ML19256G184

LER 79-091/03L-0:on 791126,during Normal Plant Operation, Operator Noticed Containment Atmospheric Monitor CAC-AR-1259 Was Reading Upscale on Oxygen Channel.Caused by Blocked Sample Flow While Monitor Was Sampling Torus

ML19256G184
Person / Time
Site:	Brunswick
Issue date:	12/20/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19256G177	List: ML19256G176 ML19256G184
References
LER-79-091-03L-01, LER-79-91-3L-1, NUDOCS 7912270570
Download: ML19256G184 (1)

Text

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LICENSEE EVENT REPORT 4

(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

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OATE 80 EVENT DESCRIPTION AND PROB A8LE CONSEOL'ENCES h o 2 lDuring normal plant operation, the operator noticed that the containment atmospheric l o a monitor CAC-AR-1259 was reading upscale on the oxygen channel. This occurred again l I

o 4j lon November 29, 1979.

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44 41 33 CAUSE CESCRIPTION AND CORRECTIVF ACTIONS h i o 1 In both cases, the monitor had been saroline the torus. Due to the conficuration of I N '", w I i i l this samole line, toisture is trarned and thus biceks the sa- le flew.

, 7 drained and the instrument calibrated esCh time. An Entineerine Work Recuest has bea"l l written to correct the sample line oreblem. I i 3 i 4 1 80 7 8 9 SA s  % POWER oTHER STATUS dis O RY DISCOVERY DESCRIPTICN Operator Surveillance i 5

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NAME OF PREPARER A. C. Tollison, Jr. PHONE: 919 - 457-9521 E,

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