ML20024F684

LER 83-031/03L-0:on 830806,during Testing,Instrumentation Channel Associated W/Level Transmitter LT-474 Declared Inoperable.Caused by Setpoint Drift of Comparator Card.Card Adjusted & Instrumentation Channel Declared Operable

ML20024F684
Person / Time
Site:	Farley
Issue date:	08/31/1983
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20024F673	List: ML20024F672 ML20024F678 ML20024F684
References
LER-83-031-03L-01, LER-83-31-3L-1, NUDOCS 8309090575
Download: ML20024F684 (1)

Text

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EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h j o l2 l l At 0810 on 8/6/83, during the performance of FNP-2-STP-213.1 (Steam Generator 2A l l o la l l LT-474 Loop Calibration and Functional Test Q2C22LT0474), the instrumentation l lo l4 l bhannel associated with level transmitter LT-474 was declared inoperable due to l l o l 5 I [j ts trip setpoint being out of tolerance. Tech. Spec. 3.3.1, in part, requires l l o j e l l this channel to be operable. Tech. Spec. 3.3.1 action statement requirements were l l o l 7 l l met. Health / safety of the public was not affected. l lo18ll "

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l i lo l l This event was caused by setpoint drif t of a comparator card. The card was l l 1 l 1 l l adjusted and following satisfactory performance of FNP-2-STP-213.1, the LT-474 l 1112 l l instrumentation channel was declared operable at 0950 on 8/6/83. l l113Il I lil4Il I

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N AME OF PREPAREH W. G. Hairston, III pgoys (205)899-5156