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Forwards LERs 79-103/03L-0,79-104/03L-0 & 79-102/03X-1.

Accession Number: ML19257D703

Date Released: Saturday, September 28, 2019

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• ML19257D702 - Forwards LERs 79-103/03L-0,79-104/03L-0 & 79-102/03X-1. (1 page(s), 1/29/1980)
• ML19257D707 - LER 79-103/03L-0:on 791230,during Mode 1 operation,plant protection sys B log power failed low.Caused by ex-core channel B pre-amp failure.Pre-amp replaced & channel B tested & returned to svc. (1 page(s), 1/29/1980)
• ML19257D708 - LER 79-104/03L-0:on 791230,immediately following plant trip, steam driven emergency feedwater pump started & then tripped on turbine overspeed.Caused by isolated steam trap resulting in condensate line.Administrative controls instituted. (1 page(s), 1/29/1980)
• ML19257D709 - LER 79-102/03X-1:on 791221,during Mode 1 operation,core protection calculator C failed.Caused by failed RCP speed input to calculator channel.Speed probe & cable replaced during following outage to prevent recurrence. (1 page(s), 1/29/1980)