ML19343B982
| ML19343B982 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 02/11/1981 |
| From: | Mills L TENNESSEE VALLEY AUTHORITY |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| 10CDR-50.55E, 10CFR-050.55E, 10CFR-50.55E, NCR-2398, NUDOCS 8102180426 | |
| Download: ML19343B982 (1) | |
Text
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9-BAE TENN ESS EE '/ ALLEY A.UT'HC m'Y c-amscen -e mact 27 400 Chestnut Street Tower II 953 )
February 11, 1981 q,
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Q *FEB17193 W Y Mr. James O'Reilly, Director g
4 Office of In ection and Enforcement 6
- ' somers U.S. Nuclear R latory Conunission Region II - Suit 3100 g
101 Marietta Stree 4
Atlanta, Georgia 3 03 V1*
Dear Mr. O'Reilly:
SEQUOYAH NUCLEAR PLANT UNIT 2 - FAULTY FILLET iiELDS - NCR 2398 -
SECOND INTERIM REPORT The subject deficiency was initiall7 reported to NRC-OIE Inspector R. N. Wright on November 7,1980, in accordance with 10 CFR 50.55(e). An inte'im m port was submitted on December 3, 1980. We expect to submit our next report by April 2, 1981.
t All two-inch schedule 160 socket welds have been identified and reinspection is approximately 98 percent complete. Preliminary results indicate that approximately 10 percent of welds require additio'nal weld metal. Other sizes of schedule 160 socket welds along with schedule 80 and 40 socket welds are being sampled to determine the full extent of the deficiency. This sampling is approximately 75 percent complete. TVA has conducted retraining sessions for fillet weld inspectors and wi?.1 conduct l
retraining of crafts employees in the area of fillet weld size require-ments. All deficient welds identified will be repaired by adding weld i
metal as appropriate.
If you have any questions, please get in touch with D. L. Lambert at FTS 857-2581.
Very truly yours, t
TENNESSEE VALLET AL7BCRITY L. M. Mills, Manager Nuclear Regulation and Safety I
Mr. Victor Stello, Director /
cc:
l Office of Inspection and Enforcement U.S. Nuclear Regulatory Cosuaission i
Washington, DC 20555 i
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