ML19296B355

Forwards LERs 80-003/03L-0,80-004/03L-0,80-005/03L-0 & 80-006/03L-0

Date released: 11/06/2019	Download: ML19296B355

LER 80-006/03L-0:on 800123,during Mode 1 Operation,Core Protection Calculator B Failed,Generating DNBR & Linear Power Density Trips in Primary Power Sys.Cause Undetermined. Channel Restarted & Declared Operable

ML19296B362
Person / Time
Site:	Arkansas Nuclear
Issue date:	02/15/1980
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
Download: ML19296B362 (1)

LER 80-005/03L-0:on 800123,during Steady State Mode 1 Operation,Reactor Coolant Leakage Calculation Indicated Approx 3.6 Gpm Unidentified Leakage.Caused by Packing on Pressurized Spray Valves Leaking Excessively

ML19296B359
Person / Time
Site:	Arkansas Nuclear
Issue date:	02/15/1980
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
Download: ML19296B359 (1)

LER 80-004/03L-0:on 800107,during Mode 1 Operation,Core Protection Calculator B Failed.Channel B DNBR & Linear Power Density Trips Were Bypassed Placing Reactor Trip Logic in two-out-of-three Trip Sequence.Cause Unknown

ML19296B357
Person / Time
Site:	Arkansas Nuclear
Issue date:	02/15/1980
From:	Pendergraft R ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
Download: ML19296B357 (1)

LER 80-003/03L-0:on 800120,during Mode 3 Operation, Emergency Feedwater Flow Control Valve Failed to Close on Demand.Caused by Lack of Hydraulic Pressure

ML19296B356
Person / Time
Site:	Arkansas Nuclear
Issue date:	02/15/1980
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
Download: ML19296B356 (1)

Forwards LERs 80-003/03L-0,80-004/03L-0,80-005/03L-0 & 80-006/03L-0

ML19296B354
Person / Time
Site:	Arkansas Nuclear
Issue date:	02/15/1980
From:	Trimble D ARKANSAS POWER & LIGHT CO.
To:	SEYFRIT K V NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
Download: ML19296B354 (1)