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Updated LER 50-237/76-021:on 760406,unacceptable ultrasonic indication found on isolation condenser safe-end.Exact cause not determined.Cracked safe-end sent to BNWL for metallographic analysis.W/760514 ltr.

Accession Number: ML20090E340

Date Released: Monday, April 13, 2020

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• ML20090E337 - Updated LER 50-237/76-021:on 760406,unacceptable ultrasonic indication found on isolation condenser safe-end.Exact cause not determined.Cracked safe-end sent to BNWL for metallographic analysis.W/760514 ltr. (3 page(s), 7/13/1976)
• ML20090E343 - LER 50-237/76-021:on 760406,indication found in isolation condenser sensitized stainless steel safe-end.Cause not stated.Safe-end submitted to BNWL for analysis.Update rept to be submitted when results available.W/760420 ltr. (2 page(s), 4/19/1976)