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{{Adams
#REDIRECT [[CNL-17-125, Description of Changes in Revision 1 of the Sequoyah Nuclear Plant Cyber Security Plan]]
| number = ML17275A446
| issue date = 09/29/2017
| title = Sequoyah Nuclear Plant, Units 1 and 2, Description of Changes in Revision 1 of the Sequoyah Nuclear Plant Cyber Security Plan
| author name = Shea J W
| author affiliation = Tennessee Valley Authority
| addressee name =
| addressee affiliation = NRC/Document Control Desk, NRC/NRR
| docket = 05000327, 05000328
| license number = DPR-077, DPR-079
| contact person =
| case reference number = CNL-17-125
| package number = ML17275A444
| document type = Letter, Security Plan
| page count = 2
}}
 
=Text=
{{#Wiki_filter:SECURITY-RELATED INFORMATION
- WITHHOLD UNDER 10 CFR 2.390 This letter is decontrolled when separated from the enclosure SECURITY-RELATED INFORMATION
- WITHHOLD UNDER 10 CFR 2.390 This letter is decontrolled when separated from the enclosure Tennessee Valley Authority, 1101 Market Street, Chattanooga, Tennessee 37402 CNL-17-12 5  September 29, 2017  10 CFR 50.4 10 CFR 50.54 ATTN:  Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555
-0001    Sequoyah Nuclear Plant, Units 1 and 2 Renewed Facility Operating License Nos. DPR
-77 and DPR
-79 NRC Docket Nos. 50
-327 and 50
-328 
 
==Subject:==
Description of Changes in Revision 1 of the Sequoyah Nuclear Plant Cyber Security Plan Reference 1. Letter from NRC to NEI, "Endorsement o f Addendum 1 to NEI 08
-09, Cyber Security Plan for Nuclear Power Reactors, Revision 6, dated April 2010," dated April 25, 2017 (ML17086A408)
The purpose of this letter provides a description of changes made in Revision 1 of the Sequoyah Nuclear Plant (SQN)
Cyber Security Plan (CSP). SQN CSP Revision 1 (effective date 7/31/2017) added Bright-Line demarcation clarifying information, and incorporated Addendum 1 to NEI 08-09, Revision 6, Cyber Security Plan for Nuclear Power Reactors. Addendum 1 to NEI 08-09, Revision 6, was endorsed for use by the NRC in Reference 1.
 
The changes made in Revision 1 of the SQN CSP were reviewed against the criteria of 10 CFR 50.54(p), and were determined not to decrease the effectiveness of the Site Security Plans including the Physical Security, Training and Qualification, Contingency, and Cyber Security Plans.
 
The enclosure to this letter contains a description of the changes made to the SQN CSP. TVA considers the information contained in the enclosure to be security related information and requests the information be withheld from public disclosure pursuant to 10 CFR 2.390(d)(1).
 
SECURITY-RELATED INFORMATION -WITHHOLD UNDER 10 CFR 2.390 This letter is decontrolled when separated from the enclosure U. S. Nuclear Regulatory Commission CNL-17-125 Page 2 September 29, 2017 There are no new regulatory commitments associated with this submittal.
If there are any questions or if addit i onal information is needed , please contact Edward D. Schrull at (423) 751-3850. Respectfully ,
J. W. Shea Vice President, Nuclear Regulatory Affairs and Support Services
 
==Enclosure:==
Description of Changes For SQN CSP Revision 1 cc: (w/o Enclosure):
NRC Regional Administrator
-Region II NRC Senior Resident Inspector
-Sequoyah Nuclear Plant NRC Project Manager -Sequoyah Nuclear Plant SECURITY-RELATED INFORMATION -WITHHOLD UNDER 10 CFR 2.390 This letter is decontrolled when separated from the enclosure}}

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