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Forwards updated LER 79-042/03X-1 & LERs 81-004/03L-0 & 81-006/03L-0.

Accession Number: ML17326A858

Date Released: Thursday, May 31, 2018

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• ML17326A857 - Forwards updated LER 79-042/03X-1 & LERs 81-004/03L-0 & 81-006/03L-0. (2 page(s), 4/9/1981)
• ML17326A859 - Updated LER 79-042/03X-1:on 790814,pressurizer pressure transmitter NPP-152 inadvertently isolated w/pressurizer level transmitter NLP-152.Difference noted between pressurizer pressure indication & heise gauge on 790822. (2 page(s), 4/9/1981)
• ML17326A860 - LER 81-004/03L-0:on 810328,east motor driven auxiliary feed pump found removed from svc twice for repairs to ESW 4-inch Centerline supply valve,WMO-754.Caused by valve stem seized in body & twisted.Centerline valve replaced w/Pratt valve. (2 page(s), 4/9/1981)
• ML17326A861 - LER 81-006/03L-0:on 810317,ground detected & traced to power cable for motor operated isolation valve,IMO-910,in flowpath from RWST to centrifugal charging pumps.Caused by cable damaged near termination at motor operator junction box. (12 page(s), 4/9/1981)