05000313/LER-1980-033, Forwards LER 80-033/03L-0

Forwards LER 80-033/03L-0

ML19338F138
Person / Time
Site:	Arkansas Nuclear
Issue date:	10/02/1980
From:	Trimble D ARKANSAS POWER & LIGHT CO.
To:	Seyfrit K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19338F139	List: 05000313/LER-1980-033, Forwards LER 80-033/03L-0 05000313/LER-1980-033-03, /03L-0:on 800906,during Normal Cooldown Operations,Rcs Makeup Block Valve Failed to Close Fully on Command.Caused by High Differential Across Valve,Resulting in Operation of Close Torque Limit Switch
References
1-090-29, 1-90-29, NUDOCS 8010070560
Download: ML19338F138 (1)

LER-1980-033, Forwards LER 80-033/03L-0

Event date:
Report date:
3131980033R00 - NRC Website

text

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ARKANSAS POWER & LIGHT COMPANY POST OFFICE BOX 551 UTTLE ROCK ARKANSAS 72203 (501) 371-4000 October 2, 1980 1-090-29 Mr. K. V. Seyfrit, Director Office of Inspection & Enforcement U. S. Nuclear Regulatory Comm.

Region IV 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76011 Subject: Arkansas Nuclear One - Unit 1 Docket No. 50-313 License No. DPR-51 Licensee Event Report No. 80-033/03L-0 (File:

0520)

Gentlemen:

In accordance with Arkansas Nuclear One - Unit 1 Technical Specification 6.12.3.2.b, attached is the subject report concerning the failure of the Reactor Coolant System Makeup Block Valve (CV-1234).

Very truly yours, l

David C. Trimble Manager, Licensing DCT:GAC:skm Attachment cc: Mr. Victor Stello, Jr., Director Office of Inspection & Enforcement U. S. Nuclear Regulatory Com.

Washington, D. C.

20555 Mr. Nonnan M. Haller, Director Office of Management & Program Analysis U. S. Nuclear Regulatory Com.

Washington, D. C.

20555 S

8 010670 g MEMBER MIDOLE SOUTH UT1UTIES SYSTEM