ML20003B115

LER 81-006/03L-0:on 810107,during Annual Testing & Calibr, Six Helium Circulator Seal Malfunction Pressure Differential Switch Units Discovered to Have Trip Points Set Outside Tech Spec Limits.Cause Unstated.Switches Readjusted

ML20003B115
Person / Time
Site:	Fort Saint Vrain
Issue date:	02/03/1981
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20003B109	List: ML20003B107 ML20003B115
References
LER-81-006-03L, LER-81-6-3L, NUDOCS 8102100369
Download: ML20003B115 (1)

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EVE *.T OESCRIPTICN AND PROB ABLE CCNSEQUENCES h 10121 lDuring annual testing and calibration. six of the tvelve helium circulator seal =al- l

[ol3l 1 function pressure differential switch units were discovered to have a trip noint out- l l o 14 j l side the limits of LCO 4.4.1, Table 4.4-3. These are recortable per Fort St. Vrain 1 1o is j l Technical Specifications AC 7.5.2(b)1 and AC 7.5.2(b)2. .= effect on public health l l a M j l or safety. Redundant system available and oeerable. Similar reports are RO 77-47, I j o i 7 ! [ Final and Preliminarv reports RO 78-27, 79-32, 79-56, 80-07. 80-16, 80-20. 80-26, I io,4i l 80-34, 80-41, 80-51, and 80-72. 80 I

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