05000313/LER-1980-023-03, /03L-0:on 800709,during Test of Steam Driven Emergency Feed Pump P-7A,main Steam Supply Valve CV-2667 to P-7A Did Not Fully Open on Demand.Caused by Valve Operator Torquing Out Early.Torque Switch Given Small Adjustment

/03L-0:on 800709,during Test of Steam Driven Emergency Feed Pump P-7A,main Steam Supply Valve CV-2667 to P-7A Did Not Fully Open on Demand.Caused by Valve Operator Torquing Out Early.Torque Switch Given Small Adjustment

ML19330C384
Person / Time
Site:	Arkansas Nuclear
Issue date:	08/04/1980
From:	Bramlett L ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19330C378	List: 05000313/LER-1980-023, Forwards LER 80-023/03L-0 05000313/LER-1980-023-03, /03L-0:on 800709,during Test of Steam Driven Emergency Feed Pump P-7A,main Steam Supply Valve CV-2667 to P-7A Did Not Fully Open on Demand.Caused by Valve Operator Torquing Out Early.Torque Switch Given Small Adjustment
References
LER-80-023-03L-01, LER-80-23-3L-1, NUDOCS 8008080305
Download: ML19330C384 (1)

LER-1980-023, /03L-0:on 800709,during Test of Steam Driven Emergency Feed Pump P-7A,main Steam Supply Valve CV-2667 to P-7A Did Not Fully Open on Demand.Caused by Valve Operator Torquing Out Early.Torque Switch Given Small Adjustment

Event date:
Report date:
3131980023R03 - NRC Website

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74 iS HE,oniDATE 80 EVENT DESCRIPTION AND PROB ABLE CONSEOUENCES h o a I During testing of P-7A (steam driven emergency feed pump) for reliability),

CV-2667 (main steam supply valve to P-7A) did not fully open on demand.,

o The other steam supply valve CV-2666 was used to complete the test.

j FdTO I The electric driven emergency feed pump and its feedwater train was l

f oTO I operabl e n s a redimdnnt system.

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o, l 50-313/80-012. Reportable per T. S. 6.12.3.2(b).

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