ML19331E043

LER 80-028/03L-0:on 800713,while Increasing Power During Normal Operation,Ge Reactor Vent Monitor Failed Downscale. Caused by Two Failed Capacitors.New Capacitors Installed & Unit Returned to Operable Status

ML19331E043
Person / Time
Site:	Cooper
Issue date:	08/11/1980
From:	Scheer J NEBRASKA PUBLIC POWER DISTRICT
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19331E042	List: ML19331E041 ML19331E043
References
LER-80-028-03L, LER-80-28-3L, NUDOCS 8009050264
Download: ML19331E043 (1)

Text

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EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h F TTl During normal operation. while increasinn nower. the C.E. Reactor Vent Monitor. I 30,3; fMP-IW-452A, f ailed downscale. Technical Specification Table 3.2.D was not met. Not T'5'T71 pignificant event took place except for the vent monitor alarm. A redundant system l I o i s I phich continuously monitors was available and was operable at the time of the occur-l Ia161 kence. No adverse consecuences free tha meandnnine nf public health and anfor: I lOl7l becurred. I 10181I "1 I

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JJ 34 36 37 40 41 42 43 44 47 CAUSE CESCRIPTION AND CORRECTIVE ACTIONS h l i 101 The cause of the oower sucolv failure was two failed enoacitors. The caoacitors 1 ii iil bre of the electrolytic tyne which degrndo in rima. Now cannrienra upra ine n11oA I i,i,i pnd the unit placed back into service. The capacitors were C1 and C2 on Drawing i g ill7C2684 for G.E. Area Radiation Monitor Power Supply. The other channels corres- J 1

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