ML17266A123

LER 79-035/03L-0:on 791126,during Surveillance Test,One Channel of Refueling Water Tank Level Had Setpoint Out of Tolerance.Caused by Setpoint Drift in Channel Circuit. Setpoint Readjusted

ML17266A123
Person / Time
Site:	Saint Lucie
Issue date:	12/26/1979
From:	Shoppman M FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML17207A729	List: ML17207A728 ML17266A123
References
LER-79-035-03L, LER-79-35-3L, NUDOCS 8001110653
Download: ML17266A123 (1)

Text

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1 2 2 I 6 AEtOAT OATS 7 9 SO Q9 EVENT OESCAIPTION ANO PAOBAELE CONSEQUENCES Qlo Durin a surveillance test one of four channels (Channel C) of Refueling Water. Tank Level in the Engineered Safeguards Actuation System was found with a setpoint slightly out of tolerance. The other three re'dundant were within s ecification. Also; by procedure, the channels are set conservativel b about 1 inch and would have actua ed a RAS signal prior to reaching the actual setpoin't. This is the fourth occur-

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