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Forwards Abnormal Occurrence AO-269/73-03 re failure to maintain containment integrity unusual event rept re failure to perform periodic test.

Accession Number: ML19308A865

Date Released: Monday, November 18, 2019

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• ML19308A864 - Forwards Abnormal Occurrence AO-269/73-03 re failure to maintain containment integrity unusual event rept re failure to perform periodic test. (2 page(s), 7/10/1973)
• ML19308A868 - Abnormal Occurrence AO-269/73-03:on 730613,during test preparations reactor bldg leak test pressurization line was open to atmosphere.Caused by inadequate procedures.Preheatup checklist of Operating Procedure OP1102/01 revised. (3 page(s), 7/10/1973)
• ML19308A873 - Unusual Event:on 730601,audit revealed periodic test not performed on external grid trouble protective sys logic misunderstanding in test responsibility assignment.Test performed 730610 & test assignment defined. (2 page(s), 7/10/1973)