ML19309B564

LER 80-012/03L-0:on 800228,discovered That Weekly Surveillance Tests for Main Station & Diesel Generator Batteries Not Performed During Seventh Wk.Caused by Error in Personnel.Evaluation Will Be Made to Determine Improvements

ML19309B564
Person / Time
Site:	Oyster Creek
Issue date:	03/27/1980
From:	Ross D JERSEY CENTRAL POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19309B562	List: ML19309B561 ML19309B564
References
LER-80-012-03L, LER-80-12-3L, NUDOCS 8004040288
Download: ML19309B564 (3)

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EVENT CATE 74 75 REPCRT DATE 80 60 61 COCKETNUM8ER EVENT DESCRIPTION AND PROBABLE CCNSECUENCES h o f:l l On February 28, 1980, during review of the master surveillance schedule  !

iotall It was discovered that T.S.4.7.A.5 and 4.7.3.1 had been violated when f

[9 !4 ; ; the weekly surveillance tests for the main station and d: el generator l l 0 ,3 j batteries were not performed during week No. 7. The test was scheduled j i c ie ? ; to be performed on Friday, February 1, 1980, but due to rescheduling of t

_,; personnel for various outage jobs, the two surveillance tests were over- [

,, y looked. This was the only week in which the tests were not pe r fo rmed. j

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44 47 CAUSE cEs PtPTICN AND CoARECTIVE ACTIONS h lilol l The m ie of this occurrence can be attributed to the failure of oiant i I

i i 13 1l cersonnel to adhere to the distributed surveillance senedule. The iecort-  ! )

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!,,7; l ance of surveillance is understood and the master schedule will be [ l 3 ,3; l adhered to. An evaluation will be made to determine ways of improving i  ;

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, ,,; ; the execution of the surveillance. test program. l l 8 9 80 s (ct Li-v VETwCO C7 STATUS *.PCWER CTHER STATUS DISCOVERY OIS00VERY DESCRIPTTCN -.

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. .. .._ Donald A. Ross . . . . . . . 44;-8785 .e

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Jersey Central Power & Light Company

. i 4" T g ] Madison Avenue at Punch Scwl Acac Merns:cwn, New Jersey 07960 (201)455 4 200 OYSTER CREEK NUCLEAR GENERATING STATION Forked River, New Jersey 08731 Licensee Event Report Recortable Occurrence No. 50-219/80-12/3L Reoort Date March 27, 1980 Occurrence Date Feb rua ry 28, 1980 Identification of Occurrence Violation of the Technical Specifications, paragraphs 4.7.A.5 and 4.7.B.1 when the weekly surveillance tests for the main station and diesel generator batteries were not performed.

This event is considered to be a reportable occurrence as defined in the Technical Specifications, paragraph 6.9.2.b.(3).

Conditions Prior to Occurrence The plant was shutdown for a refueling / maintenance outage.

The reactor was subcritical .

The reactor mode switch was locked in refuel.

The cavity wcs flooded.

Description o? Occurrence On Thursday, February 28, 1980, during review of the Master Surveillance Schedule, it was discovered that Diesel Generator Weekly Battery Surveillance (636.2.005) and Main Station Weekly Battery Surveillance (634.2.002) were not performed during week No. 7 The test was scheduled to be performed on Friday, February 1,1980, but due to rescheduling of personnel for various outage jobs, the two surveillance tests were inadvertently overlooked. This week was the only week that the tests were not performed.

Accarent Cause of Occurrence The apparent cause of the occurrence is personnel error and can be attributed to failure to adhere to the distributed surveillance schedule.

Jersey Central Pcwer & kgnt Cer cany s a vemcer cf tra General Puchc Uthres System

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Reportable Occurrence flo. 50-219/80-12/3L Page 2 March 27, 1980 .

Analysis of Occurrence The manufacturer's Instructions for battery care recommend that written records be kept to follow the performance of batteries. This type'of surveillance has been demonstrated through experience to provide an Indication of a cell becoming irregular or unserviceable long before it becomes a failure. The batteries will deteriorate with time, but precipitous failure is unlikely. The safety signi-ficance is considered minimal because there were no adverse effects noticed in the following surveillance test performed on each of the batteries.

i Corrective Action The importance of the surveillance is understood and the Master Surve.Illance Schedule will be adhered to in order to prevent this situation from recurring.

An evaluation will be made to determine ways of improving the execution of the surveillance test program.

Failure Data Not Applicable. +

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