ML19330B301

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Discusses 800706 Routine Surveillance Test on Emergency Steam Driven Feedwater Pump During Which Steam Leak Developed.Requests That One of Five Failed Studs Be Delivered to Parameters,Inc for Analyses
ML19330B301
Person / Time
Site: Arkansas Nuclear  Entergy icon.png
Issue date: 07/15/1980
From: Madsen G
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To: Cavanaugh W
ARKANSAS POWER & LIGHT CO.
References
NUDOCS 8007310334
Download: ML19330B301 (2)


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July 15,1980 States Occket Nos. 50-313 50-368 Arkansas Power and Light Company Attn: Mr. William hvanaugh III Vice President of Generation and Construction P. O. Box 551 Little Rock, Arkansas 72203 Gentlemen:

On July 6,1980, personnel at Unit 1 were performing a routine surveillance test on the Emergency Steam Driven Feedwater Pump (P7A).

During this test a steam leak developed.

It is our understanding that these maintenance personnel removed the insulation covering the flange to turbine casing and discovered that five (5) of the eight (8) studs had failed.

Our infonnation indicates that the five (5) failed studs and the three (3) studs remaining in the flange were removed and replaced with eight (8) new studs.

The Nuclear Regulatory Commission, Office of Inspection and Enforcement, requests that one of these failed studs be delivered ti:

Parameters, Inc.

Consulting Engineers 13545 Watertown Plank Road Elm Grove, Wireonsin 53122 Analyses will be p.

.med on this stud specimen in an effort to determine the failure mechanism.

You will be sent a copy of the analyses when the results have been evaluated.

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8007 slo 33q

, July 15, 1980 Should you have any questions concerning this specimen request, we will be happy to discuss them with you.

Sincerely, h$Y/

G. L. Madsen, Chief Reactor Operations and Nuclear Support Branch cc:

Arkansas Nuclear One ATTN:

J. P. O'Hanlon, Manager P. O. Box 608 Russellville, Arkansas 72801 E. L. Jordan, Assistant Director DROI,IE:HQ W. D. Johnson, Senior Resident Inspector Arkansas Nuclear One I