ML20054A975

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LER 82-008/03L-0:on 820309,during Routine Startup,Rhr Pump C Discharge Check Valve Found Not Properly Seating.Caused by Loose Disc Nut & Disc Holder.Fasteners Tightened & Disc Nut Pinned
ML20054A975
Person / Time
Site:  Constellation icon.png
Issue date: 04/07/1982
From: W. Verne Childs
POWER AUTHORITY OF THE STATE OF NEW YORK (NEW YORK
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20054A973 List:
References
LER-82-008-03L, LER-82-8-3L, NUDOCS 8204160251
Download: ML20054A975 (1)


Text

NRC FORM 366 U. S. NUCLE AR REGULATORY COMMISSION (77H LICENSEE EVENT REPORT CONTROL BLOCK: l 1

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(PLEASE PRINT On TYPF ALL REQUIRED INFORMATION) j o l t l l N l Y l J l A l F l I l@l 0 l0 l- l0 l0 l0 l0 l -l O! 0l26 0l@l 26 hl 1l Il Il 1l@l$7 LAl T 63l@

LICENSE TYPE JO 7 8 9 LICENSEE CCDE 14 15 UCENSE NU?.1SE R CON'T I0Iil So[,RC, l L j@[0 l 5 l 0 l 0 10 l 3 13 l 3 }@l 01 31 Ol 91 81 742)@l0 75 I 4REPORT 10 lC7ATEI R l 283 l@

7 8 60 61 DOCKET Nuv6 ER 68 69 EVENT O ATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h Io 121 l During routine startup operations, following surveillance, personnel noted that I go i3i i RHR Pump C discharge check valve was- not properly seating. Investigation and 1

[ o i ., ; i repair required that RHR Pump C be made inoperable when required by TS 3.5. A.3. I

, io is; i No significant hazard existed. I I

10161I I

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l 0 la l I 80 7 8 9 CE CCOE SLBC E COMPONENT CODE SLBC dE S' E loisl l Cl Fl@ l Bl@ l A l@ l V I A I L l V i E l X l@ l Cl@ (Aj 14 13 20 7 8 9 10 11 12 13 SEQUENTI A L OCCU R R E NCE REPCRT AEvisiCN

_ EVENT YEAR REPORT NO. CCOE TYPE NC.

@ ;LER <;g90 1812I l-l 10lol81 l/l 1013I IL I l-l Laj

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43 44 47 CAUSE OESCRIPTION AND CORRECTIVE ACTIONS h i, i a i j A loose disc nut and loose disc holder allowed improper disc seating. Tightening i i, ,, j i of fasteners and pinning of the disc nut corrected the problem. Since the valve I j ,,,,,i also required repair in January 1982, evaluation of possible modification  !

,,;3 j of valve. internals has been initiated. l l

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l i 141 I 80 7 3 g STA 5  % *7A E R OTHER STA TUS ISCOV Y DISCQVERV DESCRIPT:CN NA Operator Observation l Ii Is l l C l@ l 0l ll 2l@l l l A l@l ACTIVtTY CO TENT RELEASEC 08 RELE ASE AMOUNT OF ACTLVITY LOCATION CF RELEASE l

lil6l 7 8 9 h IJ hl11 NA 44 l l 45 Ma 80 l

! PERSCNNEL EXPCSURES l NOV6ER Type DESCRI' TION 39 l

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,ER $0NN E L ,N;u'!, ES NUveER oESCR,PTicN@

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LCS$ CF CR DAYAGE TO FACILITY Q TY C E SCP S 110N  %./

NA I l i 191 J 8 9 l z'El@l 10 SJ PU S LIC;TY Npc ySE cyty ISSUED C E SC R;P TION 4 1,4ei i N II21 NA 1 ll1llIl!!III l2 8204160251 820407 6a 6a ao ;

DR ADOCK 05000 4 Verne Childs ,way s. 115- %2-3 N E,

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