05000313/LER-1979-007-03, /03L-0 on 790616:during Heatup,Emergency Feedwater Pump Automatically Started W/Inadvertent Actuation.Caused by Valve Lineup Error.Outboard Pump Bearing Found to Be Hot Due to Faulty Installation.Maint Procedure Revised

/03L-0 on 790616:during Heatup,Emergency Feedwater Pump Automatically Started W/Inadvertent Actuation.Caused by Valve Lineup Error.Outboard Pump Bearing Found to Be Hot Due to Faulty Installation.Maint Procedure Revised

ML19225B033
Person / Time
Site:	Arkansas Nuclear
Issue date:	07/16/1979
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19225B031	List: 05000313/LER-1979-007, Forwards LER 79-007/03L-0 05000313/LER-1979-007-03, /03L-0 on 790616:during Heatup,Emergency Feedwater Pump Automatically Started W/Inadvertent Actuation.Caused by Valve Lineup Error.Outboard Pump Bearing Found to Be Hot Due to Faulty Installation.Maint Procedure Revised
References
LER-79-007-03L-01, LER-79-7-3L-1, NUDOCS 7907230354
Download: ML19225B033 (1)

LER-1979-007, /03L-0 on 790616:during Heatup,Emergency Feedwater Pump Automatically Started W/Inadvertent Actuation.Caused by Valve Lineup Error.Outboard Pump Bearing Found to Be Hot Due to Faulty Installation.Maint Procedure Revised

Event date:
Report date:
3131979007R03 - NRC Website

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eiA 1 SLBIC actuated due to a valve lineup error.

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c. n i identified that the outboard pump bearine was extremely I

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Bo' k EFW punus are required t_o be operabl e during heatup and c

l oi-t operation ner T.S.3.4.1.4 Similar to LER 50-313/77-003. Reportable per_j t.5.u.l.i5.20.

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lInvestication revealed that the bearing had failed due to i

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Pump bearing was replaced i

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