05000315/LER-1980-023, Forwards LER 80-023/03L-0

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Forwards LER 80-023/03L-0
Person / Time
ML17331A470
Site:	Cook
Issue date:	10/03/1980
From:	Shaller D INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17331A471	List: 05000315/LER-1980-023, Forwards LER 80-023/03L-0 05000315/LER-1980-023-03, /03L-0:on 800916,steam Generator 2 Channel 3 Level Indication Was Found to Be Indicating 6% Lower than Other Channels.Caused by Pinhole Leak in Impulse Line at Socket Weld.Repaired & Returned to Svc
References
NUDOCS 8010090369
Download: ML17331A470 (2)
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LER-1980-023, Forwards LER 80-023/03L-0

Event date:
Report date:
3151980023R00 - NRC Website
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text

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~ yzfp INDIANA & MICHIGANEIECTRIC COMPA0Y DONALDC. COOK NUCLEARPLANT P.O. Box 468, Bridgman, Michigan 49106 (616) 465-6901 October 3, 1980 Mr. J.G.

Keppler, Regional Director Office of Inspection and Enforcement United States Nuclear Regulatory Commission Region III 799 Roosevelt Road Glen Ellyn, IL 60137 Operating License DPR-58 Docket No. 50-315

Dear Mr. Keppler:

Pursuant to the requirements of the Appendix A Technical Specifications, the following report/s are submitted:

RO 80-023/03L-0 Sincerely,

~ D.V. Shaller Plant Manager

/bab cc:

J.E.

Dolan R.S.

Hunter R.W. Jurgensen R.F. Kroeger R.W. Kilburn E. Swanson/N.

DuBry RO: III R.C. Callen MPSC G. Charnoff, Esq.

G. Olson J.M. Hennigan W. Lavallee EPRI P NSRC J.F. Stietzel E. L. Townley Dir., IE (30 copies)

Dir., MIPC (3 copies)

OCT.

0. $80 Pc/oooo st

i

Licensee Event Report

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		Reporting criterion
05000316/LER-1980-001, Forwards Updated LER 80-001/03X-1	Forwards Updated LER 80-001/03X-1
05000315/LER-1980-001-03, /03L-0:on 800123,while Performing Airlock Seal Leak Rate Testing,Inner Airlock Declared Inoperable.Caused by Broken Adjustment Bolt.Bolt Will Be Replaced During Next Unit Refueling Outage	/03L-0:on 800123,while Performing Airlock Seal Leak Rate Testing,Inner Airlock Declared Inoperable.Caused by Broken Adjustment Bolt.Bolt Will Be Replaced During Next Unit Refueling Outage
05000316/LER-1980-001-03, /03L-0:on 800119,during Normal Startup & W/Power Level at Approx 10%,steam Generators Fed Too Much Feedwater Flow Resulting in Drop in Temp Average to 539 F.Cause Not Stated	/03L-0:on 800119,during Normal Startup & W/Power Level at Approx 10%,steam Generators Fed Too Much Feedwater Flow Resulting in Drop in Temp Average to 539 F.Cause Not Stated
05000316/LER-1980-002, Forwards LER 80-002/03L-0	Forwards LER 80-002/03L-0
05000316/LER-1980-002-03, /03L-0:on 800115,during Integrity Testing of South Safety Injection Train,Excessive Leakage from Safety Injection Valve to Pressurizer Relief Tank Observed.Caused by Undersized Disc Insert.Disc Insert & Nozzle Replaced	/03L-0:on 800115,during Integrity Testing of South Safety Injection Train,Excessive Leakage from Safety Injection Valve to Pressurizer Relief Tank Observed.Caused by Undersized Disc Insert.Disc Insert & Nozzle Replaced
05000315/LER-1980-002-03, /03L-0:on 800125,during Normal Operation,Loop 3 T-average & delta-T Indication Decreased & Determined Inoperable.Caused by Resistance Temp Detector Producing Erroneous Temp Readings.Detector Was Replaced	/03L-0:on 800125,during Normal Operation,Loop 3 T-average & delta-T Indication Decreased & Determined Inoperable.Caused by Resistance Temp Detector Producing Erroneous Temp Readings.Detector Was Replaced
05000316/LER-1980-003-03, /03L-0:on 800124,during Surveillance Test,Turbine Driven Auxiliary Feed Pump Trip & Throttle Valve Unlatched. Caused by Burned Up Reset Coil on Trip & Throttle Valve Linkage.Linkage Not Engaging Due to Worn Mating Surfaces	/03L-0:on 800124,during Surveillance Test,Turbine Driven Auxiliary Feed Pump Trip & Throttle Valve Unlatched. Caused by Burned Up Reset Coil on Trip & Throttle Valve Linkage.Linkage Not Engaging Due to Worn Mating Surfaces
05000316/LER-1980-003, Forwards LER 80-003/03L-0	Forwards LER 80-003/03L-0
05000315/LER-1980-003-03, /03L-0:on 800219,found Spent Fuel Pit Area Monitor Indicating Erratically & High Radiation Alarm On.Caused by Bad Detector Tube.Detector Tube Replaced & Normal Operation Verified	/03L-0:on 800219,found Spent Fuel Pit Area Monitor Indicating Erratically & High Radiation Alarm On.Caused by Bad Detector Tube.Detector Tube Replaced & Normal Operation Verified
05000315/LER-1980-003, Forwards LER 80-003/03L-0	Forwards LER 80-003/03L-0
05000316/LER-1980-004, Forwards LER 80-004/03L-0	Forwards LER 80-004/03L-0
05000316/LER-1980-004-03, /03L-0:on 800202,during Normal Operation,While Investigating Problem W/Test Circuit for B Main Turbine Stop Valve,Found Mounting Bracket for Proximity Switch Failed. Caused by Loosened Mounting Assembly Due to Vibration	/03L-0:on 800202,during Normal Operation,While Investigating Problem W/Test Circuit for B Main Turbine Stop Valve,Found Mounting Bracket for Proximity Switch Failed. Caused by Loosened Mounting Assembly Due to Vibration
05000315/LER-1980-004, Forwards LER 80-004/03L-0	Forwards LER 80-004/03L-0
05000315/LER-1980-004-03, While Performing Scan Sequence, One of Two Detectors in Use for Axial Power Distribution Monitoring Sys Became Inoperable.Caused by Stretched Helex in Detector & Damaged Drive Wheel	While Performing Scan Sequence, One of Two Detectors in Use for Axial Power Distribution Monitoring Sys Became Inoperable.Caused by Stretched Helex in Detector & Damaged Drive Wheel
05000315/LER-1980-005-03, /03L-0:on 800321,discovered That Unit 1 Axial Power Distribution Monitoring Sys & P-250 Axial Power Distribution Monitoring Sys Limits Were Incorrect.Caused by Personnel Using Unit 2 Fq & K(Z) Limits in Computer Program	/03L-0:on 800321,discovered That Unit 1 Axial Power Distribution Monitoring Sys & P-250 Axial Power Distribution Monitoring Sys Limits Were Incorrect.Caused by Personnel Using Unit 2 Fq & K(Z) Limits in Computer Program
05000316/LER-1980-005-03, /03L-0:on 791113,re-evaluation of Calibr Data Taken During Last Refueling Outage Revealed That Steam Line Pressure Transmitter Data Would Result in Nonconservative Differential Steam Line Pressure Setpoint for Loops 3 & 4	/03L-0:on 791113,re-evaluation of Calibr Data Taken During Last Refueling Outage Revealed That Steam Line Pressure Transmitter Data Would Result in Nonconservative Differential Steam Line Pressure Setpoint for Loops 3 & 4
05000315/LER-1980-006-03, /03L-0:on 800324,during Surveillance Test,Unit 1 650-ft Elevation Airlock Door Leakage of 130CFH Was Found.No Cause for Leak Found.Retest Performed W/Satisfactory Results	/03L-0:on 800324,during Surveillance Test,Unit 1 650-ft Elevation Airlock Door Leakage of 130CFH Was Found.No Cause for Leak Found.Retest Performed W/Satisfactory Results
05000316/LER-1980-006-03, /03L-0:on 800129,during Surveillance Test on Pressurizer Pressure Protection Set 3,discovered That Bistable 2 PB-457D Tripped at Value Exceeding Tech Specs. Cause Unknown.Bistable Set within Allowable Values	/03L-0:on 800129,during Surveillance Test on Pressurizer Pressure Protection Set 3,discovered That Bistable 2 PB-457D Tripped at Value Exceeding Tech Specs. Cause Unknown.Bistable Set within Allowable Values
05000315/LER-1980-007, Forwards LER 80-007/03L-0	Forwards LER 80-007/03L-0
05000316/LER-1980-007-03, /03L-0:on 800129,during Surveillance Test, Containment Isolation Valve NCR-252 Did Not Close Fully. Cause Unknown.New Diaphragm Placed in Valve Operator.Valve Restroked & Timed Before Returning to Svc	/03L-0:on 800129,during Surveillance Test, Containment Isolation Valve NCR-252 Did Not Close Fully. Cause Unknown.New Diaphragm Placed in Valve Operator.Valve Restroked & Timed Before Returning to Svc
05000315/LER-1980-007-03, /03L-0:on 800326,while Revising Surveillance Test Procedure for Containment Spray Sys,Some Valves in Sys Flow Path Were Discovered Not Being Cycled at Required Intervals. Caused by Personnel Overlooking Test Frequency Differ	/03L-0:on 800326,while Revising Surveillance Test Procedure for Containment Spray Sys,Some Valves in Sys Flow Path Were Discovered Not Being Cycled at Required Intervals. Caused by Personnel Overlooking Test Frequency Differences
05000315/LER-1980-008, Forwards LER 80-008/03L-0	Forwards LER 80-008/03L-0
05000316/LER-1980-008, Forwards LER 80-008/03L-0	Forwards LER 80-008/03L-0
05000315/LER-1980-008-03, /03L-0:on 800418,during Calibr of Containment Atmosphere Particulate Radiation Monitor R-11,detector Tube Found to Be Bad.Caused by Normal End of Life.Tube Replaced & Sys Placed Back Into Operation	/03L-0:on 800418,during Calibr of Containment Atmosphere Particulate Radiation Monitor R-11,detector Tube Found to Be Bad.Caused by Normal End of Life.Tube Replaced & Sys Placed Back Into Operation
05000316/LER-1980-008-03, /03L-0:on 800201,review of 791102 Test Procedure Indicated as-found Data for Loop 1,channel 1,reactor Coolant Flow Transmitter Found 3.8% Out of Calibr.Caused by Transmitter Drift.Transmitter Recalibr	/03L-0:on 800201,review of 791102 Test Procedure Indicated as-found Data for Loop 1,channel 1,reactor Coolant Flow Transmitter Found 3.8% Out of Calibr.Caused by Transmitter Drift.Transmitter Recalibr
05000316/LER-1980-009-03, /03L-0:on 800208,during Normal Operation,Steam Generator 3 Level Indication Became Erratic & Was Declared Inoperable.Caused by Faulty Transmitter.New Transmitter Installed	/03L-0:on 800208,during Normal Operation,Steam Generator 3 Level Indication Became Erratic & Was Declared Inoperable.Caused by Faulty Transmitter.New Transmitter Installed
05000315/LER-1980-009, Forwards LER 80-009/03L-0	Forwards LER 80-009/03L-0
05000315/LER-1980-009-03, /03L-0:on 800428,while Performing Spent Fuel Pit Exhaust Fan Test,Charcoal Bed Exhaust Damper Would Not Fully Open.Caused by Loose Tip of Charcoal Bed Exhaust Damper Rubbing Against Filter Housing.Loose Portion Removed	/03L-0:on 800428,while Performing Spent Fuel Pit Exhaust Fan Test,Charcoal Bed Exhaust Damper Would Not Fully Open.Caused by Loose Tip of Charcoal Bed Exhaust Damper Rubbing Against Filter Housing.Loose Portion Removed
05000316/LER-1980-009, Updated LER 80-009/3X-1:on 800208,steam Generator 3 Level Indication Became Erratic & Declared Inoperable.Caused by Barton Model 764 Transmitter Due to Design Problem in Foxboro Model 610A Power Supplies.Transmitter Replaced	Updated LER 80-009/3X-1:on 800208,steam Generator 3 Level Indication Became Erratic & Declared Inoperable.Caused by Barton Model 764 Transmitter Due to Design Problem in Foxboro Model 610A Power Supplies.Transmitter Replaced
05000316/LER-1980-010, Forwards LER 80-010/03L-0	Forwards LER 80-010/03L-0
05000316/LER-1980-010-03, /03L-0:on 800216,during Surveillance Test,Suction Valve VMO-102 for Containment Equalization Fan HV-CEQ-2 Failed to Open,Making Air Recirculation Sys Inoperable. Caused by Maladjusted Torque Switch in Motor Operator	/03L-0:on 800216,during Surveillance Test,Suction Valve VMO-102 for Containment Equalization Fan HV-CEQ-2 Failed to Open,Making Air Recirculation Sys Inoperable. Caused by Maladjusted Torque Switch in Motor Operator
05000315/LER-1980-010-03, /03L-0:on 800522,during Ice Condenser Insp,Eight Intermediate Deck Doors Were Found Frozen & Considered Inoperable Per Tech Spec.Caused by Condensation on Top Deck Door Divider Beam.Design Change Requested	/03L-0:on 800522,during Ice Condenser Insp,Eight Intermediate Deck Doors Were Found Frozen & Considered Inoperable Per Tech Spec.Caused by Condensation on Top Deck Door Divider Beam.Design Change Requested
05000315/LER-1980-010, Forwards LER 80-010/03L-0	Forwards LER 80-010/03L-0
05000315/LER-1980-011, Forwards LER 80-011/03L-0	Forwards LER 80-011/03L-0
05000315/LER-1980-011-03, /03L-0:on 800531,w/unit in Shutdown Mode, Containment Atmosphere Air Particulate & Gaseous Radiation Monitoring Sys Pump Tripped on Low Flow.Caused by Inaccurate Flowmeter.Flowmeter Replaced	/03L-0:on 800531,w/unit in Shutdown Mode, Containment Atmosphere Air Particulate & Gaseous Radiation Monitoring Sys Pump Tripped on Low Flow.Caused by Inaccurate Flowmeter.Flowmeter Replaced
05000316/LER-1980-011, Forwards LER 80-011/03L-0	Forwards LER 80-011/03L-0
05000316/LER-1980-011-03, /03L-0:on 800223,during Weekly Turbine Testing, Reduction in RCS Pressure Occurred.Pressure Dropped Below Min Tech Spec Limit.Caused by Tripped Supply Breakers Resulting in Inoperable Heaters.Breakers Reset	/03L-0:on 800223,during Weekly Turbine Testing, Reduction in RCS Pressure Occurred.Pressure Dropped Below Min Tech Spec Limit.Caused by Tripped Supply Breakers Resulting in Inoperable Heaters.Breakers Reset
05000315/LER-1980-012-03, /03L-0:on 800609,two Check valves,R-156 & R-157, Discovered Utilized as Containment Isolation Valves.Valves Were Not Included in Type C Leak Test Prior to Nov 1978. Type C Leak Test Performed & Check Valves Added	/03L-0:on 800609,two Check valves,R-156 & R-157, Discovered Utilized as Containment Isolation Valves.Valves Were Not Included in Type C Leak Test Prior to Nov 1978. Type C Leak Test Performed & Check Valves Added
05000316/LER-1980-012-03, /03L-0:on 800305,while Performing Surveillance Test,Steam Generator Water Level low-low Trip Bistable Found to Trip at 11:05% Narrow Range Instrument Span.Cause Unstated.Bistable Recalibr & Returned to Svc	/03L-0:on 800305,while Performing Surveillance Test,Steam Generator Water Level low-low Trip Bistable Found to Trip at 11:05% Narrow Range Instrument Span.Cause Unstated.Bistable Recalibr & Returned to Svc
05000316/LER-1980-012, Forwards LER 80-012/03L-0	Forwards LER 80-012/03L-0
05000316/LER-1980-013-03, /03L-0:on 800307,during Normal Operation,Circuit Breaker for R-11 & R-12 Sample Pump Tripped.Caused by Failure of Rubber Spider in Lovejoy L-100 Coupling.Complete Coupling Replaced & Air Sampler Tested	/03L-0:on 800307,during Normal Operation,Circuit Breaker for R-11 & R-12 Sample Pump Tripped.Caused by Failure of Rubber Spider in Lovejoy L-100 Coupling.Complete Coupling Replaced & Air Sampler Tested
05000315/LER-1980-013-03, /03L-0:on 800616,transmitter for Steam Generator Level Loop 4 (Blp 142) Found to Be Out of Spec Low.Cause Attributed to Instrument Drift.Transmitter,Barton Model 764 Recalibr & Returned to Svc	/03L-0:on 800616,transmitter for Steam Generator Level Loop 4 (Blp 142) Found to Be Out of Spec Low.Cause Attributed to Instrument Drift.Transmitter,Barton Model 764 Recalibr & Returned to Svc
05000315/LER-1980-014-03, /03L-0:on 800612,during Divider Barrier Seal Insp, Several Areas of Seal Found Cracked & Split.Cause of Seal Failure Unknown.Design Change Request Submitted to Investigate Alternate Matls	/03L-0:on 800612,during Divider Barrier Seal Insp, Several Areas of Seal Found Cracked & Split.Cause of Seal Failure Unknown.Design Change Request Submitted to Investigate Alternate Matls
05000316/LER-1980-014-03, /03L-0:on 800216,during Surveillance Test, Proximity Switch for D Main Turbine Stop Valve Fell Off Mounting Bracket.Caused by Threads in Mounting Bracket Being Stripped.Hole Retapped to Larger Size	/03L-0:on 800216,during Surveillance Test, Proximity Switch for D Main Turbine Stop Valve Fell Off Mounting Bracket.Caused by Threads in Mounting Bracket Being Stripped.Hole Retapped to Larger Size
05000315/LER-1980-015, Forwards LER 80-015/03L-0	Forwards LER 80-015/03L-0
05000316/LER-1980-015-03, /03L-0:on 800325,during Auxiliary Feed Pump Retest Auxiliary Feed Valve FMO-221 for Steam Generator 2 Did Not Operate.Caused by Armature Lead from Limitorque Valve Operator Being Pulled Out of Wire Lug.New Lug Crimped	/03L-0:on 800325,during Auxiliary Feed Pump Retest Auxiliary Feed Valve FMO-221 for Steam Generator 2 Did Not Operate.Caused by Armature Lead from Limitorque Valve Operator Being Pulled Out of Wire Lug.New Lug Crimped
05000316/LER-1980-015, Forwards LER 80-015/03L-0	Forwards LER 80-015/03L-0
05000315/LER-1980-015-03, /03L-0:on 800703,in Mode 6,train B Centrifugal Charging Pump Failed While Running Due to Broken Pump Shaft. Cause Unknown.Pump Rebuilt Using New Design Shaft	/03L-0:on 800703,in Mode 6,train B Centrifugal Charging Pump Failed While Running Due to Broken Pump Shaft. Cause Unknown.Pump Rebuilt Using New Design Shaft
05000315/LER-1980-016-03, /03L-0:on 800720,during Automatic Load Sequence Timing Relay Surveillance Test,Timer for 1E-MDAFP Exceeded Max Allowable Time.Caused by Instrument Drift.Timer Reset & Retested	/03L-0:on 800720,during Automatic Load Sequence Timing Relay Surveillance Test,Timer for 1E-MDAFP Exceeded Max Allowable Time.Caused by Instrument Drift.Timer Reset & Retested
05000315/LER-1980-016, Forwards LER 80-016/03L-0	Forwards LER 80-016/03L-0
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