ML20155A810
| ML20155A810 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 09/28/1988 |
| From: | Michael Ray TENNESSEE VALLEY AUTHORITY |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| IEB-88-003, IEB-88-3, NUDOCS 8810060084 | |
| Download: ML20155A810 (3) | |
Text
TENNESSEE VALLEY AUTHORITY CH ATTANOOGA. TEf 4NESSEE 37401 i
5N 157B Lookout Place SEP 281988 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C.
20555 Gentlemen:
In the Matter of
)
Docket No. 50-327 Tennessee Valley Authority
)
SEQUOYAH NUCLEAR PLANT (SQN) UNIT I - NRC BULLETIN (NRCB) NO. 88-03 INSPECTION RESULTS
References:
1.
NRC Bulletin No. 88-03:
Inadequate Latch Engagement in HFA Type Latching Relays Manufactured by General Electric (GE) Company, dated March 10, 1988 l
2.
TVA letter to NRC dated July 6, 1988, "Tennessee Valley Authority (TVA) - Nuclear Regulatory Commission (NRC)
Bulletin 88-03, Iradequate Latch Engagement in HFA-Type Latching Relays knufactured by General Electric (GE) l Company" This letter provides the results of the SQN unit 1 inspections, as required by reference I and as committed to NRC by TVA in reference 2.
l I
A total of 26 HFA relays was inspected on the 6,900-volt shutdown boards IA-A and IB-B (13 relays per board). Two of these 26 relays were contained in spare compartments.
These inspections were performed and documented by special maintenance instruction (SMI) 0-317-80.
This SMI i
l incorporated the actions requested (items 1 through 3) by reference 1.
1 The results of these inspections document that none of the subject relays were found to have inadequate latch engagement.
Therefore, no corrective repairs or replacements of these relays were required.
Twelve spare relays, ordered on Contract No. 88NLF-35522B (item 1), have h
recently been received on site.
These relays will be inspected before l
their installation to verify the date code as spectfled by NRCB 88-03 (actions requested, item 4).
1 I
This completes the actions requested and reporting requirements for SQN
(
unit 1 HFA relays.
The enclosure contains the commitment made by this i
letter.
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i e910060084 08092G PDR ADOCK 0500 7
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_., o _ _ _,
SEP 281988
_2 U.S. Nuclear Regulatory Commission Please direct questions concerning this issue to B. A. Kimsey at (615) 870-6847.
Very truly yours, TENNESSEE VALLEY AUTHORITY M. J. Itay, Mana er Site Licensing Staff ay of 1/A)ed bpfore me subscrl Sworn t an M, 1988 this ddllAl Y
.V Kotary Pu tlic
,' /
/.
My Commtssion Expires #,/7,/9d Enc'.osure cc (Enclosure):
Ms. S. C. Black, Assistant Director for Projects TVA Projects Division U.S. Nuclear Regulatory Comission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852 Mr. F. R. McCoy, Assistant Director for Inspection Programs TVA Projects Division U.S. Nuclear Regulatory Commission Region II 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323 Sequoyah Resident Inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road i
Soddy Daisy, Tennessee 37379 i
r ENCLOSURE 1.
TVA will inspect the spare stock HFA relays ordered on Contract No. 88NLF-355228 (item 1) in accordance with NRCB 88-03 before their use.
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