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Submits interim response to 790620 memo re HPI pump performance during TMI incident.Manual starting difficulty for pump 1A appears caused by contact bounce.Most pump trips caused by operator action.

Accession Number: ML19248D372

Date Released: Thursday, October 24, 2024

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• ML19248D371 - Submits interim response to 790620 memo re HPI pump performance during TMI incident.Manual starting difficulty for pump 1A appears caused by contact bounce.Most pump trips caused by operator action. (1 page(s), 7/16/1979)
• ML19248D380 - Resquests high priority investigation re cause of frequent HPI pump tripping during first 16-h of TMI-2 event,in order that significant generic reactor safety implications can be quickly identified. (1 page(s), 6/20/1979)