05000313/LER-1980-024-03, /03L-0:on 800706,during Start of Emergency Feedwater Pump Turbine Drive Surveillance,Pump Tripped on Overspeed.Caused by Five of Eight Studs Holding Governor Steam Valve to Turbine Being Broken.All Bolts Replaced

/03L-0:on 800706,during Start of Emergency Feedwater Pump Turbine Drive Surveillance,Pump Tripped on Overspeed.Caused by Five of Eight Studs Holding Governor Steam Valve to Turbine Being Broken.All Bolts Replaced

ML19330C391
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
ML19330C386	List: 05000313/LER-1980-024, Forwards LER 80-024/03L-0 05000313/LER-1980-024-03, /03L-0:on 800706,during Start of Emergency Feedwater Pump Turbine Drive Surveillance,Pump Tripped on Overspeed.Caused by Five of Eight Studs Holding Governor Steam Valve to Turbine Being Broken.All Bolts Replaced
References
LER-80-024-03L-01, LER-80-24-3L-1, NUDOCS 8008080316
Download: ML19330C391 (1)

LER-1980-024, /03L-0:on 800706,during Start of Emergency Feedwater Pump Turbine Drive Surveillance,Pump Tripped on Overspeed.Caused by Five of Eight Studs Holding Governor Steam Valve to Turbine Being Broken.All Bolts Replaced

Event date:
Report date:
3131980024R03 - NRC Website

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GO 65 oOCKET NUMSER 68 09 EVENT oATE 24 75 84E, ORT oATE 80 EVENT DESCRIPTION ANO PROS A8LE CONSEQUENCES O'o At the start of P-7A (Emergency Feedwater Pump, turbine drive) surveil-i a 2 l lance, the pump tripped on overspeed.

The pump trip device was imedi-1 ramu ici.iI ately reset and the pump was successfully started.

Redundant train was I

ioperable.

No similar occurrences.

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