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Forwards LERs 79-068/3L-0,79-069/03L-0 & 79-071/03L-0.

Accession Number: ML19269D662

Date Released: Thursday, October 10, 2019

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• ML19269D661 - Forwards LERs 79-068/3L-0,79-069/03L-0 & 79-071/03L-0. (1 page(s), 6/6/1979)
• ML19269D663 - LER 79-068/03L-0 on 790508:radiation monitoring channels RM-RMS-159 & RM-RMS 160 were declared inoperable due to failure of sample pumps 1-RM-RMS 159A & 159B.Caused by solenoid valve coil shoring out.Coil replaced. (2 page(s), 6/6/1979)
• ML19269D666 - LER 79-069/03L-0 on 790508:during load transient,axial flux difference deviated greater than 5% from target for four minutes.Caused by rapid load reduction of 100 MW due to loss of drain pump A.Control rods withdrawn. (2 page(s), 6/6/1979)
• ML19269D668 - LER 79-071/03L-0 on 790511:during periodic test at steady state operation,low head safety injection pump 1A discharge valve failed to open within 40-s.Cause unknown.Valve manually opened,reseated & returned to operation. (2 page(s), 6/6/1979)