ML20003C104

Forwards LERs 81-010/03L-0,81-011/03L-0,81-012/03L-0 & 81-013/03L-0

ML20003C104
Person / Time
Site:	Beaver Valley
Issue date:	02/20/1981
From:	Werling J DUQUESNE LIGHT CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20003C105	List: 05000334/LER-1981-010-03, /03L-0:on 810121,RCS Loop 1 Low Flow Channel 414 Annunciator Began Intermittently Flashing in Alarm.Caused by Low Voltage Input to Transmitter.Annunciator Adjusted & Channel Returned to Svc 810123 05000334/LER-1981-011-03, /03L-0:on 810121,electrolyte Detectors 101A & B Found Not Dripping & 101C Detector Had Slow Drip Rate.Cause Under Investigation.Detectors Adjusted,Repaired & Declared Operable on 810129 05000334/LER-1981-012-03, /03L-0:on 810203,all Three Chlorine Detectors Failed Drip Rate Criteria.Cause Under Investigation. Detectors Repaired & Declared Operable 810204 05000334/LER-1981-013-03, /03L-0:on 810121,routine Lab Analysis Showed That Methyl Iodide Removal Efficiency for Bed Had Fallen Below Acceptable Level Resulting in Inoperability of Main Filter Bank 1A.Caused by Worn Out Charcoal Bed.Bank Repacked ML20003C104
References
BVPS:JAW:1110, NUDOCS 8102260630
Download: ML20003C104 (2)

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Y' DUQUESNE LIGHT COMPA:,Y Beaver Valley Power Station Post Office Box 4 Shippingport, PA 15077 February 20, 1981 BVPS: JAW:ll10 Beaver Valley Power Station, Unit No. 1 Docket No. 50-334, License No. DPR-66 LERs 81-010/03L, 81-Oll/03L, 81-012/03L, 81-013/03L i

1 Mr. B. H. Crier, Director of Regulation United States Nuclear Regulatory Coc: mission Region 1 631 Park Avenue King of Prussja, Pennsylvania 19406

Dear Mr. Crier:

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

LER 81-010/03L, Technical Specification 3.3.1.1, Reactor Trip System Instrumentation.

LER 81-Oll/03L, Technical Specification 3.3.3.7, Chlorine Detection System.

f LER 81-012/03L, Technical Specification 3.3.3.7, Chlorine Detection System.

f LER 81-013/03L, Technical Specification 3.7.8.1, Supple::tental Leak Collection l

And Release System.

Very truly yours, g-J. A. Werling Superintendent Attachme,nts

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Mr. B. H. Crier February 20, 1981 BVPS: JAW:1110 Page 2 Director Of Management & Program Analysis w/

cc:

United States Nuclear Regg iatory Commission Washington, D. C.

20555 D. A. Chaney, BVPS Licensing Project Manager United States Nuclear Regulatory Commission Washington, D. C.

20555 D. A. Beckman, Nuclear Regulatory Commission BVPS Site Inspector Nuclear Safety Analysis Center, Palo Alto, California 4

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