ML19259B322
| ML19259B322 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 01/19/1979 |
| From: | Dunn C DUQUESNE LIGHT CO. |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| Shared Package | |
| ML19259B324 | List: |
| References | |
| NUDOCS 7901260167 | |
| Download: ML19259B322 (1) | |
Text
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a Duqumne Lidit 435 Sixth Avenue Mt urgh, Pennsylvania January 19, 1979 United States Nuclear Regulatory Commission Region I 631 Park Avenue King of Prussia, PA 19406 ATTENTION:
MR. BOYCE H.
GRIER, DIRECTOR SUBJECT :
Beaver Valley Power Station - Unit No. 2 Reactor Containment Liner - Overlay Pad Fillet Weld Crack Docket No. 50-412 Significant Deficiency Report-No. 78-03 Gentlemen:
Field attachment of an overlay pad to the containment liner cylinder, has resulted in the cracking of the wall liner plate.
The crack was found to exist along the hori-zontal, bottom side of the overlay pad, adjacent to the continuous fillet weld used to make the attachment.
The problem was reported to_Mr. Seth Folsom of your office, on December 22, 1978, as a significant deficiency.
An investigation into the cause of the cracking is currently underway.
Pursuant to the requirements of 10 CFR 50.55(e), a written interim report is herewith sub-mitted, and it is presently anticipated that a final written report on this matter will be submitted to you on March 22, 1979.
DUQUESUE LIGHT COMPANY By
/[
m, s.
C. N.' Dunn VICE PRESIDENT cc:
Dr. E. Volgenau (15)
Mr. William G. Mcdonald 7ea1260\\d