ML19350E215

LER 81-031/03L-0:on 810527,during Normal Operations, Accumulator 58-23 Charging Water Valve Found Closed.Caused by Personnel Error.Valve Was Opened Immediately.All Other Valves Were Checked Visually

ML19350E215
Person / Time
Site:	Dresden
Issue date:	06/10/1981
From:	Holland P COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19350E207	List: ML19350E206 ML19350E215
References
LER-81-031-03L, LER-81-31-3L, NUDOCS 8106170171
Download: ML19350E215 (1)

Text

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[TTTI I Ducs.ig normal o'perations accumulator 58-23 c'.Maing water valve was found closed. - This I g g was of minimal safety significance since accumulator pressdie~was~1100 psig., which Ts l

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CAUSE DESCRIPTION AND CORREC'r ' /E ACTICNS 27 I t i o I l The cause of the event was eersonnel error in that the manually coerated valve u.as I iiiiiiclosed. The valva was immediatelv opened and all other valves visually checked to I g l verify they were open. This event will be reviewed with all operators durina re- I g l training sessions. No further action deemed necessary at this time. l

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