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Forwards 10CFR21 rept as suppl to 790910 deficiency rept re design inadequacy in fan cooling sys.Vendor instructions advise fan blade switch replacement.Only three sites involved.No bulletin or circular warranted.

Accession Number: ML19211B725

Date Released: Saturday, November 7, 2020

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• ML19211B724 - Forwards 10CFR21 rept as suppl to 790910 deficiency rept re design inadequacy in fan cooling sys.Vendor instructions advise fan blade switch replacement.Only three sites involved.No bulletin or circular warranted. (1 page(s), 10/2/1979)
• ML19211B728 - Suppl to 790910 deficiency rept re design inadequacy in emergency diesel generator fan cooling sys.Ambient temp ranges exceed capability of fan cooling sys.Alternate solutions under evaluation. (1 page(s), 9/14/1979)