TXX-7116, Interim Deficiency Rept CP-87-11 Re Failures of Power Conversion Products,Inc Station Battery Charger Circuit Cards.Initially Reported on 870513.Evaluation Continuing. Next Rept Will Be Submitted by 880311
| ML20237C378 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 12/18/1987 |
| From: | Counsil W, John Marshall TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC) |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| CP-87-11, TXX-7116, NUDOCS 8712210288 | |
| Download: ML20237C378 (1) | |
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log # TXX-7116 T-4 File # 10110 E
"Z 908.3 Ref. # 10CFR50.55(e) 7UELECTR/C wimam c. counsu December 18, 1987 Erwurne Vwe IWwknt U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D. C.
20555
SUBJECT:
COMANCHE PEAR STEAM ELECTRIC STATION (CPSES)
DOCKET NOS. 50-445 AND 50-446 DEFECTIVE CIRCUIT CARDS IN BATTERY CHARGERS SDAR: CP-87-11 (INTERIM REPORT)
Gentlemen:
On May 13, 1987, we verbally notified your Mr. I. Barnes of failures experienced in station battery charger circuit cards manufactured by Power Conversion Products, Inc. This is an interim report of a potentially reportable item under the provisions of 10CFR50.55(e). Our latest interim report was logged TXX-6842, dated October 9, 1987.
We are continuing our evaluation of the impact of this issue upon the safety of plant operations. Our next report on this issue will be submitted no later than March 11, 1988.
Very truly yours, b),$. (sa n sl [
W. G. Counsi!
- "' D By:
- 3. S. Marshall Supervisor, Generic Licensing WJH/grr c - Mr. R. D. Martin, Reginn IV Resident inspectors, CPSES (3) 8712210288 871210' PDR ADOCK 05000445 S
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&<Mb 400 North Olne Street Lil 81 Dalla.. Tczas 7520)
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