ML20038B745

LER 81-017/03L-0:on 810408,QA Audit Discovered That Temp of Cells Adjacent to Pilot Cell Had Not Been Taken,Per Tech Specs.Caused by Inadvertent Oversight Due to Inadequate Procedures.Change Will Be Implemented by June 1981

ML20038B745
Person / Time
Site:	Dresden
Issue date:	04/27/1981
From:	Holland P COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20038B735	List: ML20038B734 ML20038B745
References
LER-81-017-03L-05, LER-81-17-3L-5, NUDOCS 8112090069
Download: ML20038B745 (2)

Text

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l o l 21 I it discovered that temperature of the cells adiacent to the pilot cell had not beer i lo ta; [taken as required bv Tech. Spec. 4.9.B.l. There was no safetv sienificance since l l,,o,j,,5,j l this te perature is not used to correct srecific crwi ry reu4~e ns -% -4'e- cellj lo 66 l l There was no effect on public health or safety This wac tha firet occurrenta or l

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23 24 as se 37 ao *i 42 42 44 47 CAUSE CESCRIPriCN ANC CORRE~TivE ACTICNS h l i 101 1 The cause was an inadvertant overedcht ne the r e ~ d - a- a - - -n e --e in the rre ed-ra. I li ii l l The procedure has been chanced usine a te rorarv orecedure ck,-ca. A perranent I

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Commonwealth Ed.ison STA UNIT YEAR N O.

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.ilure To Meet D2 & D3 Batt. Surv. Requirements 4/8/81 0900

' 04:e rwg SYSTEM AFFECTED Batteries PLANT CONDITIONS TESTING D2 - Core UMoaled O y 24/48, 125, 250 VDC *un MODES PwotvAn 1935 , LOAD (MwE) 625 YES NO DESCAiPilON OF EVENT J zing a routine OA Audit. it was ciscovered that y e tecoerature of the cells adjacent to the pilot cell, had not been taken as required by rech. Spec. 4.9.B.l.

• DESCRIPTION OF CAUSE Unknown

'UTHER APPLICABLE INFORMATiON The to perature of the pilot cell was beint taken.

EQUIPMENT YES DR NO. WR NO.

FAILURE C NC NA NA e:SpONsiBLE SUPf avisOR CATE PART 2 l CPEPATING ENGINEERS CovvENTS A temporary procedure change will be initiated to ensure that the temp. of the cells adjacent to the pilot cells is taken.

SAFETv-TYPE OF CEVIATION EVENT OF POTENTrAL TEC* SPEC NON-REPORTABLE ANNUAL RELATED REPORTABLE OS URRENCE PUBLIC INTEREST VIOLATION OCCURRENCE REPOPTING AR ISSUED 10CFR21 34 ggy YES X YES ATION NC lXl30 CAY g , NO REPORTABLE CCCUPRENCE ACTION ITEM NO. PROMPT ON-SITE NOTiriCATION NUMBEP R. M. Ragan 4/9/81 11:30 TiTLc mir o'-r IRX 81-17/03L-0 ' '-

TITLE CATE TivE 24 HOUR NRC NOTI FICATION (Courtesy) PROMPT OFF-SITE NOTIFICATION TPd Tom Tongue 4-9-81 1130 F. Palmer 4/9/81 1:34 REGION lli CATE TIME TITLE DATE TIME T O.1 REGION lli & COL CATE TIME TITLE CATE TIME RESPONSt ELE COYP ANY OFFICE 9 INFOPvED OF 10 C F R 2 '

CONSITIONS AND THEIA CEDOCT TO Npc '

TITLE DATE T ^'t REVIEW AND CCVPLETE.u Michael Wri2ht 4/9/81 OPERATING EN3.NEEA CATE

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