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Forwards LERs 89-004,89-005,89-006,89-007,89-008,89-009 & 89-010.
Accession Number: ML20247A825
Date Released: Thursday, September 17, 2020
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- ML20247A819 - Forwards LERs 89-004,89-005,89-006,89-007,89-008,89-009 & 89-010. (1 page(s), 3/20/1989)
- ML20247A847 - LER 89-004-00:on 890216,emergency diesel generator trouble alarm received due to inadvertent actuation of safety shutdown valve overspeed trip lever.Caused by personnel error.Responsible supervisor counseled. (3 page(s), 3/20/1989)
- ML20247B431 - LER 89-005-00:ac voltage regulation concerns identified during NRC insp on 870511-0619.Caused by inadequate design. Design Change 88-263 will install annunciation on 69 kV line to alert operator if line voltage cannot support ECCS. (6 page(s), 3/20/1989)
- ML20247B438 - LER 89-006-00:control bldg HVAC design concerns identified during NRC insp on 870511-0619.Caused by inadequate design. Steps to install permanent essential equipment that will provide acceptable room temps being pursued. (3 page(s), 3/20/1989)
- ML20247B447 - LER 89-007-00:on 890217 svc water sys flowrate concerns associated w/ original sys design identified during NRC insp NRC insp on 870511-0619.Caused by inadequate design. Reduction of diesel generator room temps being pursued. (4 page(s), 3/20/1989)
- ML20247B452 - LER 89-008-00:insufficient operator guidance to assure adequate svc water flow during design basis LOCA identified during NRC insp on 870511-0619.Caused by procedural deficiency.Procedures revised. (3 page(s), 3/20/1989)
- ML20247B474 - LER 89-009-00:svc water sys inservice testing concerns identified during NRC insp on 870511-0619.Cause not stated.Inservice testing program procedure for pump testing,providing specific trending guidance,upgraded. (4 page(s), 3/20/1989)
- ML20247B500 - LER 89-010-00:diesel generator room ambient temp control inadequacies identified during NRC insp on 870511-0619. Caused by error in original plant design.Design Change 87-132 provided permanent mod to eliminate deficiency. (3 page(s), 3/20/1989)
