05000346/LER-1980-012, Forwards LER 80-012/03L-0

Forwards LER 80-012/03L-0

ML19296D433
Person / Time
Site:	Davis Besse
Issue date:	02/28/1980
From:	Murray T TOLEDO EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19296D434	List: 05000346/LER-1980-012, Forwards LER 80-012/03L-0 05000346/LER-1980-012-03, /03L-0:on 800201,operator Noticed Loss of Control Room Position Indication for Letdown Cooler Isolation Valve MU2A.Caused by Design Deficiency.Apparently,Someone Brushed Up Against Disconnect Breaker Switch.Switch Reposition
References
L80-143, NUDOCS 8003040579
Download: ML19296D433 (1)

LER-1980-012, Forwards LER 80-012/03L-0

Event date:
Report date:
3461980012R00 - NRC Website

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_ d TotEDO c.a EDISON ED' SON PL AZA 30o MACiSCN A'sENCE Tm.EDO. OH.O 4%S2 February 28, 1980 L80-143 FILE: RR 2 (NP-33-80-16)

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

Dear Mr. Keppler:

Reportable Occurrence 80-012 Davis-Besse Nuclear Power Station Unit 1 Date of Occurrence:

February 1, 1980 Enclosed are three copics of Licensee Event Report 80-012 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, by D N Terry D. Murray Station Superintendent Davis-Besse Nuclear Power Station TDM/lj k Enclosure cc:

Mr. Victor Stello, Jr., Director Of fice of Inspection and Enforcement Encl:

30 copics LER 80-012 Mr. Norman I! aller, Director Office of Management Program Analysis Enc 1:

3 copics LER 80-012 8003040