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| {{Adams
| | #REDIRECT [[05000259/LER-1982-040]] |
| | number = ML20054M905
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| | issue date = 07/08/1982
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| | title = LER 82-040/03L-0:on 820610,during Performance of Safety Instructions 4.7.D.1-B-1,1-FCV-77-2A Drywell Sump Pump Discharge to Radwaste Valve Failed to Close.Possibly Caused by Solenoid Air Routing Valve to FCV-77-2A Stuck Open
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| | author name = Burnette A
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| | author affiliation = TENNESSEE VALLEY AUTHORITY
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| | addressee name =
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| | addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
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| | docket = 05000259
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| | license number =
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| | contact person =
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| | document report number = LER-82-040-03L-01, LER-82-40-3L-1, NUDOCS 8207150118
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| | package number = ML20054M900
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| | document type = LICENSEE EVENT REPORT (SEE ALSO AO,RO), TEXT-SAFETY REPORT
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| | page count = 1
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| }}
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| | |
| =Text=
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| {{#Wiki_filter:NHC F OltM sa 17 77) it 'l NUCL E AR REGUL ATOR Y CO?.t'.11SSION LICEN">EE EVENT REPORT CONTROL BLOCie l ] l l l l l i e@ (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) l0 l 18 ]9 l A l (sCENSEE i
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| 23 N UCENSE TYPE Jo 57 t. A r 54 CON'T l0Ii]
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| # 8
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| fe9 14 7'a 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h 10 l 'i. I Du rine normal operation _ while performino ST 4.7.D.l.B-1. It was discovered that I lolal11-FCV-77-2A (drywell sumn numn discharRe to radwaste) would not close. FCV-77-2R l l o l a l l was closed to ensure primrv containment (T.S. 3.7.D.2). Closure of this valve l IoIsj lrendered the drywell sumn leak detection system inoperable. per T.S. 3.6.C.2, for I
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| CAUSE COYP COCE CODE SUBCODE CO*3PONENT CODE VALVE sus: ODE SUeCCO E la ni F 8 3l M I A l@ [FJ@ I n l@ l V l A l L l V l E l X l@l ') l X l@23U] @
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| 10 11 12 13 14 SE QUE NTI A L OCCURHENCE LE A PO EVENT YE AR REPORT RE VISION REPOR T NO. CODE
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| @ ,ag i 8l 21 L-J L0 14 10 1 l'l 10131 TYPE I30 Ll [-] [0l NO.
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| _ 21 n 2J 24 26 27 28 29 31 32 ACTION FUTJRE EFFFCT $HlfTOOWN T A N t re ACTION ON PLANT METHOD ATT ACHY E N T NPRD4 PRlYE CC'.1P CC'.*PON E N T HOUHS SUBYlTTED FORM SUS. SUPPLI E H MANUFACTURER lX l@!J4 Xl@ (Z__j@ lZ l@ l 0l 0l 0l l l Yl@ l4; N lQ lL l@
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| 33 35 36 3/ 40 41 43 lV 44 l 0 l 9 l 547lQ I
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| cAUSE DESCRIPTION AND CCRRECTIVE ACTIONS h ii )ollCause is unknown. Valve handswitch was actuated and the valve eventually cycled. I Iilil iSuspect solenoid air routinn valve to FCV-77-2A stuck open. Valve is a Versa, I l i I 71 I VSG-3521, 3 way, 115V solenoid valve. Valve will be cycled every two weeks 1 I i i a I l for two months to determine any recurring problems with the valve. l 1: 14 1l 4 8 3 l F ACillTY STATUS % PG.vf R
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| , UETHOD OF OTHE H ST A TUS DISC OV E R Y ji lsl W@ l Ol 9l 3!@l NA I l B l@l D'SCOVERY OESCniPTION Surveillance tests
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| =
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| PERSONNE t, E X PO$t;n ES 44 4 ';
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| ,SSU DESSmPT oNh PDR ADOCK8207150118 05000259 820708 *"
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| bH 0) 80 L l NAME Or PREPARER = A. L. Byr_notte _ _ _ _ . -r .f 205__? " 9 '"' r '
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| 1}}
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