05000334/LER-1981-080-03, /03L-0:on 810823,refueling Water Storage Tank Level Indicator Was Found to Be Slightly Below Tolerance. Caused by Instrument Drift of Level Transmitter LT-QS-100D. Transmitter Recalibr

/03L-0:on 810823,refueling Water Storage Tank Level Indicator Was Found to Be Slightly Below Tolerance. Caused by Instrument Drift of Level Transmitter LT-QS-100D. Transmitter Recalibr

ML20010J464
Person / Time
Site:	Beaver Valley
Issue date:	09/23/1981
From:	Lacey W DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20010J461	List: 05000334/LER-1981-080, Forwards LER 81-080/03L-0 05000334/LER-1981-080-03, /03L-0:on 810823,refueling Water Storage Tank Level Indicator Was Found to Be Slightly Below Tolerance. Caused by Instrument Drift of Level Transmitter LT-QS-100D. Transmitter Recalibr
References
LER-81-080-03L, LER-81-80-3L, NUDOCS 8110050122
Download: ML20010J464 (2)

LER-1981-080, /03L-0:on 810823,refueling Water Storage Tank Level Indicator Was Found to Be Slightly Below Tolerance. Caused by Instrument Drift of Level Transmitter LT-QS-100D. Transmitter Recalibr

Event date:
Report date:
3341981080R03 - NRC Website

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60 6I DOCK ET NUVS ER 64 69 Evr% 3 ATE 14 75 REPORT DATE 80 EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES h f o TTI l At 1035 hours0.012 days <br />0.288 hours <br />0.00171 weeks <br />3.938175e-4 months <br /> the Refueling Water Storage Tank (RWST) Channel D level indicator i

lo la j l was found be be slightly below tolerance. Power operation continued as per the 1

l o 141 l applicable action statement of Technical Specification 3.3.2.1.

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10151 I and safety was not ieopardized since premature auto safety iniection transfer I

l o 16 l l would not have occurred since the redundant channels were noerable.

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I IiI l The transmitter was recalibrated and the channel was rettirned to service at I

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Attachment to LER 81-80/03L Braver Valley Power Station Duquesne Light Company Docket No. 50-334 No further information is available or needed to satisfy the reporting requirement.

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