05000346/LER-1978-074, Forwards LER 78-074/03L-0

Forwards LER 78-074/03L-0

ML19326A085
Person / Time
Site:	Davis Besse
Issue date:	07/20/1978
From:	Murray T TOLEDO EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19326A086	List: 05000346/LER-1978-074, Forwards LER 78-074/03L-0 05000346/LER-1978-074-03, /03L-0:on 780625,containment Isolation Valves CC 1407B & CC 1411B Failed to Operate When Automatically Actuated.Caused by Broken Wires,Probably Due to Strain Caused During Outage.Wires Repaired & Scheme Tested
References
L78-330, NUDOCS 8001310653
Download: ML19326A085 (1)

LER-1978-074, Forwards LER 78-074/03L-0

Event date:
Report date:
3461978074R00 - NRC Website

text

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10LEDO EDISON July 20, 1978 L78-330 FILE: RR 2 (NP-33-78-88)

~3 Docket No. 50-346 g

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.w mo Mr. James G. Keppler M~

IjCj Regional Director, Region III Egs D

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Office of Inspection and Enforcement b

58 U. S. Nuclear Regulatory Commission 799 Roosevelt Road G

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Glen Ellyn, Illinois 60137

Dear Mr. Keppler:

Reportable Occurrence 78-074, Davis-Besse Nuclear Power Station Unit 1 i

Date of Occurrence:

June 25, 1978 Enclosed find three copies of Licensee Event Report 78-074 with a supplenental information sheet, which is being submitted in accordance with Technical Speci-fication 6.9 to provide 30 day written notification. of the subject occurrence.

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Yours truly, g

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^2 Terry D. Murray Station Superintendent Davis-Besse Nuclear Power Station i

TDM/JRL/ljk Enclosures cc:

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

30 copies LER 78-074 Mr. William G. Mcdonald, Director Office of Management Information and Program Control Encl:

3 copies LER 78-074 JUL 2,11978 n

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i 8001310 6.r3 f

ko i THE TCLEDO ED! SON COMPANY EDISON PLAZA 300 MADISON AVENUE TCLEDO CHIO 43552