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Forwards LERs 83-066/03L-0,83-067/03L-0,83-068/03L-0, 83-069/03L-0,83-045/03L-0 & 83-047/03L-0.

Accession Number: ML20081M597

Date Released: Saturday, April 4, 2020

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ML20081M592 - Forwards LERs 83-066/03L-0,83-067/03L-0,83-068/03L-0, 83-069/03L-0,83-045/03L-0 & 83-047/03L-0. (1 page(s), 11/7/1983)
ML20081M612 - LER 83-066/03L-0:on 831007,train B control room emergency air cleanup sys declared inoperable when emergency power source declared inoperable.Caused by diesel generator 1B being declared inoperable. (1 page(s), 11/7/1983)
ML20081M624 - LER 83-067/03L-0:on 831007,train A control room emergency air cleanup sys declared inoperable when pressure indicator PDI-2768A did not meet acceptance criteria of Tech Spec 3.7.7.Caused by failure of drive converter for damper 2768A. (1 page(s), 11/7/1983)
ML20081M643 - LER 83-068/03L-0:on 831008,instrumentation channel associated w/level indicator LI-3282A declared inoperable when indications failed to increase w/increasing sump level. Caused by malfunctioning level switch mechanism. (2 page(s), 11/7/1983)
ML20081M665 - LER 83-069/03L-0:on 831008,radiation monitors R-11 & R-12 declared inoperable when vacuum pump tripped.Caused by electrical transient resulting from Unit 2 loss of offsite power.Pump reset & monitors returned to svc. (1 page(s), 11/7/1983)
ML20081M683 - LER 83-045/03L-0:on 831006,source range monitor N-32 declared inoperable when review revealed that Functional Check FNP-2-STP-41.1 not performed within allowed time. Caused by personnel error.Check performed. (1 page(s), 11/7/1983)
ML20081M703 - LER 83-047/03L-0:on 831008,offsite power to startup transformers 2A & 2B lost.Caused by phase-to-ground fault on Phase 3 of breaker 830.Breaker 830 isolated & startup transformers 2A & 2B reenergized. (1 page(s), 11/7/1983)