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Forwards LER 91-021-01 & summary of 920305 meeting w/NRC re addl info for second level undervoltage (degraded voltage).

Accession Number: ML17177A587

Date Released: Monday, July 31, 2017

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• ML17177A588 - Forwards LER 91-021-01 & summary of 920305 meeting w/NRC re addl info for second level undervoltage (degraded voltage). (1 page(s), 8/14/1992)
• ML17177A585 - LER 91-021-01:on 910731,NRC insp team questioned whether setting of 4 KV emergency bus second level undervoltage relays would protect Class 1E equipment.Caused by transformer voltage drops.Relays installed. (4 page(s), 8/22/1991)
• ML17252A742 - Forwards response to NRC 920305 meeting request for addl info re second level undervoltage (degraded voltage). (18 page(s), 3/18/1992)