ML19209C689

LER 79-077/03L-0:on 790918,chloride Intrusion Monitor Point 4 Not Indicating as Expected.Caused by Defective Conductivity Cell.Cell Was Replaced,Checked & Returned to Svc

ML19209C689
Person / Time
Site:	Brunswick
Issue date:	10/09/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19209C688	List: ML19209C687 ML19209C689
References
LER-79-077-03L, LER-79-77-3L, NUDOCS 7910170227
Download: ML19209C689 (1)

Text

• LICENSEE EVENT REPORT CONTROL BLOCK: l 9

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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

ITTT1 7 8 9 In IcLICENSEE In leCODE lp 12 l@15ol ol l4 l of o alolol LICENSE NUMBER Iofol@l4l11ilililGI 25 26 LICENSE TYPE Jo I

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-l O' 3 2 468@l69O l EVENT 9 l 1DATEl 8 l 7 l749 @l 75 1lREPORT 0 l 0DATE 9l 7l 980 @

7 DOCKET NUMBER EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h L o_j 2_j l During normal plant operation, the operator noticed that the chloride intrusion mon-o 3 litor CO-CR 24 point 4 was not indicating as expected by comparison with other indica- l o 4 ltiorp. This monitors the outlet of the hotwells. I o s gechnical Specifications 3.3.5.6, 6.9.1.9b 1 0 6 l l o 7 l 0 8 l l 80 7 8 9

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35 36 37 0l0l0l 40 l gg 4i 42 N jg l A lg 43 44 L 1l3l0lg 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS i o pte conductivity cell was found to be defective. The conductivity cell was replaced, i i l checked by the RC&T with a conductivity bridge, and returned to service. As oniv two l i 2 Pther cells have been found defective in the past two years, this is considered an l

, 3 lisolated event and no further action is required. l i 4 l l 7 8 9 So SA  % POWER oTHEF. 5TATUS SC Y DISCOVERY DESCRIPTION i s y@ l 0 l 8 l 0 [@l NA l W@lOpercor Surveillance l 7

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