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Forwards LERs 88-006-00,88-007-00 & 88-008-00.

Accession Number: ML20149H987

Date Released: Thursday, June 11, 2020

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• ML20149H984 - Forwards LERs 88-006-00,88-007-00 & 88-008-00. (1 page(s), 2/18/1988)
• ML20149J012 - LER 88-006-00:on 880119,reactor protection sys B motor- generator set output circuit breaker tripped open on overvoltage,resulting in plant isolation.Root cause undetermined.Procedure developed for calibr of regulator. (3 page(s), 2/18/1988)
• ML20149J024 - LER 88-007-00:on 880122,reactor protection sys actuation occurred due to high scram discharge vol level.Caused by personnel error.Personnel involved counseled on need to perform more thorough review. (2 page(s), 2/18/1988)
• ML20149J027 - LER 88-008-00:on 880123,unexpected partial Div 2 NSSS balance of plant isolation occurred.Caused by deficiency involving testability of equipment.Review of surveillance instructions performed. (3 page(s), 2/18/1988)