ML19260D677

Forwards LERs 80-001/03L-0,80-002/03L-0 & Updated LER 79-087/03X-1

Date released: 10/01/2019	Download: ML19260D677

Updated LER 790987/03X-1:on 791114,during Mode 5 Operation, Leak Was Discovered in Socket Weld on LPSI Flow Orifice Valve 2SI-5091B.Failure Resembles Mechanical Fatigue Failure of Weld.Valve Replaced & Socket Weld Dye Penetrant Checked

ML19260D685
Person / Time
Site:	Arkansas Nuclear
Issue date:	02/05/1980
From:	Pendergraft R ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
Download: ML19260D685 (1)

LER 80-002/03L-0:on 800110,during Mode 1 Operation,Core Protection Calculator C Failed,Resulting in DNBR & Linear Power Density Trips in Channel C Primary Power Sys.Cause Undetermined.Sys Restarted During Failure Analysis

ML19260D684
Person / Time
Site:	Arkansas Nuclear
Issue date:	02/05/1980
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
Download: ML19260D684 (1)

LER 80-001/03L-0:on 800107,during Mode 1 Operation, Containment Isolation Valve 25V-5876-2 Failed to Close After Taking Samples from Safety Injection Tanks for Boron Analysis.Caused by Faulty Valve Position Indication

ML19260D680
Person / Time
Site:	Arkansas Nuclear
Issue date:	02/05/1980
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
Download: ML19260D680 (1)

Forwards LERs 80-001/03L-0,80-002/03L-0 & Updated LER 79-087/03X-1

ML19260D676
Person / Time
Site:	Arkansas Nuclear
Issue date:	02/05/1980
From:	Trimble D ARKANSAS POWER & LIGHT CO.
To:	SEYFRIT K V NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
Download: ML19260D676 (1)