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Forwards LERs 81-040/03L-0,81-041/03L-0,81-042/03L-0 & 81-043/03L-0.

Accession Number: ML20011A734

Date Released: Saturday, January 25, 2020

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• ML20011A733 - Forwards LERs 81-040/03L-0,81-041/03L-0,81-042/03L-0 & 81-043/03L-0. (1 page(s), 10/16/1981)
• ML20011A737 - LER 81-040/03L-0:on 810923,plant stack effluent monitor found inoperable due to data transmit error.Inverter 2A tripped,de-energizing bus 24.Cause of transmit error not determined.Inverter trip caused by transient voltage spike. (1 page(s), 10/16/1981)
• ML20011A738 - LER 81-041/03L-0:on 810930,during testing,instrumentation loop associated w/LT-461 found inoperable when comparator card failed to meet voltage setpoint criteria.Caused by component drift on comparator card.Card replaced. (1 page(s), 10/16/1981)
• ML20011A741 - LER 81-042/03L-0:on 811001,containment atmosphere particulate radioactivity monitoring sys found inoperable when indication failed low.Caused by broken wire in instrumentation drawer.Wire repaired. (1 page(s), 10/16/1981)
• ML20011A743 - LER 81-043/03L-0:on 810918,following performance of operability test,diesel generator 1C found inoperable when tripped under load.Caused by high crankcase pressure resulting from cylinder lining scoring. (1 page(s), 10/16/1981)