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Initial Deficiency Rept 67 re Rockwell Intl hydrogen combiners.Reported equipment failures during qualification testing corrected per vendor instructions.Also reported per Part 21 by Rockwell Intl.

Accession Number: ML20065A964

Date Released: Thursday, March 19, 2020

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• ML20065A958 - Initial Deficiency Rept 67 re Rockwell Intl hydrogen combiners.Reported equipment failures during qualification testing corrected per vendor instructions.Also reported per Part 21 by Rockwell Intl. (2 page(s), 2/15/1983)
• ML20065A973 - Part 21 deficiency rept re failure of post-LOCA hydrogen recombiner component switches during qualification testing. Initially reported on 821021.Switch should be eliminated from circuit.Field bulletin issued. (3 page(s), 11/3/1982)
• ML20065B003 - Part 21 deficiency rept re Timetrol SCR power controller failure during qualification testing.Initially reported on 821021.Timetrol unit should be replaced w/Halmar unit. Affected plants listed. (3 page(s), 11/3/1982)