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LER-1981-009, /03L-0:on 810408,during Fire Protection Spray Sys Surveillance Test,Eight Spray Nozzles for Engineered Safety Feature Charcoal Filter 1-HV-AES-1 Were Found Partially Plugged.Caused by Buildup of Debris in Nozzles.Sys Flushed |
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| 3151981009R03 - NRC Website |
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REGULATOR INFORMATION DISTRIBUTION b TEM (RIDS)
ACCESSION NBR:8105040066 DOC,DATEi 81/04/27'OTARIZED!
NO DOCKET, 0
(
FACIL;50 315 Donald C ~
Cook Nuclear Power Plant~
Unit 1< Indiana 05000315 AUTH BYNAME AUTHOR AFF lLIATION WIZNER e D ~ G e Indiana
& Michigan Electric Co, RECIP ~ NAME RECIPIENT AFFILIATION Region 3i Chicago<
Office" of the Director
SUBJECT:
LER 81-009/03L. Oion 810008~during fire protect'ion spray sys sur veillance~ testgeight spr ay nozzles for~ engineered safety feature charcoal filter 1
HV AES-1 wei e found partially plugged. Caused by buildup of debris in nozzles,Sys
- flushed, DISTRIBUTION CODE ~
A002S COPIES RECEIVEDtLTR
'NCL SIZE+"
'ITLE':
Incident Reports NOTES: I&E!3 copies all material.
05000315 RECIPIENT ID CODE/NAME; ACTION:
VARGAgSo OQ INTERNALS'/D COMP&STRU06" A/D MATL 8 QU08 A/D PLANT SYS10
~
A/D SFTY ASSE12'EOD ASLBP/J ~ HARD CHEM ENG BR 16 CORK PERF BR 18 DIR~i HUM FAC S21 EFF TR SYS BR23" GEOSC IENCES
$ 6 I&E 55 LIC GUID BR 30 MECH FNG BR 33'R ASSESS BR 35~
BR39 REG FI 01'OG EVA42 COPIES LTTR ENCL 3
3 1
1 1
1 1
1 1
3 3
1 1
1-1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
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1 RECIPIENT ID CODE/NAME A/D ENV TECH 07 A/D OP REACT009 A/D RAD PROT 11 ACC EVAI BR 14 AEOD/DMU AUX SYS BR 15 CONT SYS BR" 17 DIR p ENGINEERI20 DIR g SYS INTEG22 EQUIP QUAL BR25 I&C SYS BR 29 JORDANgE ~ /IE MATL ENG BR 32 NRC PDR 02 POWER SYS BR 36 REACT SYS BR 40 REL' RISK A 41 STRUCT ENG BR40 COPIES LTTR ENCL 1
1 1
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1 1
1 1
3 3
1 1.
1 1
1 1
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1 1
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1 EXTERNAL: ACRS NSIC t)6 05" 16 16 1
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@AD 05 1981 TOTAL NUMBER OF COPIES REQUIRED:
LTTR ~
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1 ee eHaen leat@la INDIANA& MIGHlGANELECTRIC COMPANY DONALDC. COOK NUCLEAR PLANT P.O. Box 458, Bridgman, Michigan 49106 (616) 465-5901 April 27, 1981 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 81-009/03L-O.
y 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.
J.M. Hennigan W. Lavallee EPRI PNSRC J.F. Stietzel E.L. Townley Dir., IE (30 copies)
Dir., MIPC (3 copies)
- APR 5 OJ 198t.
0
~ '
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NRC FORM 366 (7 77).
~
~0 7
8 CON'T
~01 7
8 LICENSEE EVENT REPORT QI
{PLEASE PRINT OR TYPE ALLREQUIRED INFORMATION)
I Qs 0
0 0
0 0
0 0
0 0
Qs 4
I I
I I ps~ps 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 CdNTROL BLOCK:
M I
D C
C 9
LICENSEE'ODE DURc
~LQB 0
5 0
0 0
3 1
5 00 4
0 8
8 1 0 Q
60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10 WHILE PERFORMING SURV.
TEST OF FIRE PROTECTION SPRAY SYSTEMS, 8 OF THE 72 SPRAY NOZZLES FOR ESF VENT.
CHARCOAL FILTER, 1-HV-AES-1 WERE FOUND PARTIALLY PLUGGED CONTRARY TO THE
~04 REQUIREMENTS OF T.S
~ 3.7
~ 9.2
~
THE VENT ~ UNIT WAS MADE INOPERABLE FOR 2
HOURS AND 15 MINUTES WHILE REPAIRS WERE MADE.
ACTION REQUIREMENTS WERE MET. PUBLIC HEALTH AND SAFE-
~06 TY WERE NOT AFFECTED.
THE NOZZLES WHICH WERE CLEAR PROBABLY WOULD HAVE PROVIDED AMPLE
~07 PROTECTION IN THE EVENT OF A FIRE.
THE REDUNDANT VENT. UNIT SPRAY NOZZLES WERE INSPEC-
~OB TED AND FOUND OPERABLE. SIMILAR EVENTS FOR DOCKET NO ~ 050-316: 81-008/03L-0 '.='
8 9
80 SYSTEM
CAUSE
CAUSE COMP VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE
~09 B
Qqq B
Qn
~CQ13 X
X X
X X
X Q>4
~ZQ>s ~2' 8
9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LER]RO EVENT YEAR REPORT NO.
CODE TYPE NO.
Qs sssss>
~BI
+
~00 9
21 22 23 24 26 27 28 29 30 31 32 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDP PRIME COMP.
COMPONENT TAKEN ACTION ON PLANT METHOD HOURS Q22 SUBMITTED FORM SUB.
SUPPLIER MANUFACTURER
~0pis ~ZQ>s gpss
~Zps' 0
0 0
~N pss
~Npzs
~AQ25 P
2 I
3 pss 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION ANDCORRECTIVE ACTIONS 27 o
THE MATERIAL WHICH WAS FOUND IN THE NOZZLES APPEARED TO BE WELDING SLAG SMALL SCALES OF RUST AND BITS OF PAPER WHICH APPARENTLY HAD NOT BEEN FLUSHED OUT OF THE SYSTEM.
THE SPRAY NOZZLES WERE ALL REMOVED AND CLEANED. THE SYSTEM I'tAS FLUSHED WITH AIR.
3 4
7 8
9 FACILITY STATUS BBPOWER OTHER STATUS Q
~Epss
~10 0
pss NA 7
8 9
10 12 13 44 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITYQ
~Z Qss
~ZQ34 NA 7
8 9
10 44 PERSONNEL EXPOSURES NUMBER TYPE
DESCRIPTION
~00 0 Q>>gpss NA 7
8 9
11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTION 41 s
~00 0
Qss NA 7
8 9
11 12
" LOSS OF OR DAMAGETO FACILITY 43 TYPE
DESCRIPTION
0 Z Q4'A 7
8 9
10 PUBLICITY ISSUED DESCRIPTION9
~20
~Q44 7
8 9
10 NAME OF PRFPARER DAVID G.
WIZNER 80 80 45 80 80 80 80 NRC USE ONLY ss I
BOER g 0L 68 69
- PHQNE, 6 16 465 5901 METHOD OF DISCOVERY DISCOVERY DESCRIPTION Q32
~BQ31 18 MONTH SURVEILLANCE TEST 45 46 LOCATIONOF RELEASE Q36 A
(5
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| 05000315/LER-1981-001, Forwards LER 81-001/03L-0 | Forwards LER 81-001/03L-0 | | | 05000316/LER-1981-001-03, /03L-0:on 810103,annunciator Indicated Loss of Control Voltage to West RHR Pump,Making Train of RHR Inoperable.Caused by Loose Fuse Clip on Main Control Fuses. Clip Adjusted & Breaker Cycled.Pump Placed on mini-flow | /03L-0:on 810103,annunciator Indicated Loss of Control Voltage to West RHR Pump,Making Train of RHR Inoperable.Caused by Loose Fuse Clip on Main Control Fuses. Clip Adjusted & Breaker Cycled.Pump Placed on mini-flow | | | 05000315/LER-1981-001-03, /03L-0:on 810112,boron Concentration in Boron Injection Tank & North Boric Acid Storage Tank Found Diluted Below Tech Spec Level.Cause Unknown.Boron Concentration Increased | /03L-0:on 810112,boron Concentration in Boron Injection Tank & North Boric Acid Storage Tank Found Diluted Below Tech Spec Level.Cause Unknown.Boron Concentration Increased | | | 05000316/LER-1981-001, Forwards LER 81-001/03L-0 | Forwards LER 81-001/03L-0 | | | 05000316/LER-1981-001-04, No Apparent Flow Observed Through Radiation Monitor R-19 from Steam Generator 21. Caused by Bad Diaphragm in roto-meter Flow Regulator.Flow Meters to Radiation Monitor to Be Modified | No Apparent Flow Observed Through Radiation Monitor R-19 from Steam Generator 21. Caused by Bad Diaphragm in roto-meter Flow Regulator.Flow Meters to Radiation Monitor to Be Modified | | | 05000315/LER-1981-001-04, /04L-0:on 810313 & 0224,unplanned & Unsampled Radioactive Gases Found Released.Caused by Excessive Leakage from Reciprocating Charging Pump Stuffing Box & Leaking Isolated Gas Decay Tank Valves | /04L-0:on 810313 & 0224,unplanned & Unsampled Radioactive Gases Found Released.Caused by Excessive Leakage from Reciprocating Charging Pump Stuffing Box & Leaking Isolated Gas Decay Tank Valves | | | 05000315/LER-1981-002, Forwards Updated LER 81-002/03X-1 & LERs 82-031/03L-0, 82-032/03L-0 & 82-033/03L-0 | Forwards Updated LER 81-002/03X-1 & LERs 82-031/03L-0, 82-032/03L-0 & 82-033/03L-0 | | | 05000316/LER-1981-002-03, /03L-0:on 810103,east Motor Auxiliary Feed Pump Inoperable.Caused by Repair of Emergency Leakoff Line Check Valve FW-153.Check Valve Disc Replaced,Seat Lapped & Spool Piece Installed in Place of Strainer | /03L-0:on 810103,east Motor Auxiliary Feed Pump Inoperable.Caused by Repair of Emergency Leakoff Line Check Valve FW-153.Check Valve Disc Replaced,Seat Lapped & Spool Piece Installed in Place of Strainer | | | 05000316/LER-1981-002, Forwards LER 81-002/03L-0 | Forwards LER 81-002/03L-0 | | | 05000316/LER-1981-003, Forwards LER 81-003/03L-0 | Forwards LER 81-003/03L-0 | | | 05000315/LER-1981-003, Forwards LER 81-003/03L-0 | Forwards LER 81-003/03L-0 | | | 05000315/LER-1981-003-03, /03L-0:on 810212,during Normal Operations,Control Room Cable Vault Left Unattended W/No Fire Watch Posted While Access Door Was Sealed for Testing.Caused by Misunderstanding of Tech Spec 3.7.10.Personnel Reinstructed | /03L-0:on 810212,during Normal Operations,Control Room Cable Vault Left Unattended W/No Fire Watch Posted While Access Door Was Sealed for Testing.Caused by Misunderstanding of Tech Spec 3.7.10.Personnel Reinstructed | | | 05000316/LER-1981-003-03, /03L-0:on 810217 & 0301,ESW Pump 2-E Found Inoperable.Caused by Closed Inlet & Outlet Slide Gate Valves to Strainers on Discharge of ESW Pumps Due to Defective Agastat Timer.Timer Replaced & Backwash Sys Cycled | /03L-0:on 810217 & 0301,ESW Pump 2-E Found Inoperable.Caused by Closed Inlet & Outlet Slide Gate Valves to Strainers on Discharge of ESW Pumps Due to Defective Agastat Timer.Timer Replaced & Backwash Sys Cycled | | | 05000316/LER-1981-004, Forwards LER 81-004/03L-0 | Forwards LER 81-004/03L-0 | | | 05000316/LER-1981-004-03, /03L-0:on 810308,ISI Data Review for Ba Transfer Pump 3 Was Not Reviewed within 96-h Time Limit.Caused by Test Data Being Inadvertently Overlooked by Technical Inservice Insp Coordinator.Card File Developed | /03L-0:on 810308,ISI Data Review for Ba Transfer Pump 3 Was Not Reviewed within 96-h Time Limit.Caused by Test Data Being Inadvertently Overlooked by Technical Inservice Insp Coordinator.Card File Developed | | | 05000315/LER-1981-004-03, /03L-0:on 810328,east Motor Driven Auxiliary Feed Pump Found Removed from Svc Twice for Repairs to ESW 4-inch Centerline Supply valve,WMO-754.Caused by Valve Stem Seized in Body & Twisted.Centerline Valve Replaced W/Pratt Va | /03L-0:on 810328,east Motor Driven Auxiliary Feed Pump Found Removed from Svc Twice for Repairs to ESW 4-inch Centerline Supply valve,WMO-754.Caused by Valve Stem Seized in Body & Twisted.Centerline Valve Replaced W/Pratt Valve | | | 05000316/LER-1981-005-01, /01T-0:on 810331,spray Additive Tank Level Found Below Tech Spec Limit During Removal of Magnetrol for 18 Month Surveillance.Caused by Absence of Alarm Due to Contacts Wired Backwards.Tank Refilled | /01T-0:on 810331,spray Additive Tank Level Found Below Tech Spec Limit During Removal of Magnetrol for 18 Month Surveillance.Caused by Absence of Alarm Due to Contacts Wired Backwards.Tank Refilled | | | 05000315/LER-1981-005, Forwards LER 81-005/03L-0 | Forwards LER 81-005/03L-0 | | | 05000315/LER-1981-005-03, /03L-0:on 810314,breakers for Five Specified Motor Operator Valves Mistakenly Opened in Unit 1 Instead of Unit 2.Caused by Personnel Error.Operator Disciplined & Warning Ltr Issued to Operating Shifts | /03L-0:on 810314,breakers for Five Specified Motor Operator Valves Mistakenly Opened in Unit 1 Instead of Unit 2.Caused by Personnel Error.Operator Disciplined & Warning Ltr Issued to Operating Shifts | | | 05000316/LER-1981-005, Describes 810331 Incident Reported in LER 81-005/01T-0 Re Spray Additive Tank Level | Describes 810331 Incident Reported in LER 81-005/01T-0 Re Spray Additive Tank Level | | | 05000316/LER-1981-006-03, /03L-0:on 810316,during Automatic Load Sequence Surveillance Test,Safety Injection Sys Relay Timers Exceeded Tolerance Allowed by Tech Specs.Caused by Instrument Drift. Component Cooling Water Pump 2E Timer Replaced | /03L-0:on 810316,during Automatic Load Sequence Surveillance Test,Safety Injection Sys Relay Timers Exceeded Tolerance Allowed by Tech Specs.Caused by Instrument Drift. Component Cooling Water Pump 2E Timer Replaced | | | 05000315/LER-1981-006, Forwards Updated LER 81-006/03X-1 & LER 81-059/03L-0 | Forwards Updated LER 81-006/03X-1 & LER 81-059/03L-0 | | | 05000315/LER-1981-006-03, /03L-0:on 810317,ground Detected & Traced to Power Cable for Motor Operated Isolation valve,IMO-910,in Flowpath from RWST to Centrifugal Charging Pumps.Caused by Cable Damaged Near Termination at Motor Operator Junction Box | /03L-0:on 810317,ground Detected & Traced to Power Cable for Motor Operated Isolation valve,IMO-910,in Flowpath from RWST to Centrifugal Charging Pumps.Caused by Cable Damaged Near Termination at Motor Operator Junction Box | | | 05000315/LER-1981-007-03, /03L-0:on 810318,loop 2 T-average & delta-T Indicated Low Temps.Caused by Resistance Temp Detector Producing Erroneous Temp Readings.Detector Replaced & Trip Setpoints Verified | /03L-0:on 810318,loop 2 T-average & delta-T Indicated Low Temps.Caused by Resistance Temp Detector Producing Erroneous Temp Readings.Detector Replaced & Trip Setpoints Verified | | | 05000316/LER-1981-007-03, /03L-0:on 810315 During Operation of 2CD Emergency Diesel in Preparation for Surveillance,Hot Starting Air Line Observed.Caused by Valve Damage & Exhaust Expansion Joint Inner Liner Failure.Intake & Exhaust Valves Replaced | /03L-0:on 810315 During Operation of 2CD Emergency Diesel in Preparation for Surveillance,Hot Starting Air Line Observed.Caused by Valve Damage & Exhaust Expansion Joint Inner Liner Failure.Intake & Exhaust Valves Replaced | | | 05000315/LER-1981-007, Forwards LER 81-007/03L-0 | Forwards LER 81-007/03L-0 | | | 05000315/LER-1981-008, Forwards LER 81-008/03L-0 | Forwards LER 81-008/03L-0 | | | 05000316/LER-1981-008-03, /03L-0:on 810407,during Fire Protection Spray Sys Surveillance Test,Eight Spray Nozzles for Engineered Safety Features Vent Charcoal Filter 2-HV-AES-1 & 14 Nozzles for 2-HV-AES-2 Were Found Partially Plugged.Sys Flushed | /03L-0:on 810407,during Fire Protection Spray Sys Surveillance Test,Eight Spray Nozzles for Engineered Safety Features Vent Charcoal Filter 2-HV-AES-1 & 14 Nozzles for 2-HV-AES-2 Were Found Partially Plugged.Sys Flushed | | | 05000315/LER-1981-008-03, /03L-0:on 810317,large Piece of Herculite Found Securely Fastened in Canopy Fashion Over Walkway & Plastic Pail Found in Vicinity of Lower Ice Condenser Access Door. Cause Not Determined.Canopy Disassembled & Bucket Removed | /03L-0:on 810317,large Piece of Herculite Found Securely Fastened in Canopy Fashion Over Walkway & Plastic Pail Found in Vicinity of Lower Ice Condenser Access Door. Cause Not Determined.Canopy Disassembled & Bucket Removed | | | 05000316/LER-1981-008, Forwards LER 81-008/03L-0 | Forwards LER 81-008/03L-0 | | | 05000316/LER-1981-009, Confirms 810710 Verbal Rept to Region 3 Providing Correction to LER 81-09/03L-0.Written Revision to Be Submitted Under Separate Cover | Confirms 810710 Verbal Rept to Region 3 Providing Correction to LER 81-09/03L-0.Written Revision to Be Submitted Under Separate Cover | | | 05000316/LER-1981-009-03, /03L-0:on 810331,after Entering Mode 6 & Floodup of Reactor Cavity,Routine Analysis of RCS Indicated Chloride Concentration of 0.26 Ppm.Cause Is Undetermined. Contamination Was Reduced by Purification | /03L-0:on 810331,after Entering Mode 6 & Floodup of Reactor Cavity,Routine Analysis of RCS Indicated Chloride Concentration of 0.26 Ppm.Cause Is Undetermined. Contamination Was Reduced by Purification | | | 05000315/LER-1981-009, Forwards LER 81-009/03L-0 | Forwards LER 81-009/03L-0 | | | 05000315/LER-1981-009-03, /03L-0:on 810408,during Fire Protection Spray Sys Surveillance Test,Eight Spray Nozzles for Engineered Safety Feature Charcoal Filter 1-HV-AES-1 Were Found Partially Plugged.Caused by Buildup of Debris in Nozzles.Sys Flushed | /03L-0:on 810408,during Fire Protection Spray Sys Surveillance Test,Eight Spray Nozzles for Engineered Safety Feature Charcoal Filter 1-HV-AES-1 Were Found Partially Plugged.Caused by Buildup of Debris in Nozzles.Sys Flushed | | | 05000315/LER-1981-010, Forwards LER 81-010/03L-0 | Forwards LER 81-010/03L-0 | | | 05000315/LER-1981-010-03, /03L-0:on 810414,root Isolation Valve for Containment Pressure Transmitter PPP-301 Was Found Closed. Cause Unknown.Valve Opened & Modified So That Valve Movement Will Be More Apparent | /03L-0:on 810414,root Isolation Valve for Containment Pressure Transmitter PPP-301 Was Found Closed. Cause Unknown.Valve Opened & Modified So That Valve Movement Will Be More Apparent | | | 05000316/LER-1981-010-03, /03L-0:on 810411,snubbers 1 & 29 Were Found Inoperable.Caused by Fluid Leak on 29 Due to Separation of Joint at End Seal O-ring.O-ring Replaced.Snubber 1 Upside Down Due to Loose Extension Rod Locknut.Locknut Tightened | /03L-0:on 810411,snubbers 1 & 29 Were Found Inoperable.Caused by Fluid Leak on 29 Due to Separation of Joint at End Seal O-ring.O-ring Replaced.Snubber 1 Upside Down Due to Loose Extension Rod Locknut.Locknut Tightened | | | 05000315/LER-1981-011, Forwards LER 81-011/03L-0 | Forwards LER 81-011/03L-0 | | | 05000316/LER-1981-011-03, /03L-0:on 810411,steam Line Pressure Transmitter MPP-210 Was Found Exceeding Allowable Value for Differential Pressure Between Steam Lines.Caused by Instrument Drift. Transmitter Recalibr | /03L-0:on 810411,steam Line Pressure Transmitter MPP-210 Was Found Exceeding Allowable Value for Differential Pressure Between Steam Lines.Caused by Instrument Drift. Transmitter Recalibr | | | 05000315/LER-1981-011-03, /03L-0:on 810413,while Examining Test Data from Type B & C Leak Rate Tests,Jul 1980 Test for Unit 1 Found to Have Exceeded Allowable Value of Tech Specs.Caused by Faulty NESW Check Valves.Valves Repaired | /03L-0:on 810413,while Examining Test Data from Type B & C Leak Rate Tests,Jul 1980 Test for Unit 1 Found to Have Exceeded Allowable Value of Tech Specs.Caused by Faulty NESW Check Valves.Valves Repaired | | | 05000316/LER-1981-012-03, /03L-0:on 810413,cracks Found in Divider Barrier Seal.Cause Unknown.Defective Portions Replaced | /03L-0:on 810413,cracks Found in Divider Barrier Seal.Cause Unknown.Defective Portions Replaced | | | 05000315/LER-1981-012-03, L-0:on 810428,Steam Generator 2,Channel 4 Level Indication Found Indicating High.Caused by Leak on Ref Line of Transmitter BLP-120.Leak Suspected Inside Containment & Will Be Corrected on Next Refueling Outage | L-0:on 810428,Steam Generator 2,Channel 4 Level Indication Found Indicating High.Caused by Leak on Ref Line of Transmitter BLP-120.Leak Suspected Inside Containment & Will Be Corrected on Next Refueling Outage | | | 05000315/LER-1981-012, Forwards LER 81-012/03L-0 | Forwards LER 81-012/03L-0 | | | 05000316/LER-1981-013-03, /03L-0:on 810428,all Charging Pumps Were Removed from Svc Contrary to Tech Spec Requirements.Caused by Leak on East Pump Discharge Isolation Valve CS-300E.Valve Repacked.Drain Valve CS-349 Also Repacked | /03L-0:on 810428,all Charging Pumps Were Removed from Svc Contrary to Tech Spec Requirements.Caused by Leak on East Pump Discharge Isolation Valve CS-300E.Valve Repacked.Drain Valve CS-349 Also Repacked | | | 05000316/LER-1981-013, Forwards LER 81-013/03L-0 | Forwards LER 81-013/03L-0 | | | 05000315/LER-1981-013, Forwards Revised LER 81-013/03X-1 & LER 81-023/03L-0 | Forwards Revised LER 81-013/03X-1 & LER 81-023/03L-0 | | | 05000315/LER-1981-013-03, Source Range Ni Channels Declared Inoperable.Caused by Defective Source Range Detector N-32 Possibly Due to Dried Moisture Connectors. Detector Replaced | Source Range Ni Channels Declared Inoperable.Caused by Defective Source Range Detector N-32 Possibly Due to Dried Moisture Connectors. Detector Replaced | | | 05000316/LER-1981-014, Forwards LER 81-014/03L-0 | Forwards LER 81-014/03L-0 | | | 05000315/LER-1981-014-03, /03L-0:on 810606,during Surveillance insp,non- Penetrating Cracks Were Found in Divider Barrier Seal.Cause Unknown.Defective Portions of Seal Replaced | /03L-0:on 810606,during Surveillance insp,non- Penetrating Cracks Were Found in Divider Barrier Seal.Cause Unknown.Defective Portions of Seal Replaced | | | 05000316/LER-1981-014-03, /03L-0:on 810415,steam Generator Level Protection Set 3 Transmitter BLP-142 Was Found Outside Tech Spec.Caused by Instrument Drift.Transmitter Recalibr | /03L-0:on 810415,steam Generator Level Protection Set 3 Transmitter BLP-142 Was Found Outside Tech Spec.Caused by Instrument Drift.Transmitter Recalibr | |
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