ML19207B867

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Final Deficiency Rept Re Potential Grounding of Components on Certain Process Cards in Westinghouse 7300 Series Process Control Sys.Replacement Cards Should Be Available by Feb 1980 & Will Be Installed in Modified Component Layout
ML19207B867
Person / Time
Site: North Anna Dominion icon.png
Issue date: 08/31/1979
From: Brown S
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
638A, NUDOCS 7909050449
Download: ML19207B867 (1)


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h Vepco VIRGINI A ELECTRIC AND POWER COMP ANY, RICHMOND. VIRGINI A 23.6f August 31. 1979 Serial No. 638A Mr. James P. O'Reilly, Director PSELC/JMD:mac: wang Office of Irspection & Enforcement U. S. Nuclehr Regulatory Comission Docket No. 50-339 Region II 101 Marietta Street, Suite 3100 Atlanta, Georgia N303 Dear Mr. O'Reilly concerning the potenti11 gecunding of cocoonents the Westinghouse 7200 Series Process Control System.

types NLL, NPD, NVP, and 103 when insertv1 into tne frame N ::*ccess card b ?at sinks due *.o tSe slott had the catentill of arounding transistorTM 1LL cris have Acen :nodifiM to a ccm onent 'r/out. tyus of cris have bean reviwad by theReplacament suoalier ccrcean. The other thraa ard T modification in the layout of ' omponents has 1een de' ise f.and NCB rcodified cards for the 'tiO, NVP,The cards will then he changed out as soon supplie- in February,1980.

thereafter is plant operations pemit.

This is our final report on this subject. If further information is desired, please advise. /

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4l/b[7 b $3n C. 3rewn, Jr. /)i Senio~ Vice President - Power 3titt on Engineering r- dConstruction #

cc: Mr. Victor Stello, Director Office of Inspection & Enforcement

r. Harold R. Denton, Director Office of Nuclear Reactor Regulation a

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