05000366/LER-1981-030-03, /03L-0:on 810413,valve Position Indicating Lights for Recirculation Pump B Discharge valve,2B31-F031B,found Extinguished.Caused by Blown Fuse in Control Circuit. Integrity of Circuit Verified & Fuse Replaced

/03L-0:on 810413,valve Position Indicating Lights for Recirculation Pump B Discharge valve,2B31-F031B,found Extinguished.Caused by Blown Fuse in Control Circuit. Integrity of Circuit Verified & Fuse Replaced

ML20008F990
Person / Time
Site:	Hatch
Issue date:	05/05/1981
From:	Nix R GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20008F987	List: 05000366/LER-1981-030, Forwards LER 81-030/03L-0 05000366/LER-1981-030-03, /03L-0:on 810413,valve Position Indicating Lights for Recirculation Pump B Discharge valve,2B31-F031B,found Extinguished.Caused by Blown Fuse in Control Circuit. Integrity of Circuit Verified & Fuse Replaced
References
LER-81-030-03L-01, LER-81-30-3L-1, NUDOCS 8105120455
Download: ML20008F990 (2)

LER-1981-030, /03L-0:on 810413,valve Position Indicating Lights for Recirculation Pump B Discharge valve,2B31-F031B,found Extinguished.Caused by Blown Fuse in Control Circuit. Integrity of Circuit Verified & Fuse Replaced

Event date:
Report date:
3661981030R03 - NRC Website

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LER tio.: 50-366/1981-030 Licensee: Georgia Power Company Facility: Edwin I. Hatch

. Docket No. : 50-366 1

flarrative Report for LER 50-366/1981-030 l

While at normal steady state power of 2357 MWt, the valve position indicating lights for the "B" Recirculating Pump Discharge Valve, 2831-F031B, was observed to be extinguished.

This valve is required to be operable per Tech Specs 3.4.1.1. There were no effects to sa fe plant operation nor to the public's health and safety due to this event.

The cause of the event was due to a blown fuse in the control circuit.

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The integrity of the control circuit was verified and the control fase was replaced.

The valve was returned to service.

This is a non-repetitive event. A generic review revealed no inherent problems.

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