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Forwards LER 89-006-00 re misposition of unborated water source locked valves.In addition to corrective actions review of operating experience revealed no specific trends or indications of diminished performance.W/890428 ltr.

Accession Number: ML20245F740

Date Released: Tuesday, September 15, 2020

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• ML20245F737 - Forwards LER 89-006-00 re misposition of unborated water source locked valves.In addition to corrective actions review of operating experience revealed no specific trends or indications of diminished performance.W/890428 ltr. (2 page(s), 4/28/1989)
• ML20245F787 - LER 89-006-00:on 890409 & 17,letdown isolation valve found in open position & energized w/normal letdown secured & air supply valve to excess letdown isolation valve found in open position contrary to requirements,respectively.W/890428 ltr. (4 page(s), 4/28/1989)