05000321/LER-1979-061-03, /03L-0 on 790803:during Refueling Shutdown, Failure of Relay Z41-K158 Caused Failure of Automatic Start of Standby Air Handling Unit.Caused Unknown.Relay Later Tested Successfully

/03L-0 on 790803:during Refueling Shutdown, Failure of Relay Z41-K158 Caused Failure of Automatic Start of Standby Air Handling Unit.Caused Unknown.Relay Later Tested Successfully

ML19253A392
Person / Time
Site:	Hatch
Issue date:	08/17/1979
From:	Coggin C GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19253A391	List: 05000321/LER-1979-061, Forwards LER 79-061/03L-0 05000321/LER-1979-061-03, /03L-0 on 790803:during Refueling Shutdown, Failure of Relay Z41-K158 Caused Failure of Automatic Start of Standby Air Handling Unit.Caused Unknown.Relay Later Tested Successfully
References
LER-79-061-03L-01, LER-79-61-3L-1, NUDOCS 7908240424
Download: ML19253A392 (2)

LER-1979-061, /03L-0 on 790803:during Refueling Shutdown, Failure of Relay Z41-K158 Caused Failure of Automatic Start of Standby Air Handling Unit.Caused Unknown.Relay Later Tested Successfully

Event date:
Report date:
3211979061R03 - NRC Website

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oi2i i per H'D-1-3555, relay Z41-K153 failed to ocerate properly, which caused a failure of [

oi.i i the automatic startinq of the stardhv air handling unit upon a low flow signal from l

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Georgio Power Cc:rpany Plant E. I. Hatch Baxley, Georgic 31513 Event Description and Probable Consequences-Since throughout the LSFT there had been two independe t air ~ handling units in operation or available, th::re was no significant affect on the plant as a result of the failure of these two relays. This is a non-repetitive occurrence.

Cause Description and Corrective Actions, of the LSFT, and put back into service.

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9 827 149