Home > NRC Library > ADAMS Public Documents

Submits deficiency rept re grounding of components in Westinghouse 7300 Series Process Control Sys.When process cards are inserted into card slots,heat sinks on transistors could become grounded from contact w/frame guide slot.

Accession Number: ML19247B003

Date Released: Wednesday, September 18, 2019

Package Contents

The following links on this page are to Adobe Portable Document Format (PDF) files. To obtain a free viewer for displaying this format, see our Plugins, Viewers, and Other Tools.

• ML19247B002 - Submits deficiency rept re grounding of components in Westinghouse 7300 Series Process Control Sys.When process cards are inserted into card slots,heat sinks on transistors could become grounded from contact w/frame guide slot. (3 page(s), 8/3/1979)
• ML19247B006 - Deficiency rept re component failures in 7300 Series Westinghouse Process Control Sys.Site personnel believe failures in chip that controls output of bistables causes bistables to be inoperative in non-trip condition. (3 page(s), 8/3/1979)