ML19269E592

Forwards LERs 79-009/03L-0 & 79-013/03L-0

ML19269E592
Person / Time
Site:	Beaver Valley
Issue date:	06/21/1979
From:	Werling J DUQUESNE LIGHT CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19269E593	List: 05000334/LER-1979-009-03, /03L-0 on 790320:during Surveillance Test,Diesel Generator 1 Output Breaker Failed to Close Upon Actuation of Control Switch.Cause of Inoperable Breaker Unknown.Operators Reinstructed in Test Circuit & Surveillance Increased 05000334/LER-1979-013-03, /03L-0 on 790522:during Surveillance of Control Room Habitability Sys,Pressure Regulators for Control Room Pressurization Were Found Cycling.Caused by Improper Calibr. Controls Tuned & Procedure Revised ML19269E592
References
BVPS:JAW:680, NUDOCS 7906290328
Download: ML19269E592 (2)

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• DUQUESNE LICllT COMPANY Beaver Valley Power Station Post Office Box 4 Shippingport, PA 15077 June 21, 1979 BVPS: JAW:680 Beaver Valley Power Station, Unit No. 1 Docket No. 50-334, License No. DPR-66 LERs 79-9/03L. 79-13/03L Mr. B. H. Crier, Director Of Regulation United States Nuclear Regulatory Commission 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 Reports are submitted:

LER 79-9/03L, Technical Specification 3.8.1.1, Failure of Diesel Generator Output Breaker To Close. This report is late because of a personnel error.

LER 79-13/03L, Technical Specification 3.7.7.1, Control Room Emergency Bottled Air Pressurization System Inoperable.

Very truly yours, A/

j J.A.Werling(

Superintendent Attachments

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Mr. B. H. Crier June 21, 1979 BVPS: JAW:680 Page 2 cc: Director Of Management & Program Analysis United States Nuclear Regulatory Commission Washington, D. C.

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

20555 D. A. Beckman, Nuclear Regulatory Commission, King of Prussia, PA C. A. Olson, Secretary, Pri=e Movers Committee - EEI 2147 049

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