ML20151N902

Forwards Insp Repts 50-327/88-22 & 50-328/88-22 on 880319- 0402.One Unresolved Item Noted Re Closed Auxiliary Feedwater Block Valve.Response Addressing Root Cause & Corrective Actions Requested within 30 Days of Ltr Date

ML20151N902
Person / Time
Site:	Sequoyah
Issue date:	04/13/1988
From:	Mccoy F NRC OFFICE OF SPECIAL PROJECTS
To:	White S TENNESSEE VALLEY AUTHORITY
Shared Package
ML20151N905	List: ML20151N902 ML20151N912
References
NUDOCS 8804260040
Download: ML20151N902 (2)

See also: IR 05000327/1988022

Text

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AJ)R 131988

Docket Nos.: 50-327 and 50-328

License Nos.: DPR-77 and DPR-79

Tennesee Valley Authority

yAITN: Mr. S. A. White

Manager of Nuclear Power

6N 38A Lookout Place

1101 Market Square

Chattanooga, TN 37402-2801

Centlemen:

SUBJECT: NRC INSPECTION REPORT NOS. 50-327/88-22 AND 50-328/88-22

This refers to the special Nuclear Regulatory Commission (NRC) heatup shift

coverage inspection conducted by the NRC's Sequoyah Restart Task Force on

March 19, 1988 thru April 2, 1988. The inspection included a review of the

activities associated with the heatup of Sequoyah Unit 2. At the conclusion

of the inspection, the findings were discussed with those members of your

staff identified in the enclosed inspection report.

Areas examined during the inspection are identified in the report. These

areas included extended control room observation and operational safety

verification. Within these areas, the inspection consisted of selective

examinations of procedures and representative records, interviews with I

personnel, end observation of activities in progress. i

One unresolved item was identified concerning closed a auxiliary feedwater

block valve, 2-HCV-3-866, which rendered the turbine driven auxiliary ,

feedwater pump unable to feed the number 2 steam generator in the event of an !

accident condition. This issue is further addressed in paragraph 9 of the l

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enclosed report. It is requested that you provide a response, within 30 days

of the date of this letter, that addresses the root cause of this occurrence

and the corrective action you plan to take.

In accordance with Section 2.790 of the NRC's "Rules of Practice," Part 2

Title 10, Code of Federal Regulations, a copy of this letter, its enclosures,

and any reply will be placed in the NRC's Public Document Room.

The responses directed by this letter and its enclosures are not subjected to

the clearance procedures of the Office of Management and Budget as required

by the Paperwork Reduction Act of 1980, PL 96-511.

8804260040 880413

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O ADOCK 05000327

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Should you have any questions concerning this letter, please contact us.

Sincerely,

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Frank R. Mc oy

Sequoyah Startup Manager

Office of Special Projects

Enclosures:

NRC Inspection Report

1. cew/encls:

.L. Abercrombie, Site Director

Sequoyah Nuclear Plant

v77 A. Kirkebo, Director,

Nuclear Engineering

Urf L. Gridley, Director

Nuclear Safety and Licensing

vM7 R. Harding, Site Licensing

fanager

@ A Representative, Bethesda Office

bec w/encls:

v5'. D. Ebneter, OSP

'G4 D. Richardson, OSP

LOT G . Zech, OSP

Ulf D. Liav, OSP ,

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W. S. Little, OSP/RII

F. R. McCoy, OSP/RII

R. E. Carroll, OSP/RII

J. B. Brady, OSP/RII

vM Rutberg, OGC

LRRC Resident Inspector

DRS Technical Assistant ,

NRC Document Control Desk j

State of Tennessee I

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PENGR SMNGR

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