05000423/LER-1998-007, Forwards LER 98-007-00,documenting Event That Occurred at Millstone,Unit 3 on 980129.Commitments Made by Util,Encl

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Forwards LER 98-007-00,documenting Event That Occurred at Millstone,Unit 3 on 980129.Commitments Made by Util,Encl
ML20217P742
Person / Time
Site: Millstone Dominion icon.png
Issue date: 02/27/1998
From: Hicks G
NORTHEAST NUCLEAR ENERGY CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20217P746 List:
References
B17023, NUDOCS 9803110058
Download: ML20217P742 (5)
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LER-2098-007, Forwards LER 98-007-00,documenting Event That Occurred at Millstone,Unit 3 on 980129.Commitments Made by Util,Encl
Event date:
Report date:
4232098007R00 - NRC Website
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,. l Northeast nope reny nadaoou 1s6), woor-a, er 0638s Npelear Energy umstonia Nudcar Power Station

, , Northeast Nudear Energy Company

(

P.o. Box 128 Waterford, CT 06385-0128 (860) 447-1791 .

Fax (860) 444-4277 The Northeast Utilities System i

February 27,1998 Docket No. 50-423 B17023 Re: 10 CFR 50.73(a)(2)(i)(B)

Nuclear Regulatory Commission Document Control Desk Washington, DC 20555 Millstone Nuclear Power Station Unit 3 Licensee Event Reoort 98-007-00

" Containment Bvoass Leakage in Excess of Technical Soecification Limits" This letter forwards Licensee Event Report 98-007-00, documenting a condition that was determined reportable at Millstone Unit No. 3 on January 29,1998.

This LER is submitted pursuant to 10 CFR 50.73(a)(2)(i)(B). Northeast Nuclear Energy Company's (NNECO) commitments in response to this event are contained within Attachment 1 to this letter.

Should you have any questions regarding this submittal, please contact Mr.

David A. Smith at (860) 437-5840.

Very truly yours,

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NORTHEAST NUCLEAR ENERGY

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. D. Hicks Unit Director, Millstone Unit No. 3 9803110058 900227 PDR ADOCK 05000423 g PDR

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U.S. Nucirr Regul: tory Commission

,817023/Page 2

Attachment:

1) NNECO's commitments in response to LER 98-007-00
2) LER 98-007-00 cc: H. J. Miller, Region I Administrator A. C. Cerne, Senior Resident inspector, Millstone Unit No. 3 J. W. Andersen, NRC Project Manager, Millstone Unit No. 3 W. D. Travers, Ph.D., Director, Special Projects Corrective Action Group Files (CR M3-98-0467)

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1 Docket No. 50-423 B17023 Attachment 1 Millstone Nuclear Power Station, Unit No. 3 NNECO's Commitrnents in Response To (LER 98-007-00) l I

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. Attachment List of Regulatory Commitments The - following table identifies those actions committed to by NNECO in this document. _ Please notify the Manager - Regulatory Compliance at the Millstone Nuclear Power Station Unit No. 3 of any questions regarding this document or any -

associated regulatory commitments.

Number Commitment Due Historical compliance with Technical Completed Specification leakage limits has been determined.

Calculation review and approval has been Completed improved through implementation of the Design Control Manual.

B17023-01 The FSAR will be revised to reflect the Prior to Mode 2 bypass leakage paths.

B17023-02 . Associated procedures specifying Prior to Mode 4 penetrations with bypass leakage paths will be revised.

B17023-03 Calculations specifying penetrations with Prior to Mode 4 bypass leakage paths will be reviewed and revised as necessary.

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Docket No. 50-423 B.17023 j i

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i Millstone Nuclear Power Station, Unit No. 3 NNECO's Submittal of (LER 98-007-00) i i

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