ML19351E960

LER 80-092/03L-0:on 801114,radiation monitor,RM-LW-104, Alarmed High,Cleared,Then Realarmed.Caused by Failure of Printed Circuit Board,Making High Alarm Input to Control Room Annunciator Inoperable.Printed Circuit Board Replaced

ML19351E960
Person / Time
Site:	Beaver Valley
Issue date:	12/12/1980
From:	Lacey W DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19351E953	List: ML19351E952 ML19351E955 ML19351E957 ML19351E960 ML19351E962 ML19351E964
References
LER-80-092-03L, LER-80-92-3L, NUDOCS 8012190596
Download: ML19351E960 (2)

Text

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l U.S. NUCLEA3 KEtuLATGGY COMMIS$10N t'AC 70AM 388 u.m '

LICENSEE EVENT REPORT iPtEASE mNr on rvPs 4tt afouinto IN,onMariom CoNract stoCm I I I I I 1 o i I P I A l ', IV I S 11 l@l 010 l- 1010101010 l- 1010ds l@l411WCENSE 28 11 11 Il l@lSi GAT Tvrt 40 I

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I. tS UCENSE Nw. wet A P 8 9 UC.'A$tt CCCE CON *r l La.LLJ 7 8 l's I L @l o i s 1010101313 80 el 00CKET %uwetm adI4 Gil li I t Is i s i o @l tMEPCATDATE 49 gvener oaft i. 75 i 21 il 21 al 01@ 80 EVENT DESCRIPr10N ANO P8108AeLE CONSEQUENCES h l

$ l Deirine liniiid waste discharze of [i.W-TK-7Al . Radiation Monitor [RM-T.W-1041 alarmed lTTTT l high. The high alarm cicated and then re-alarmed but did not actuate the control I l

l l o A Iroom annunciator.

The high high alarm annunciator and trip functions were verified l (RM-LW-1041 was declared out of service I

l o i s i l operable and the discharge was continued.

l l g i for maintenance and the diceharte was contintied in accordance with Environmental

[TT71 1 Technical specification 2.4.2.4. The health and safety of the general public were l I

f IoteIlnot jeopardized. 40 CAUSS COMP. VA LV E SYSTEas CAUSE suSCOQE SUSCODE COMPONENT CCD4 $USCCCE CCOE CoCE loist i MI Alh @,jh l Zlh l Il Nl SI Tl Rl Ulh l Xlh Q h 32 13 18 89 20 7 8 9 80 33 REVisloN SEoWENTIAL QCCURRENCE REPCar REPonT No. CODE Type No.

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= .i sa 2 2s x as 2 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 27

[TTTl l Failure of printed circuit board, making the high alarm input to the control room i I

W lannunciator inoperable. The printed circuit board was replaced.

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- spowea oTwensTATus @EsEoNv' oesCovanvoesCniefioN h i s Q @ l0l010l@l" N/A l W@l Special surveillance due to alarms **

l ACnviTv Cc5TsNT LOCATION oF MELEASE @

mataAsto or aELEASE AMOUNT oF ACTlvtTv l @ , l N/A I l 6 h-penso 'sL saposumes N/A l Numeen Tvet otsCairfio= @ l lol0l0 @lZl@l N/A "

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w* S* L#C*I 412-643-8525

~ ~ ~ ~ NAM (OP PM(PARER NONE.

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Attachment To LER 80-92/03L Beaver Valley Power Station l

, Duquesne Light Company

Docket No. 50-334 No further information is available or needed to satisfy the reporting requirement.

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