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Forwards LER 99-001-00,re loss of safeguards electrical bus during refueling surveillance testing which resulted in temporary unavailability of one train of decay heat removal. Commitments made by util are identified in italics.

Accession Number: ML20207L311

Date Released: Saturday, August 8, 2020

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• ML20207L309 - Forwards LER 99-001-00,re loss of safeguards electrical bus during refueling surveillance testing which resulted in temporary unavailability of one train of decay heat removal. Commitments made by util are identified in italics. (1 page(s), 3/10/1999)
• ML20207L327 - LER 99-001-00:on 990211,EDG output breaker failed to remain closed during surveillance testing.Caused by breaker control switch failing to react quickly.Modified closing circuit for EDG output. (5 page(s), 3/10/1999)