ML19327C028
| ML19327C028 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 11/06/1989 |
| From: | Michael Ray TENNESSEE VALLEY AUTHORITY |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| IEB-88-010, IEB-88-10, NUDOCS 8911150091 | |
| Download: ML19327C028 (2) | |
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TENNEOCEE VALLEY AUTHORITY CHATTANOOGA. TENNELSEE 374ol i
SN 157B Lookout Placo NOV061989 l
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U.S. Nuclear Regulatory Commission ATTW:
Document Control Desk Washington, D.C.
20555 Gentlemen:
In the Matter of
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Docket Nos. 50-327 Tennessee Valley Authority
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50-328 SEQUOYAH NUCLEAR PLANT (SQN) - RESPONSE TO BULLETIN 88-10, SUPPLEMENT 1:
NONCONFORMING MOLDED-CASE CIRCUIT BREAKERS I
This letter provides SQN's response to NRC Bulletin 88-10, Supplement 1.
The initial review performed by SQN was in accordance with the seven NRC positions j
specified in Supplement 1.
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i However, further review has identified several additional molded-case circuit breakers procured for maintenance activities and plant. modifications. An i
incident investigation is ongoing at SQN, and the problem has been discussed
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with NRC's project manager for SQN. When the investigation is confleted, a revised submittal will be provided.
1 As required by the original bulletin, future procurement of molded-case circuit breakers for Class 1E applications will be traceable to the circuit breaker taanufacturer. Records associated with the NRC Bulletin 88-10 review j
will be maintained for a period of five years.
No commitments are contained in this submittal.
If there are any questions concerning this issue, please telephone T. L. Pitts at (615) 751-8087.
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Very truly yours, j
TENNESSEE VALLEY AUTHORITY
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Manage Nuclear Licensing and Regulatory Affairs cc: 'See page 2 I
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1 8911150091 891106 PDR ADOCK 05000327 Q -
PDt An Equal Opportunity Employer
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~2-U.S. Nuclear Regulatory Commission NOV 061989 i
r cc:
Ms. S. C. Black Assistant Director i'
for' Projects TVA Projects Division U.S. Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852 Mr. B. A. Wilson, Assistant Director for Inspection Programs TVA Projects Division U.S. Nuclear Regulatory Commission Region II 101 Marietta Street, NW, Saite 2900 Atlanta, Georgia 30323 WRC Resident Inspector Coquoyah Nuclear Plant 2600 Igou Ferry Road Soddy Daisy. Tennessee 37379 5
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