ML19276F131
| ML19276F131 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 03/22/1979 |
| From: | Woolever E DUQUESNE LIGHT CO. |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| Shared Package | |
| ML19276F133 | List: |
| References | |
| NUDOCS 7903270386 | |
| Download: ML19276F131 (1) | |
Text
'Af (412) 456-6000 435 Sixth Avenue Pittsburgh, Pennsylvania 1s219 March 22, 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 reactor contain-ment liner cylinder (wall), resulted in the cracking of the wall liner plate.
The crack existed along the horizontal, 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.
Pursuant to the requirements of 10CFR50.55(e), Duquesne Light submitted an interim written report on January 19, 1979.
The final written report on the subject problem is herewith submitted for your review and concurrence.
If you have any questions con-cerning the final report, we can meet with the appropriate Nuclear Regulatory Commission technical personnel at their convenience.
DUQUESNE LIGHT COMPANY By r
y T. J. Woolever Vice President cc:
Mr. John G. Davis (15)
Mr. William G. Mcdonald 70032703&C