05000324/LER-1979-004-03, /03L-0 on 790110:chart Recorder for CAC-AT-1259 Was Reading Inaccurately,Since Sample Pump for Drywell Monitor CAC-AT-1259 Was Producing Poor Flow,Due to Malfunction

/03L-0 on 790110:chart Recorder for CAC-AT-1259 Was Reading Inaccurately,Since Sample Pump for Drywell Monitor CAC-AT-1259 Was Producing Poor Flow,Due to Malfunction

ML19261B298
Person / Time
Site:	Brunswick
Issue date:	02/08/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19261B296	List: 05000324/LER-1979-004, Forwards LER 79-004/03L-0 05000324/LER-1979-004-03, /03L-0 on 790110:chart Recorder for CAC-AT-1259 Was Reading Inaccurately,Since Sample Pump for Drywell Monitor CAC-AT-1259 Was Producing Poor Flow,Due to Malfunction
References
LER-79-004-03L-01, LER-79-4-3L-1, NUDOCS 7902150286
Download: ML19261B298 (1)

LER-1979-004, /03L-0 on 790110:chart Recorder for CAC-AT-1259 Was Reading Inaccurately,Since Sample Pump for Drywell Monitor CAC-AT-1259 Was Producing Poor Flow,Due to Malfunction

Event date:
Report date:
3241979004R03 - NRC Website

text

(7 77 LICENSEE EVENT REPORT CONTROL BLOCK: l l

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60 61 DOCKET NUMB ER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h A control operator noticed the chart recorder for CAC-AT-1259 was reading inaccurate-I o

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The sample pump for drywell monitor CAC-AT-1259 was producing poor flow, and I

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i therefore, an inaccurate reading.

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33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS N

i o l An attempt to repair the existing pump failed, and a new pumo from stock was installed ji li l l into the monitor.

The monitor was returned to service on 1/16/79.

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