05000346/LER-1977-090, Forwards LER 77-090/03L-0

Forwards LER 77-090/03L-0

ML19326A492
Person / Time
Site:	Davis Besse
Issue date:	12/01/1977
From:	Jenny Murray TOLEDO EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19326A493	List: 05000346/LER-1977-090, Forwards LER 77-090/03L-0 05000346/LER-1977-090-03, /03L-0:on 771107,during Review of Deficiency in Steam & Feedwater Rupture Control Sys Monthly Test,Reactor Coolant Pump Found Inoperable.Caused by Component Failure. Voltage Regulating Diode Replaced
References
L77-429, NUDOCS 8002040679
Download: ML19326A492 (1)

LER-1977-090, Forwards LER 77-090/03L-0

Event date:
Report date:
3461977090R00 - NRC Website

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TCLEDO

%sm EDISON December 1, 1977 L77-429

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Docket No. 5 348

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Mr..'.ames G. Keppler i' '

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,,,.i Regional Director, Region III

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U. S. Nuclear Regulatory Commission

,3j,j" 799 Roosevelt Road Glen Ellyn, Illinoir 60137

Dear Mr. Keppler:

Reportable Occurrence NP-33-77-90 Davis-Besse Nuclear Power Station Unit 1 Date of Occurrence: November 7, 1977 Enclosed find three copies of Licensee Event Report NP-33-77-90 with a supple-mental information sheet, which is being submitted in accordance with Techni-3 cal Specification 6.9 to provide 30 day written notification of the subject occurrence.

Yours truly, Terry D. Murray Station Superintendent Davis-Besse Nuclear Power Station 9

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 i:li i Mr. William G. Mcdonald, Director Office of Management Information and Program Control Encl: 3 copies Licensee Event Report 3 copies Supplemental Information Sheet m ====ee (y

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THE TCLEDO EC'SCN COMPANY ECISCN PLAZA 200 MACISCN AVENUE TCLECO. CHC J3552