak Detection Sys Found W/ Nonconservative Trip Setting Greater than Tech Spec Limit. Caused by Instrument Drift.Tis 4477 Recalibr & Tested	/03L-0:on 820108,subchannel B of Tis 4477 to Turbine Bldg Main Steam Line Leak Detection Sys Found W/ Nonconservative Trip Setting Greater than Tech Spec Limit. Caused by Instrument Drift.Tis 4477 Recalibr & Tested
05000331/LER-1982-002, Forwards LER 82-002/03L-0	Forwards LER 82-002/03L-0
05000331/LER-1982-002-03, /03L-0:on 820112,reactor Core Isolation Cooling Steam Line High Flow Pressure Differential Indicating Switches PDIS2441 & 2442 Tripped at 118 & 125 Inches of Water.Caused by Instrument Drift.Switches Recalibr	/03L-0:on 820112,reactor Core Isolation Cooling Steam Line High Flow Pressure Differential Indicating Switches PDIS2441 & 2442 Tripped at 118 & 125 Inches of Water.Caused by Instrument Drift.Switches Recalibr
05000331/LER-1982-003, Forwards LER 82-003/03L-0	Forwards LER 82-003/03L-0
05000331/LER-1982-003-03, /03L-0:on 820113,while Performing Surveillance Testing,Reactor Vessel Pressure Switch Ps 4529 Tripped Below Tech Spec Limit.Caused by Instrument Drift.Switch Recalibr	/03L-0:on 820113,while Performing Surveillance Testing,Reactor Vessel Pressure Switch Ps 4529 Tripped Below Tech Spec Limit.Caused by Instrument Drift.Switch Recalibr
05000331/LER-1982-004-03, /03L-0:on 820115,drywell High Pressure Switch Ps 4315B Tripped out-of-spec.Caused by Instrument Drift. Switch Recalibr	/03L-0:on 820115,drywell High Pressure Switch Ps 4315B Tripped out-of-spec.Caused by Instrument Drift. Switch Recalibr
05000331/LER-1982-004, Forwards LER 82-004/03L-0	Forwards LER 82-004/03L-0
05000331/LER-1982-005-03, /03L-0:on 820114,torus Water Level Recorder Lr 4385 Found in Failed Downscale Condition.Caused by Excessive Heat Buildup in Recorder Cabinet Due to Poor Ventilation. Cabinet Being Kept Open Temporarily to Increase Cooling	/03L-0:on 820114,torus Water Level Recorder Lr 4385 Found in Failed Downscale Condition.Caused by Excessive Heat Buildup in Recorder Cabinet Due to Poor Ventilation. Cabinet Being Kept Open Temporarily to Increase Cooling
05000331/LER-1982-005, Forwards LER 82-005/03L-0	Forwards LER 82-005/03L-0
05000331/LER-1982-006-03, /03L-0:on 820114,B Oxygen Analyzer for Containment Atmosphere Dilution Sys Found Inoperable W/Low Flow on Span & Zero Gas.Caused by Defective Procedures.Bypass Flow Adjusted.Procedures Will Be Revised	/03L-0:on 820114,B Oxygen Analyzer for Containment Atmosphere Dilution Sys Found Inoperable W/Low Flow on Span & Zero Gas.Caused by Defective Procedures.Bypass Flow Adjusted.Procedures Will Be Revised
05000331/LER-1982-006, Forwards LER 82-006/03L-0	Forwards LER 82-006/03L-0
05000331/LER-1982-007-01, /01T-0:on 820204,reactor Core Isolation Cooling Injection Valve MOV 2512 Was Opened & Then Would Not Close. Caused by Motor Operator Circuit Breaker Close Contractor Coil Being Opened.Coil Replaced	/01T-0:on 820204,reactor Core Isolation Cooling Injection Valve MOV 2512 Was Opened & Then Would Not Close. Caused by Motor Operator Circuit Breaker Close Contractor Coil Being Opened.Coil Replaced
05000331/LER-1982-007, Forwards LER 82-007/01T-0	Forwards LER 82-007/01T-0
05000331/LER-1982-008-03, /03L-0:on 820121,LPCI Sys & RHR Svc Water Sys a Declared Inoperable Due to Piping Stress in Excess of Code Allowables.Cause Unknown.Snubber GBC-1-SS-56 & RHR Sys Valve Replaced	/03L-0:on 820121,LPCI Sys & RHR Svc Water Sys a Declared Inoperable Due to Piping Stress in Excess of Code Allowables.Cause Unknown.Snubber GBC-1-SS-56 & RHR Sys Valve Replaced
05000331/LER-1982-008, Forwards LER 82-008/03L-0	Forwards LER 82-008/03L-0
05000331/LER-1982-009, Forwards LER 82-009/01T-0	Forwards LER 82-009/01T-0
05000331/LER-1982-009-01, /01T-0:on 820205,secondary Containment Integrity Violated by Inadvertently Opening Inner Railroad Airlock Personnel Door While Outer Reactor Bldg Door Was Open.Caused by Personnel Error W/Failed Solenoid Contributing	/01T-0:on 820205,secondary Containment Integrity Violated by Inadvertently Opening Inner Railroad Airlock Personnel Door While Outer Reactor Bldg Door Was Open.Caused by Personnel Error W/Failed Solenoid Contributing
05000331/LER-1982-010, Forwards LER 82-010/03L-0	Forwards LER 82-010/03L-0
05000331/LER-1982-010-03, /03L-0:on 820206,oxygen Analyzer B for Containment Atmosphere Dilution Sys Found Reading Upscale.Probably Caused by Corrosion on Contacts Due to Bad Connection Between Oxygen Analyzer Cell & Terminal Strip	/03L-0:on 820206,oxygen Analyzer B for Containment Atmosphere Dilution Sys Found Reading Upscale.Probably Caused by Corrosion on Contacts Due to Bad Connection Between Oxygen Analyzer Cell & Terminal Strip
05000331/LER-1982-011-03, /03L-0:on 820208,self-cleaning Strainer IS-85B on Suction Line to Screen Wash Pump B for River Water Supply Sys Became Plugged.Caused by Failed Strainer Shear Pin. Strainer Cleared.Baskets,Cap,Gearbox & Shear Pin Replaced	/03L-0:on 820208,self-cleaning Strainer IS-85B on Suction Line to Screen Wash Pump B for River Water Supply Sys Became Plugged.Caused by Failed Strainer Shear Pin. Strainer Cleared.Baskets,Cap,Gearbox & Shear Pin Replaced
05000331/LER-1982-011, Forwards LER 82-011/03L-0	Forwards LER 82-011/03L-0
05000331/LER-1982-012, Forwards LER 82-012/03L-0	Forwards LER 82-012/03L-0
05000331/LER-1982-012-03, /03L-0:on 820208,during Surveillance Testing,Msiv Leakage Control Sys Bypass Valve MOV-8403C Failed to Close. Caused by Failed Auxiliary Switch on Motor Starter Contractor Coil Mfg by Allis Chalmers.Switch Replaced	/03L-0:on 820208,during Surveillance Testing,Msiv Leakage Control Sys Bypass Valve MOV-8403C Failed to Close. Caused by Failed Auxiliary Switch on Motor Starter Contractor Coil Mfg by Allis Chalmers.Switch Replaced
05000331/LER-1982-013, Forwards LER 82-013/01T-0	Forwards LER 82-013/01T-0
05000331/LER-1982-013-01, /01T-0:on 820220,RHR Sys B Snubber GBB-3-SS-235 Removed from Svc for Testing.Caused by Snubber Pipe Clamp Rotated Out of Position & Bent Snubber Extension.Pipe Clamp Repositioned,Extension Straightened & Snubber Replaced	/01T-0:on 820220,RHR Sys B Snubber GBB-3-SS-235 Removed from Svc for Testing.Caused by Snubber Pipe Clamp Rotated Out of Position & Bent Snubber Extension.Pipe Clamp Repositioned,Extension Straightened & Snubber Replaced
05000331/LER-1982-014-03, /03L-0:on 820219,during Normal Operation,A RHR Loop Declared Inoperable Due to Failed Snubber GBB-4-SS-211 & Hanger GBB-4-H10.Caused by Minor Damage & Pipe Movement on a Rhr.Snubber Replaced & Hanger Repaired	/03L-0:on 820219,during Normal Operation,A RHR Loop Declared Inoperable Due to Failed Snubber GBB-4-SS-211 & Hanger GBB-4-H10.Caused by Minor Damage & Pipe Movement on a Rhr.Snubber Replaced & Hanger Repaired
05000331/LER-1982-014, Forwards LER 82-014/03L-0	Forwards LER 82-014/03L-0
05000331/LER-1982-015, Forwards LER 82-015/01T-0	Forwards LER 82-015/01T-0
05000331/LER-1982-015-01, /01T-0:on 820225,RHR Svc Water Valve MOV-1947 Failed to Close During Normal Operation.Caused by Wear of Valve Operator Stem Nut.Stem Nut MOV-1947 & Gaskets Replaced,Operator Lubricated & Limit Switches Reset	/01T-0:on 820225,RHR Svc Water Valve MOV-1947 Failed to Close During Normal Operation.Caused by Wear of Valve Operator Stem Nut.Stem Nut MOV-1947 & Gaskets Replaced,Operator Lubricated & Limit Switches Reset
05000331/LER-1982-016-03, /03L-0:on 820215,control Bldg Ventilation Sys Exhaust Isolation Damper Failed to Close Completely.Caused by Corrosion of Damper Operator Cylinder Due to Humidity. New Actuator Will Be Installed.Humidity Problem Studied	/03L-0:on 820215,control Bldg Ventilation Sys Exhaust Isolation Damper Failed to Close Completely.Caused by Corrosion of Damper Operator Cylinder Due to Humidity. New Actuator Will Be Installed.Humidity Problem Studied
05000331/LER-1982-016, Forwards LER 82-016/03L-0	Forwards LER 82-016/03L-0
05000331/LER-1982-017, Forwards LER 82-017/01T-0	Forwards LER 82-017/01T-0
05000331/LER-1982-017-01, /01T-0:on 820307,during Surveillance Testing, Standby Filter Unit a for Control Bldg Ventilation Sys Discovered to Have Low Halogenated Hydrocarbon Removal Efficiency.Caused by Moisture in Charcoal Adsorber Bank	/01T-0:on 820307,during Surveillance Testing, Standby Filter Unit a for Control Bldg Ventilation Sys Discovered to Have Low Halogenated Hydrocarbon Removal Efficiency.Caused by Moisture in Charcoal Adsorber Bank
05000331/LER-1982-018, Forwards LER 82-018/03L-0	Forwards LER 82-018/03L-0
05000331/LER-1982-018-03, /03L-0:on 820221,during Normal Operation, Supression Pool Level Transmitter LT-4363B Responded Erratically,Trending Downscale.Caused by Interference by RHR Repairs.Transmitter Removed from Svc,Pending Repairs	/03L-0:on 820221,during Normal Operation, Supression Pool Level Transmitter LT-4363B Responded Erratically,Trending Downscale.Caused by Interference by RHR Repairs.Transmitter Removed from Svc,Pending Repairs
05000331/LER-1982-019, Forwards LER 82-019/03L-0	Forwards LER 82-019/03L-0
05000331/LER-1982-019-03, /03L-0:on 820225,during Surveillance Testing on Main Steam Line Tunnel Leak Detection Sys,Temp Switch TIS-4444 Failed to Operate.Caused by Faulty Capacitor in Power Supply.Sys Tested & Restored to Svc	/03L-0:on 820225,during Surveillance Testing on Main Steam Line Tunnel Leak Detection Sys,Temp Switch TIS-4444 Failed to Operate.Caused by Faulty Capacitor in Power Supply.Sys Tested & Restored to Svc
05000331/LER-1982-020-01, Standby Diesel Generator 1G-21 Tripped During Surveillance Testing.Caused by Procedural Deficiency,Allowing Fuel Oil Filter Change W/O Filling & Venting Filter Casings.Maint Procedures Written	Standby Diesel Generator 1G-21 Tripped During Surveillance Testing.Caused by Procedural Deficiency,Allowing Fuel Oil Filter Change W/O Filling & Venting Filter Casings.Maint Procedures Written
05000331/LER-1982-020, Forwards Updated LER 82-020/01X-2	Forwards Updated LER 82-020/01X-2
05000331/LER-1982-021-03, /03L-0:on 820302,during Normal Operation Surveillance Testing on Standby Gas Treatment Sys Charcoal Deluge Sys,A Train Found to Be Wet.Caused by Leaking Deluge Valve CV-5837 & Plugged Orifice in Drainline	/03L-0:on 820302,during Normal Operation Surveillance Testing on Standby Gas Treatment Sys Charcoal Deluge Sys,A Train Found to Be Wet.Caused by Leaking Deluge Valve CV-5837 & Plugged Orifice in Drainline
05000331/LER-1982-021, Forwards LER 82-021/03L-0	Forwards LER 82-021/03L-0
05000331/LER-1982-022-03, /03L-0:on 820305,HPCI Declared Inoperable When Preliminary Design Review Did Not Confirm Loose Mounting Plate on Spring Can Hanger EBB-14-H8.Caused by Degraded Condition of Red Head Concrete Expansion Bolts	/03L-0:on 820305,HPCI Declared Inoperable When Preliminary Design Review Did Not Confirm Loose Mounting Plate on Spring Can Hanger EBB-14-H8.Caused by Degraded Condition of Red Head Concrete Expansion Bolts
05000331/LER-1982-022, Forwards LER 82-022/03L-0	Forwards LER 82-022/03L-0
05000331/LER-1982-023, Forwards LER 82-023/03L-0	Forwards LER 82-023/03L-0
05000331/LER-1982-023-03, /03L-0:on 820309,while Performing Surveillance testing,4 Kv Emergency Bus Undervoltage Relay 127-3 Tripped Conservatively High at 29.2 Volts.Caused by Instrument Drift.Relay 127-3 Recalibr	/03L-0:on 820309,while Performing Surveillance testing,4 Kv Emergency Bus Undervoltage Relay 127-3 Tripped Conservatively High at 29.2 Volts.Caused by Instrument Drift.Relay 127-3 Recalibr
05000331/LER-1982-024, Forwards LER 82-024/03L-0	Forwards LER 82-024/03L-0
05000331/LER-1982-024-03, /03L-0:on 820310,high Flow Pressure Differential Indicating Switch 2442 Tripped at 118 Inches of Water on Reactor Core Isolation Cooling Steam Line.Caused by Instrument Drift.Switch Recalibr.Design Change Pursued	/03L-0:on 820310,high Flow Pressure Differential Indicating Switch 2442 Tripped at 118 Inches of Water on Reactor Core Isolation Cooling Steam Line.Caused by Instrument Drift.Switch Recalibr.Design Change Pursued
05000331/LER-1982-025, Forwards LER 82-025/03L-0	Forwards LER 82-025/03L-0
05000331/LER-1982-025-03, /03L-0:on 820404,suppression Chamber to Drywell Vacuum Breaker Valve CV-4327D Failed to Close Completely. Caused by Pneumatic Cylinder Piston Stuck in mid-position. Piston Lubed & Valve Tested Satisfactorily	/03L-0:on 820404,suppression Chamber to Drywell Vacuum Breaker Valve CV-4327D Failed to Close Completely. Caused by Pneumatic Cylinder Piston Stuck in mid-position. Piston Lubed & Valve Tested Satisfactorily
... further results

05000331/LER-1982-018, Forwards LER 82-018/03L-0

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Dear Mr. Keppler:

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