05000346/LER-1977-091, Forwards LER 77-091/03L-0

Forwards LER 77-091/03L-0

ML19329D286
Person / Time
Site:	Davis Besse
Issue date:	12/01/1977
From:	Murray T TOLEDO EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19329D287	List: 05000346/LER-1977-091, Forwards LER 77-091/03L-0 05000346/LER-1977-091-03, /03L-0:on 771107,containment Radiation Monitor RIS 2006 Spiked & Reset Twice Causing Safety Features Actuation Sys Incident Level 1 Trips.Caused by Design Error
References
L77-430, NUDOCS 8002270853
Download: ML19329D286 (1)

LER-1977-091, Forwards LER 77-091/03L-0

Event date:
Report date:
3461977091R00 - NRC Website

text

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L77-430 December 1, 1977 7

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FILE: RR.2 (NP-33-77-91)

CEgg Docket No. 50-346 a

License No. NPF-3 p u,s,g 77h g

h' Regional Director, Region III

'Q3 ' g '\\(y Mr. James G. Keppler W,

Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, Illinois 60137

Dear Mr. Keppler:

Reportable Occurrence NP-33-77-91 Davis-Besse Nuclear Power Station Unit 1 Date of Occurrence: November 7, 1977 Enclosed find three copies of Licensee Event Report NP-33-77-91 with a supple-mental information sheet which is being submitted in accordance with Technical (m) Specification 6.9 to provide 30 day written notification of the subject occur-v' rence.

Yours truly, l

O Terry D. Murray Station Superintendent Davis-Besse Nuclear Power Station TDM/JRL/ljk Enclosures cc:

Dr. Ernst Volgenau, Director Office of Inspection and Enforcement Encl:

30 copies Licensee Event Report 30 copies Supplemental Information Sheet Mr. William G. Mcdonald, Director Office of Management Information and Program Control Enc 1:

3 copies Licensee Event Report

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3 copies Supplemental Information Sheet

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