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Forwards LERs 81-044/03L-0,81-046/03L-0,81-047/03L-0 & 81-051/03L-0.

Accession Number: ML20031D090

Date Released: Tuesday, December 1, 2020

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• ML20031D089 - Forwards LERs 81-044/03L-0,81-046/03L-0,81-047/03L-0 & 81-051/03L-0. (1 page(s), 9/30/1981)
• ML20031D104 - LER 81-044/03L-0:on 810901,review of test program disclosed that monthly testing of 4kV underfrequency reactor protection circuits was not being performed.Caused by sys design not permitting on-line functional testing. (2 page(s), 9/30/1981)
• ML20031D111 - LER 81-046/03L-0:on 810910,control rods from power cabinet 1AC became inoperable.Caused by failed regulation card in cabinet which contributed to rod M-4 dropping which caused radial flux tilt.Card replaced. (3 page(s), 9/30/1981)
• ML20031D116 - LER 81-047/03L-0:on 810912,dose equivalent I-131 level in RCS exceeded Tech Spec limit.Caused by fuel element defect in reactor core.Activity of RCS monitored. (3 page(s), 9/30/1981)
• ML20031D126 - LER 81-051/03L-0:on 810904,charging pump svc water subsys was returned to svc w/o first having completed hydrotest. Caused by loss of administrative control during implementation & testing of design change package.Test done. (2 page(s), 9/30/1981)