ML20028C162

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RO 82-15:on 821228,tiny through-wall Crack Found in Heat Affected Zone of Weld in Safety Injection Supply Line from Boric Acid Storage Tanks.Investigation in Progress
ML20028C162
Person / Time
Site: Prairie Island  Xcel Energy icon.png
Issue date: 12/29/1982
From: Watzl E
NORTHERN STATES POWER CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
RO-82-15, NUDOCS 8301070133
Download: ML20028C162 (1)


Text

Northern States Power Company Prairie Island Nuclear Generating Plant Route 2 Welch, Minnesota 55089 December 29, 1982 hO-b-

Mr. James G. Keppler, Director Region III Office of Inspection & Enforcement U.S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL.

60137 Attention:

J. F. Streeter Reportable Occurrence No. P-RO-82-15 On December 28, 1982 a tiny through-wall crack was found in the heat affected zone of a weld in the safety injection supply line from the boric acid storage tanks. The line contains 12 w/o boric acid.

This weld is not part of the sample that was subjected to volumetric exanination in response to IE Bulletin 79-1.7 Revision 1.

Investigation is in progress.

Sincerely, OAi D

/

E. L. Watz L

Plant Manager Prairie Island Nuclear Plant ELW/vj cc:

D. M. Musolf Director, MIPC (2)

% Distribution Services Branch, DDC, ADM C. D. Feierabend 8301070133 821229

{DRADOCK05000 ggy 3g

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