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Forwards LERs 89-005,89-006 & 89-007 for Perry Unit 1.

Accession Number: ML20247K166

Date Released: Thursday, September 17, 2020

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• ML20247K162 - Forwards LERs 89-005,89-006 & 89-007 for Perry Unit 1. (1 page(s), 3/27/1989)
• ML20247K196 - LER 89-005-00:on 890224,drywell head holddown bolts found detensioned during preparations for drywell head removal for refueling outage.Caused by inappropriate installation torque value.Bolts torqued to higher value. (4 page(s), 2/27/1989)
• ML20247K210 - LER 89-006-00:on 890224,primary containment leakage rate through first MSIV before seat drain valves exceeded Tech Spec limit.Caused by misalignment of valve disc.Seat polishing & machining of poppet seals performed. (4 page(s), 3/27/1989)
• ML20247K216 - LER 89-007-00:on 890227,source-range monitor signal/noise ratio not verified prior to entering Operation Condition 5. Caused by personnel error.Personnel counseled & note added to Tech Spec rounds to clarify applicability requirements. (3 page(s), 3/29/1989)