ML19323E383

LER 80-019/01P-0:on 800516,AEOG Rad Monitors17-150 a & B Made Inoperative.Caused by Possible Hydrogen Recombination Before Aog Recombiners

ML19323E383
Person / Time
Site:	Vermont Yankee
Issue date:	05/19/1980
From:	Murphy W VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19323E379	List: ML19323E378 ML19323E383
References
LER-80-019-01P, LER-80-19-1P, NUDOCS 8005230472
Download: ML19323E383 (1)

Text

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LICENSEE EVENT REPORT LER 80-19/IP O Co~1 o< e<cC<: i i

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jo lt l l VI Tj Vl Yl Sl 1l@l0l0l-l0l0l0l0l0l-l0l0l@l4l1l1l1l1l@l 8 9 14 15 LICENSE NUM8ER 25 26 LICENSE TYPE J0 l

5 7 C A T Sd l@

7 LICENSEE CODE CcNr 10111 S$RN I Lhl 0l 5 l 0 l 0 l 0 j 2 ] 7 l 1 @l 0 ] S l 1 l 6 l 8 l 0 }@l 74 0 l 5 REPORT 75 l 1 l 9DATE l 8 ] O80l@

7 8 60 61 DOCKET NUMBER 68 69 EVENT DATE EVEN1 DFSCRIPTION AND PROBABLE CONSEQUENCES h 10l2] l A50G Rad Monitors17-150 A & B were made inoperative contrary to Tech. Spec. Table l 1o 13; I 3.2.4 requirements. Based on Off Gas System samples and stack gas monitors l

[O{4l l available, there were no adverse consequences to the public health or safety. l l

10151 I /

l 10!6l l l

10171 l I

10181 l 80 7 8 9 SYSTEM CAUSE CAUSE COVP VALV E CODE CODE SU0 CODE COMPONENT CODE SUSCODE SUSCODE 10191 7 8 i Mi al@ LxJ@ LzJ@ I z i z I z I z I z I z l@ l zl@ L2J 9 10 11 12 13 18 19 20

,_ SE QUENTI AL OCCU R R ENCE REPCRT ,

REVISION Lgg no EVENT YEAR REPORT NO. CODE TYPE N O.

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_. 21 18101 22 l-l 2J 101119I 24 26 l/l 27 I 01 il 28 29 lPI 30 l-l 31 l0 l 32 T K

• A T CN O PLANT M T HOURS SS I FOR d B. SLPPLIE MANLFACTURER

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J3 J4 l B lh JS l36Zl@ 31 l010l0l0l 40 W@

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44 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h 11 10 l I Of f Gas Samole valve OCS-520 was closed for anoroximatelv 10 mins. to helo evaluate I l'i1 Il teno. dron of a recombiner in A0G Svsten. Preliminarv investication shows nossibio I Ii12l 1 hydrogen recombination before AOC recombiners. Additional details of the cause I i i I 31 l description and a summarv of corrective actions t.aken will be orovided in the follow- l 1ilA i l un report. I 7 8 9 80 STA u  % PCWER OTHER STA TUS ISCO Y DISCOVERY DESCRIPTION I1 l5l[_gjh 'l1l0l0lhl NA l lZl@l NA l

ACTIVITY CO0 TENT RELEASED AVOUNT OF ACTIVITY LOCATION OF RELEASE NA l I1 7

l 6d 3l d h"F RELE ASEd@l 10 tt NA 44 l l 45* 80 l PERSONNEL EXPOSURES

' NUMBER C ESCRIPTION l1 l 7* l l 01 0l 0lh[TYPEJhl NA l

' PERSONNEL IN;URIES NUYSER DESCRIPTiCN NA l l' la I8 l9 01 01 Ol@l 7 11 12 80 LOSS OF OR DAMAGE TO FACIUTY Q l TYPE DESCRIPTION v l

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7 8 9 d hl to NA 30 l

iSSU DESCRIPTION 1: 101 LdE8l Status Phone i IIIIIIIIIIIII 7 8 9 10 68 69 80 5 NAME OF PREPARER NefY h E N"rphv PHONE: A0'- "7-7711 $

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