TXX-7084, Interim Deficiency Rept CP-87-110 Re Solid State Safeguard Sequencer Relay Not Meeting Contact Interrupting Rating Requirements.Initially Reported on 871012.Evaluation Continuing.Next Rept Will Be Submitted by 880316
| ML20234E897 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 12/30/1987 |
| From: | Counsil W, John Marshall TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC) |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| CP-87-110, TXX-7084, NUDOCS 8801110235 | |
| Download: ML20234E897 (1) | |
Text
~
o M==
Log # TXX-7084 File # 10110
=
=
907.3 Ref. # 10C%0.%(e)
TUELECTRIC i
mmam c. counsu December 30, 1987 Executne Voce Presulent U. S. Nuclear Regulatory Conunission Attn: Document Control Desk Washington, D. C.
20555 i
SUBJECT:
COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)
DOCKET NOS. 50-445 AND 50-446
)
INOPERABLE SAFEGUARD SFQUENCER RELAY l
SDAR: CP-87-Il0 (INTERIM REPORT) j Gentlemen:
j On October 12, 1987, we verbally notified your Mr. L. Ellershaw of a deficiency involving Solid State Safeguard Sequencer (SSSS) relays which do not meet their contact interrupting rating requirements.
This issue was identified by third party review as a result of activities initiated under the Comanche Peak Response Team Program.
This is a potentially reportable item under the provisions of 10CFR50.55(e).
Our most recent interim report was logged 1XX-6933, dated November 9, 1987.
We are continuing our evaluation and anticipate submitting our next report by March 16, 1988.
Very truly yours, W. 6. Cou n n (
W. G. Counsil By:
J. S. Marshall Supervisor, Generic Licensing VIP /grr c - Mr. R. D. Martin, Region IV Resident Inspectors, CPSES (3) 3_
i fed T
\\
o 8801110235 871230 PDR ADOCK 05000445
- Y 00 horth OMe Street LB 81 Dalla. Tew 75201