ML19309E855
| ML19309E855 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 04/01/1980 |
| From: | Madsen G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | Cavanaugh W ARKANSAS POWER & LIGHT CO. |
| Shared Package | |
| ML16245A734 | List: |
| References | |
| NUDOCS 8004240506 | |
| Download: ML19309E855 (2) | |
Text
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je UNITED STATES POR:HQ g
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g NUCLEAR REGULATORY COMMISSION LPDR 3 'D' i *.. E REGION IV TIC
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611 RYAN PLAZA DRIVE, SUITE 1000
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d ARLINGTON, TEXAS 76012
,o April 1, 1980
._ STATE In Reply Refer To:
Docket No. 50-313 l
Arkansas Power and Light Company ATTN: Mr. William Cavanaugh III f
Vice President of-Generation and Construction P. O. Box 551 Little Rock, Arkansas 72203 Gentlemen:
Subject:
0TSG Auxiliary Feedwater fiozzle Themal Sleeve / Collar Weld Attachments i
Cracking at the weld attachment between the collar and the themal sleeve on auxiliary feedwater nozzles of steam generators at Oconee Unit.1 was reported to the NRC.
On March 5,1980, B&W was requested to provide information relative to the discovered failures.
By letter dated March 17,1980 (enclosed),
B&W indicated that the subject infomation had been transmitted to the affected utilities and they requested that we contact these utilities for the needed infomation.
On the basis of the above, please provide the following infomati~on regarding the OTSG auxiliary feedwater themal sleeve / collar attachment weld for i
Arkansas Nuclear One, Unit 1:
1.
Design / environmental conditions leading to possible degradation of subject weld integrity.
Identification of probable failure mode.
2.
Interim actions taken.
A f
8004240 606 '
O Arkansas Power and Light Company April 1, 1980 1
3.
Possible long-tenn modifications.
4.
Safety consequences.
i Should you have questions regarding this request, please contact this office.
Sincerely, l
l
$ NOW G. L. Madsen, Chief, Reactor Operations and Nuclear Support Branch
Enclosure:
B&W letter dated 3/17/80 cc w/ enclosure:
Arkansas Nuclear One ATTN:
J. P. O'Hanlon, Manager P. O. Box 608 Russellville, Arkansas 72801
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