ML20080F947

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Suppl to Final Deficiency Rept Re Lambda Power Module Failures.Initially Reported on 801218.Corrective Actions for Unit 1 Complete.Unit 2 Component Boards to Be Repaired by 840115.Also Reportable Per Part 21
ML20080F947
Person / Time
Site: Bellefonte  Tennessee Valley Authority icon.png
Issue date: 09/12/1983
From: Mills L
TENNESSEE VALLEY AUTHORITY
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
REF-PT21-83 10CFR-050.55E, 10CFR-50.55E, NUDOCS 8309190454
Download: ML20080F947 (2)


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  • 7 TENNESSEE VALLEY AUTHORITY CH ATTANOOGA. TENNESSEE 37401 400 Chestnut Street Tower II ptem er 12, 1983 BLRD-50-438/81-05 BLRD-50-439/81-06 U.S. Nuclear Regulatory Commission Region II Attn:

Mr. James P. O'Reilly, Regional Administrator 101 Marietta Street, Suite 2900 Atlanta, Georgia 30303

Dear Mr. O'Reilly:

BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2 - LAMBDA POWER MODULE FAILURES -

BLRD-50-438/81-05, BLRD-50-439/81 ADDITIONAL SUPPLEMENTAL INFORMATION The subject deficiency was initially reported to NRC-0IE Inspector R. W. Wright on December 18, 1980 in accordance with 10 CFR 50.55(e) as NCR BLN EEB 8006. This was followed by our first interim report dated January 19, 1981; our final report dated July 21, 1981; our revised final report dated March 23, 1982; our second revised final report dated June 17, 1982; our supplemental report dated September 27, 1982; and our additional supplemental information dated April 11, 1983 As discussed with NRC-0IE Inspector Paul Fredrickson on September 1,1983, the date of September 1,1983 for completion of corrective actions indicated in our additional supplemental information on this matter was noi met. Although corrective actions for the unit 1 modules is complete, the vendor disturbed other components on the unit 2 component boards while repairing these modules.

TVA has these boards on site and has arranged to make the additional repairs itself per vendor instructions. The corrective action on this matter will be completed by January 15, 1984. We consider 10 CFR Part 21 applicable to this deficiency.

If you have any questions concerning this matter, please get in touch with R. H. Shell at FTS 858-2688.

Very truly yours, TENNESSEE VALLEY AUTHORITY L. M. Mills, M nager Nuclear Licensing cc: See page 2 CON >

8309190454 030912 gDRADOCK05000 OpgClO(df 1983-TVA 5OTH ANNIVERSARY An Equal Opportunity Employer

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~2 U.S. Nuclear Regulatory Commission September 12, 1983 cc:

Mb. R. C. DeYoung, Director Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555 Records Center Institute of Nuclear Power Operations 1100 Circle 75 Parkway, Suite 1500 Atlanta, Georgia 30309

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