05000334/LER-1979-006, Forwards LER 79-006/03L-0

Forwards LER 79-006/03L-0

ML19263C492
Person / Time
Site:	Beaver Valley
Issue date:	02/20/1979
From:	Werling J DUQUESNE LIGHT CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19263C493	List: 05000334/LER-1979-006, Forwards LER 79-006/03L-0 05000334/LER-1979-006-03, /03L-0 on 790120:vital Bus Inverter 3 Failed Resulting in Loss of Voltage on Bus.Caused Reactor to Trip on False Indication of 1C Reactor Coolant Pump Breaker Opening.Failure Caused by Faulty Components in Inverter
References
BVPS:JAW:637, NUDOCS 7902260346
Download: ML19263C492 (2)

LER-1979-006, Forwards LER 79-006/03L-0

Event date:
Report date:
3341979006R00 - NRC Website

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(412) 471 4 300 435 Sexth Avenue gurch. Pennsylvanla Beaver Valley Power Station Post Office Box 4 Shippingport, PA 15077 February 20, 1979 BVPS: JAW:637 Beaver Valley Power Station, Unit No. 1.

Docket No. 50-334, License No. DPR-66

,LER 79-6/03L Mr. B. H. Grier, Director of Regulation United States Nucicar Regulatory Cocnission Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. Crier:

In accordance with Appendix A, Beaver Valley Technical Specifications, the following Licensee Event Report is submitted:

LER 79-6/03L, Technical Specification 3.8.2.1, one l_0V AC Vital Bus Inoperable.

Very truly yours, J. A. Werling Superintendent Attachment W )

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79022603%

Mr. B. H. Grier February 20, 1979 BVPS: JAW:637 Page 2 Director Of Management & Program Arialysis #

cc:

United States Nuclear Regulatory Commission Washington, D. C.

20555 D. L. Wigginton, BVPS Licensing Project Manager United States Nuclear Regulatory Commission Washington, D. C.

20555 D. A. Beckman, Nuclear Regulatory Commission, King of Prussia, PA G. A. Olson, Secretary, Prime Movers Committee - EEI e

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