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Forwards second interim deficiency rept re cracks in reactor pressure vessel shield wall.Final rept to be submitted before 801003.Will provide addl info re repair of shield wall & corrective actions.

Accession Number: ML19320B493

Date Released: Saturday, November 30, 2019

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• ML19320B492 - Forwards second interim deficiency rept re cracks in reactor pressure vessel shield wall.Final rept to be submitted before 801003.Will provide addl info re repair of shield wall & corrective actions. (1 page(s), 7/3/1980)
• ML19320B496 - Second interim deficiency rept re cracks in reactor pressure vessel shield wall.Discovered base metal cracks in shield wall inner shell plates.Evaluation revealed crack initiated at toe of tack weld bead of backing strip. (2 page(s), 7/3/1980)