05000368/LER-1980-023-03, /03L-0:on 800506,while Performing Inservice Testing of Sodium Hydroxide Addition Tank Discharge Valve, Spray Sys Tripped During Cycle Manuver.Caused by Flex Electrical Conduit Being Stepped On.Conductor Reinsulated

/03L-0:on 800506,while Performing Inservice Testing of Sodium Hydroxide Addition Tank Discharge Valve, Spray Sys Tripped During Cycle Manuver.Caused by Flex Electrical Conduit Being Stepped On.Conductor Reinsulated

ML19323G069
Person / Time
Site:	Arkansas Nuclear
Issue date:	05/29/1980
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19323G066	List: 05000368/LER-1980-023, Forwards LER 80-023/03L-0 05000368/LER-1980-023-03, /03L-0:on 800506,while Performing Inservice Testing of Sodium Hydroxide Addition Tank Discharge Valve, Spray Sys Tripped During Cycle Manuver.Caused by Flex Electrical Conduit Being Stepped On.Conductor Reinsulated
References
LER-80-023-03L, LER-80-23-3L, NUDOCS 8005300335
Download: ML19323G069 (1)

LER-1980-023, /03L-0:on 800506,while Performing Inservice Testing of Sodium Hydroxide Addition Tank Discharge Valve, Spray Sys Tripped During Cycle Manuver.Caused by Flex Electrical Conduit Being Stepped On.Conductor Reinsulated

Event date:
Report date:
3681980023R03 - NRC Website

text

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34 75 saf O.TDATi 80 EVENT DESCRIPTION ANO PROBA8LE CONSEQUENCES h F6TF1 I During Mode 1 operation, while performino Irservice Testino of the Na0H I e i addition tank discharge valve, 2CV-5667, to the R.B. spray system, 2CV-5667 I tripped durina its cycle manuver.

The redundant Sodium Hydroxide Addition o 4 o s i System remained operable.

LER 50-368/79-080 also involved the loss of i

i 2CV-5667. This occurrence is reportable per T.S. 6.9.1.9.b.

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This created i a ground fault which blew the control power supply fuse. The conductor l was reinsulated, the valve tested and declared operable meeting Action i

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