ML20031D112

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Third Interim Deficiency Rept Re Corrosion of Diesel Generator Panel,Initially Reported on 810320.Panel Will Be Recalibr & Repaired by Transamerica Delaval.Next Rept Expected by 811223
ML20031D112
Person / Time
Site: Bellefonte Tennessee Valley Authority icon.png
Issue date: 10/02/1981
From: Mills L
TENNESSEE VALLEY AUTHORITY
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
10CFR-050.55E, 10CFR-50.55E, NUDOCS 8110090295
Download: ML20031D112 (2)


Text

e-TENNESSEE ALLEY ALITHORITY CH ATTANOOGA. TENNESSEE 374of 400 Chestnut Street Tower II i

October 2, 1981 BLED-50-439/81-28 fb$1 i

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OL Mr. a.mme P. O'Reilly, Director

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Office or Inspection and Enforoement.

007 8 1981 y

U.S. Nuclear Regulatory t'* maion Regica II - Suite 3100 ccmaisses y'N p

101 Marietta Street Y'["-

Atlanta, Georgia 30303'

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Dear Mr. O'Reilly:

BELLEFWTE NUCLEAR PLANT UNIT 2 - Q)RROSION & DIESEL GENERATOR CONTROL PANEL - BLED-50-439/81 THIRD INTERIN REPORT The subject deficiency was initially reported to NRC-0IE Inspector J. Crlenjalt on March 20, 1981, in accordance with 10 TR 50.55(e) as NCR 1380. This was followed by our interim reporta dated April 20 and-June 25, 1981. Enclosed la our third interim report. We expect to submit our next. A-4 by December 21,. 1981.

If you.have any questions concerning this matteer please get in touch with D. L. Lambert at FTS 857-2581.

Very truly yours, TENNESSEE VALLET AUTHORITT Mp 3 M s

A I ty.

s.

1,. M. Mills, Manager Nuclear Regulation and Safety 2nolosure 00:

Mr. Victor Stallo, Jr., Director (Enclosure)

Office of Inspection and Enforcement U.S. Nuclear Regulatory Coimaission Washington,.DC ':20555 t

8110090295 811002 DR ADOCK 05000439 PDR

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ENCLOSURE BELLEFONTE NUCLEAR PLANT UNIT 2 CORROSION OF DIESEL GENERATOR CONTROL PANEL BLRD-50-439/81-28 THIRD INi 3 IM EEPORT Description of Deficiency One of tlie Bellefonte diesel generator s. control panels. was. improperly r

stored. onsite. by TVA.. As a result, the ferrous mataI parts of the subcoaponent voltage regulatiort panel have rnetdized-to the extent that the component. is not capable of performing the functiotr for which. it was intended' In addition,, corroaf nn: of' other components irr the control panel,.

plates,. nuts,. and bolts,. etc.,. of the diesel hava rendered' it inoparabla in its present condition

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Interin Progress TYK has deterwirrid' thatr the diesel's damaged. voltage regulation panel mist be repairect and recalibrated. by-the vendor (Tracsamerica Delstral). TVA has contacted-the vendor,. and. ther vendor has agrext. to perform the repairs.

The-diesel"s damaged: voltage regulation. panel, which was reteored from control panel 2RT-ELCE-2-B,. was shipped' to the vendor for repair orr June 15,,1198T This panel is still at the vendoe and-the site has not r

received' any iMia= tion as to as possible date of return. The mining refurbishing:-car control paner 2RT<.ELCF-2-B' is ire process in accordance witir woric release Nb 23,447 ed O

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