05000368/LER-1981-003, Forwards LER 81-003/03L-0

Forwards LER 81-003/03L-0

ML20003B316
Person / Time
Site:	Arkansas Nuclear
Issue date:	02/03/1981
From:	Trimble D ARKANSAS POWER & LIGHT CO.
To:	Seyfrit K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20003B317	List: 05000368/LER-1981-003, Forwards LER 81-003/03L-0 05000368/LER-1981-003-03, /03L-0:on 810113,plant Computer Failed & Would Not Restart,Rendering Core Operating Limits Supervisory Sys Inoperable.Caused by Capacitor in Floating Point Power Supply & Generstor Noise Due to Short.Capacitor Replaced
References
2R-0281-02, 2R-281-2, NUDOCS 8102100652
Download: ML20003B316 (1)

LER-1981-003, Forwards LER 81-003/03L-0

Event date:
Report date:
3681981003R00 - NRC Website

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ARKANSAS POWER & LIGHT COMPANY POST OFFICE BOX 551 LITTLE ROCK. ARKANSAS 72203 (501)371-4000 February 3, 1981 2R-0281-02 h1r. K. V. Seyfrit, Director Office of Inspection G Enforcement U. S. Nuclear Regulatory Commission Region IV 611 Ryan Pla::a Drive, Suite 1000 Arlington, Texas 76011 Subject: Arkansas Nuclear One - Unit 2 Docket No. 50-368 License No. NPF-6 Licensee Event Report No. 81-003/03L-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 the failure of the plant computer rendering inoperabic the Core Operating Limits Supervisory System (COLSS) during htode 1 operation.

Very truly yours'

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..-[ V David-C. Trimble h!anager, Licensing DCT:GAC:st Attachment cc: bir. Victor Stello, Jr., Director Office of Inspection 4 Enforcement U. S. Nuclear Regulatory Commission Washington, D.C.

20555 h!r. Norman bl. Haller, Director Office of hianagement 4 Program Analysis U. S. Nuclear Regulatory Commission Washington, D.C.

20555 r

8102100 Nb MEMBER M:OOLE south UTIUTIES SYSTEM