ML20244D722
| ML20244D722 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 04/11/1989 |
| From: | Michael Ray TENNESSEE VALLEY AUTHORITY |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| IEB-88-003, IEB-88-3, NUDOCS 8904240085 | |
| Download: ML20244D722 (3) | |
Text
--
TENNESSEE VALLEY AUTHORITY CHATTANOOGA. TENNESSEE 3740f SN 157B Lookout. Place APR 111989 4
U.S. Nuclear. Regulatory Commission ATTN: Document Control Desk Hashington, D.C.
20555
' Gentle' men:
Docket No. 50-328
)
In the Matter of
)
Tennessee Valley Authority SEQUOYAH NUCLEAR PLANT (SQN) UNIT 2 - NRC BULL RESULTS NRCBulletinNo.8k-03:Inadequate Latch Engagement in HFA i
Type Latching Relays Manufactured by General Electric (GE)
References:
1.
l Company, dated March 10, 1988 TVA letter to NRC dated July 6, 1988, " Tennessee Valley Authority (TVA) - Nuclear Regulatory Commission (NRC) 2.
Bulletin 88-03, Inadequate Latch Engagement in HFA-Type Latching Relays Manufactured by General Electric (GE) Company" This letter provides the results of the SQN unit 2 inspections, as required by reference 1 and as committed to NRC by TVA in reference 2.
4 In accordance with NRCB No. 88-03, SQN identified and inspected a total o These relays are GE model 12HFA54E187H and are the HFA relays for unit 2.
These relays are located in the 6,900-volt shutdown These inspections were performed non-century-service type.
boards 2A-A and 28-B (13 relays per board).
0-317-80.
This SMI and documented by special maintenance instruction (SMI) incorporated the actions requested (items 1 through 3) by reference 1.
The results of these inspections document that none of the subject relays were Therefore, no corrective repairs found to have inadequate latch engagement.
or replacement of these relays were required.
This letter documents the completion of the actions requested and repor requirements for SQN unit 2 HFA relays.or corrective actions will be Therefore, upon the results of both SQN units 1 and 2 HFA relay in completed.
2$00$ $
3e
$1 Il l An Equal Opportunity Employer
---:2__--____.
.~
l J.
-e
..,j.
U.S. Nuclear Regulatory Comission APR 111989 '
Please direct questions concerning this issue to B. S. Schofield at (615) 843-6172.
Very truly yours, TENNESSEE VALLEY AUTHORITY
/
g M.'J. Ray, Manager Licensing Project Management s/
a 1
9 Gau/A #WAA "j/8 Notary Pubile My Commission Expires cc: Ms. S. C. Black, Assistant Director for Projects TVA Projects Division U.S. Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852 Ms. L. J. Watson, Acting Assistant Director for Inspection Programs TVA Projects Division U.S. Nuclear Regulatory Commission Region II.
101 Marietta Street, NH, Suite 2900 Atlanta, Georgia 30323 Sequoyah Resident Inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road Soddy Daisy, Tennessee 37379 w____-------_-
ENCLOSURE
- 1. TVA will inspect the spare stock HFA relays ordered on h
Contract No. 88NLF-35522B (item 1) in accordance with NRCB 88-03 before their use.
1 9