05000346/LER-1978-057, Forwards LER 78-057/01T-0

Forwards LER 78-057/01T-0

ML19319B876
Person / Time
Site:	Davis Besse
Issue date:	06/20/1978
From:	Murray T TOLEDO EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19319B877	List: 05000346/LER-1978-057, Forwards LER 78-057/01T-0 05000346/LER-1978-057-01, /01T-0:on 780607,found That Memory Logic,Giving Offsite Power Protection,Can Be Defeated.Caused by Procedure Deficiency.Procedure Modified Disallowing Backfeeding Feeder Bus from Essential Bus.Design Mod Being Investigated
References
L78-273, NUDOCS 8001280731
Download: ML19319B876 (1)

LER-1978-057, Forwards LER 78-057/01T-0

Event date:
Report date:
3461978057R00 - NRC Website

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. EDISON Juna 20, 1978 L78-273 FILE:

RK 2 (NP-32-78-06)

Ducks: Ka. $0-346

- Licenzo No. NPF-3 Mr. Jamec G. Kepplor

'R pional Director Reginn TII 0111eo al InspecLlan and Enforcement U. S. Nuclear Reguintory CommiSJIcR 799 Eco cvale Road

- G1cu Ellyn. Illinois 60137 Decr Mr. Keppler:

Reportable Occurrence 78-057 Davin-liesse NucIcar Power Station Unit. I Data of Occurrence:

June 7, 1978,,,_

Encir-j find three cupies ut Licensee Event Report 78-05/ with a supplemental

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init loa sheet, which in being submitted in accordance with Technical Speni-ficid 6.9 to provide 14 day written notificat. inn of the subject occurrence.

Ycuru truly, l.

l Tcrry D. Murray Station Superintendent D:vic-Bssse Nuclear l'uwer Station _-

T11M/ JILL /1j k.

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- rat.lue: urex cc: Dr. Ernst volgenau, Director office of Inspection and Enforcement Encl-40 copies LER 78-057 i'

Mr. Willista G. Mcdonald, Director Office of Managament Information and Program Contrn3 Enc '. 2 3 copieu LER 711-057 2 copics telecopied report.

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8001280 7 3/

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Th* TOLEDO ED'LCN COMPANY EDISON PLAZA 300 MADt00M AVENUI-Illt Min. nH;O 4:iR5;'