05000443/LER-1999-001, Forwards LER 99-001-00 for Event That Occurred at Seabrook Station on 990329.List of Commitments Made in Response to Ler,Encl

Forwards LER 99-001-00 for Event That Occurred at Seabrook Station on 990329.List of Commitments Made in Response to Ler,Encl

ML20206D860
Person / Time
Site:	Seabrook
Issue date:	04/28/1999
From:	Feigenbaum T NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20206D865	List: 05000443/LER-1999-001, Forwards LER 99-001-00 for Event That Occurred at Seabrook Station on 990329.List of Commitments Made in Response to Ler,Encl
References
ACR-99-1158, ACR-99-1159, AR#99004956, NYN-99047, NUDOCS 9905040258
Download: ML20206D860 (4)

LER-2099-001, Forwards LER 99-001-00 for Event That Occurred at Seabrook Station on 990329.List of Commitments Made in Response to Ler,Encl

Event date:
Report date:
4432099001R00 - NRC Website

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"'*.s North Atlantic Energy Service Corix> ration h

W g g.g}g P.O. Ilox 300 Sealtrook, Nil 03874 Atlaritic .

(6033474.y32i Tlie Northeast Utilities System April 28,1999 Docket No. 50-443 NYN-99047 I

AR#99004956 ACR 99-ll58

) ACR 99-1159 United States Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 Seabrook Station Licensee Event Report (LER) 99-001-00 Emergency Diesel Generator Inoperability Due to Westinghouse AR Relay Failures Enclosure 1 is. Licensee Event Report (LER) 99-001-00 for an event that occurred at Seabrook Station on March 29,1999. This event is being reported pursuant to 10 CFR 50.73(a)(2)(i) and 10 CFR 50.73(a)(2)(v). Enclosure 2 is a list of North Atlantic Energy Service Corporation (North Atlantic) commitments made in response to this LER.

Should you require further information regarding this matter, please contact Mr. James M.

Peschel, Regulatory Compliance Manager at (603) 773-7194.

Very truly yours, NORTH ATLANTIC ENERGY SERVICE CORP.

ksLZ

[ 'le'd'C. Feigenbadn "V Jg

• Executive Vice President and ChiefNuclear Officer cc: H. J. Miller, NRC Regional Administrator  !

J. T. Harrison, NRC Project Manager, Project Directorate 1-2 I R. K. Lorson, NRC Senior Resident Inspector h j 9905040258 990428 PDR

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North Atlantic Commitments Contained in NYN-99047 Description of Commitment AR#99004956-02 The AR relay internals and covers in both the Train A and Train B EDG EPS's will be replaced with new units prior to startup from the current refueling outage. The existing relay cases will be cleaned to remove any corrosion residue.

AR#99004956-03 The replacement AR relay internals for the Train A and Train B EDG 3 EPS will be confirmed to be properly calibrated before installation. '

AR#99004956-04 The 46 non-safety AR relays associated with the electrical distribution I system will be periodically visually inspected for corrosion and gasket degradation, their contacts will be burnished and the relay cover gaskets will be replaced.