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Forwards LERs 84-016-00,84-017-00 & 83-014/01X-1.

Accession Number: ML20093M878

Date Released: Thursday, April 16, 2020

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• ML20093M873 - Forwards LERs 84-016-00,84-017-00 & 83-014/01X-1. (1 page(s), 7/19/1984)
• ML20093M880 - LER 84-016-00:on 840619,automatic reactor trip resulted from exceeding 10% power on two of four nuclear power channels, NI 44 & NI 41,w/turbine unlatched.Caused by isolation valve malfunction due to broken gear pin. (3 page(s), 7/17/1984)
• ML20093M896 - LER 84-017-00:on 840620,quadrant power tilt greater than 2% existed longer than 24 h due to control rod B-6 sticking at 56 step position.Cause not determined.Extensive monitoring being performed until cause determined. (4 page(s), 7/17/1984)
• ML20093M904 - Updated LER 83-014/01X-1:on 830309,during refueling,abnormal degradation of fuel rods observed.Caused by primary hydriding,weld defects,stress-related defects & debris induced fretting.Mfg process analysis in progress. (5 page(s), 7/17/1984)