05000346/LER-1979-109, Forwards LER 79-109/03L-0

Forwards LER 79-109/03L-0

ML19211A272
Person / Time
Site:	Davis Besse
Issue date:	12/11/1979
From:	Murray T TOLEDO EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19211A273	List: 05000346/LER-1979-109, Forwards LER 79-109/03L-0 05000346/LER-1979-109-03, /03L-0:on 791113,discovered Couch (Deutsch) Relay Contacts Were Driving High Inductive Loads in 26 Nuclear safety-related Circuits.Caused by Inductive Surge When Contacts Open.Arc Suppression Diodes Added to Circuits
References
L79-1171, NUDOCS 7912170300
Download: ML19211A272 (1)

LER-1979-109, Forwards LER 79-109/03L-0

Event date:
Report date:
3461979109R00 - NRC Website

text

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'e EDISDN L79-1171 December 11, 1979 FILE: RR 2 (NP-33-79-126)

Docket No. 50-346 License No. NPF-3 Mr. James C. Keppler Regional Director, Region III Of fice of Inspection and Enforcement U. S. Nucicar Regulatory Commission 799 Roosevelt Road Glen Ellyn, Illinois 60137

Dear Mr. Keppler:

Reportable Occurrence 79-109 Davis-Besse Nuclear Power Station Unit 1 Date of Occurrence: November 13, 1979 Enclosed are three copies of Licensee Event Report 79-109 with a supplemental information sheet which is being submitted in accordance with Technical Speci-fication 6.9 to provide 30 day written notification of the subject occurrence.

Yours truly, Terry D. Murray Station Superintendent Davis-Besse Nucicar Power Station TDM/ljk Enclosure cc:

Mr. William G. Mcdonald, Director Office of Management Information and Program Control Encl:

3 copics LER 79-109 Dr. Ernst Volgenau, Director Office of Inspection and Enforcement Encl:

30 copies LER 79-109 1592 217 7 91217 0 3cro THE TOLEDO EOISON COMPANY EDISON PLAZA 300 MAOISON AVENUE TOLEOO OHIO 43652