05000289/LER-1978-004-03, /03L-0:on 780117,while Closing Valve MU-V74A,22 Gallon Per Minute Packing Gland Leak Developed.Caused by Worn Packing in Valve.Valve Placed on Backseat.Packing Replaced 780118

/03L-0:on 780117,while Closing Valve MU-V74A,22 Gallon Per Minute Packing Gland Leak Developed.Caused by Worn Packing in Valve.Valve Placed on Backseat.Packing Replaced 780118

ML19261F267
Person / Time
Site:	Crane
Issue date:	02/03/1978
From:	Stevens R METROPOLITAN EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19261F265	List: 05000289/LER-1978-004, Forwards LER 78-004/03L-0 05000289/LER-1978-004-03, /03L-0:on 780117,while Closing Valve MU-V74A,22 Gallon Per Minute Packing Gland Leak Developed.Caused by Worn Packing in Valve.Valve Placed on Backseat.Packing Replaced 780118
References
LER-78-004-03L, LER-78-4-3L, NUDOCS 7910250707
Download: ML19261F267 (1)

LER-1978-004, /03L-0:on 780117,while Closing Valve MU-V74A,22 Gallon Per Minute Packing Gland Leak Developed.Caused by Worn Packing in Valve.Valve Placed on Backseat.Packing Replaced 780118

Event date:
Report date:
2891978004R03 - NRC Website

text

NRC FORM 366 NUCLEAR REGULATORY COMMISSION (7 77)

.lCENSEE EVENT REPORT e@

CONTNL stock: l l

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d 3 LICENSEE CCCE 14

S LICENSE NW8ER 25 26 L: CENSE TYPE 40 57 6AT id CCN'T l 1 ; 1 l 7 l 7 l 3 Ql 0 l2 l 0 l 3 l 7 l8 l@

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3 60 63 DCCK ET NLV8 Em 68 69 EVENT DATE 74 75 P E*OR T ATE 30 EV ENT OESCRIPTION AND PRCS ABLE CCNSECUENCES h a

l'Aile closing MJ 'nhA to iselste M'-plA for rerairsi,a 22 ; n rackin; elend le n I

i eveloped. The leak-off lasted approximatel r 12 minutes bef:re the valre was laced I

d o,a lCn its baOkseat. Similar events of thi3 070e: 77-31/31.

"'his event is retcrtable l

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lper T.S.

6. 9.2.3(2), under 100 T.S. 3.1. 6.1.

This event is also re;crtable ter 10 1

o 6s lCFR 20.h03 (b)(2) in that the sverare eeneentratiens in the area emeded eC0 tines thd o

7 Ivalues specified in Appendix 3, Table !!, Co'"~

0 T eakare was reu ed to the l'.CS f Ti a43 l processing and no threat to the health and safety of the public resulted.

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8 9 SYSTEM

CAUSE

CAUSE COMP.

VALVE CODE CCDE SUSCOCE COMPCNENT CODE SL8C00E SLBCOCE Ol3

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9 10 11 12 13 18 13 20 SE CUENTI AL CCOURRENCE REPCRT REVISION

_ EVENT YE AR REPORT NO.

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29 30 31 32 ACTION SUTURE EPPECT SHUTCOWN A *TACHMENT NPRO-4 PRIME COMP.

COMPONENT TAKEN

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26 31 40 41 42 43 44 47 CAUSE DESCRIPMON ANO CORRECTIVE ACTICNS h i

o [Ihe event was caused by vern packing in the valve. After the leak vas noted, the valve {

g, yas placed en its backseat. On 1-13-73 the packing was replaced.

Size: 3 inch: v de l e

pf actuation: =anual, re:Ote handvh-el, Sedy Material SS; Oesien Pressure: 3050 i

7 psi; Nrlear Class: II; Seismic Class:

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7 8 9 30 s act Lt TV VETwoo CP STATLS

% POWER CTwf R STATUS OISCOV E R Y DISCOVERY OESORIPTION 3e t l5 l El l1j0l0 l UA l

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7 8 9 to 12 11 44 45 46 83 ACT1vi' / CONTENT mELE43ED CP *ELEASE AMOUNT CP ACTivlTY LOCATICN C8 RELEASE 4 l Clh 3A l

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7 8 9 to 11 44 45 gn PERSCNNEL EXPCSURES NUM8ER TYPE OESOMIPTICN -

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LOSO CP CP DAMAGE TO FACILITY Q Tv'E

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