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

/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

ML19319B880
Person / Time
Site:	Davis Besse
Issue date:	06/20/1978
From:	Albert J TOLEDO EDISON CO.
To:	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
LER-78-057-01T, LER-78-57-1T, NUDOCS 8001280735
Download: ML19319B880 (1)

LER-1978-057, /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

Event date:
Report date:
3461978057R01 - NRC Website

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to supply the annential bus and back

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