05000368/LER-1981-020, Forwards LER 81-020/03L-0

Forwards LER 81-020/03L-0

ML20005A543
Person / Time
Site:	Arkansas Nuclear
Issue date:	06/22/1981
From:	Trimble D ARKANSAS POWER & LIGHT CO.
To:	Madsen G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20005A544	List: 05000368/LER-1981-020, Forwards LER 81-020/03L-0 05000368/LER-1981-020-03, /03L-0:on 810520,two Source Range Neutron Flux Monitor Signals Increased Suddenly.Probably Caused by Noise Interference.Investigation Underway.Cables & Connectors to Be Changed During Next Refueling Outage
References
2CAN068118, 2CAN68118, NUDOCS 8106300441
Download: ML20005A543 (1)

LER-1981-020, Forwards LER 81-020/03L-0

Event date:
Report date:
3681981020R00 - NRC Website

text

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4 ARKANSAS POWER & LIGHT COMPANY POST OFFICE BOX 551 LITTLE ROCK, ARKANSAS 72203 (501)371-4000 June 22, 1981 l

2CAN068118

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1 Mr. G. L. Madsen, Chief Reactor Projects Branch

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- j U. S. Nuclear Regulatory Conn.

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Region IV A'fx]{~i/

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.4 611 Ryan Plaza Drive, Suite 1000

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1. b Arlington, Texas 76011 SUBJECT: Arkansas Nuclear One - Unit 2 Docket No. 50-368 License No. NPF-6 Licensee Event Report No. 81-020/03L-0 (File: 2-0520)

Gentlemen:

In accordance with Arkansas Nuclear One - Unit 2 Technical Specification 6.9.1.9.b, attached is the subject report concerning a sudden increase of the neutron flux monitor signals during Mode 6 operation.

Very truly yours, 0Y f.

David C. Trimble Manager, Licensing DCT:GAC:1p Atta ent cc: Mr. Victor Stello. Jr., Director Office of Inspection and Enforcement U. S. Nuclear i<egulatory Comm.

l Washig ton, D.C.

20555 l

Mr. Nonnan M. Haller, Director Office of Management and Program Analysis l

U. S. Nuclear Regulatory Comm.

Washington, D.C.

20555 8106300YT/

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