ML20064G591
| ML20064G591 | |
| Person / Time | |
|---|---|
| Site: | Waterford  |
| Issue date: | 12/05/1978 |
| From: | Aswell D LOUISIANA POWER & LIGHT CO. |
| To: | Seyfrit K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| Shared Package | |
| ML17138A727 | List: |
| References | |
| NUDOCS 7812120115 | |
| Download: ML20064G591 (4) | |
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'42 CELARCNDE STREET P O W E R & L I G H T! P o cox coca. NEW GALEANS. LOUIS!ANA 70174
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. (504) 356-2345 MIDDIC GUUTH UI;Uili.S bfbiEM December 5,1978
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LPL 10233 Q-3-A35.07.09 3-A1.01.04 4
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Mr. K.V. Seyfrit. Director, Region IV U.S. Nuclear Regulatory Commission i
Office of Inspection and Enforcement 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76012
SUBJECT:
Waterford SES Unit 3 Docket No. 50-382 Interim Report of Significant Construction Daficiency No. 9
" Defective Emergency Diesel i
Generator Roller Pin" I
REFERENCE:
LP&L Telecon with NRC
^
dated November 6, 1978 Reporting Potentially Reportable LP&L Incident #18
Dear Mr. Seyfrit:
In accordance with the requirements of 10CFR50.55(c) we are hereby providing two copies of Interim Report of Significant Deficiency No. 9, " Defective i
Emergency Diesel Generator Roller Pin."
The final report will be forwarded j
1 by August 31, 1979.
During a recent performance test on a Cooper-Bessemer KSV Power Engine it j
was found that some power cylinder subassemblics showed abnormal wear on the surface of the roller pin in the valve crosshead (see attached report).
It j
is felt that this abnormal wear over a longer period of time could cause the engine to malfunction.
A redesigned roller. pin has been developed by Cooper-Bessemer.
The subassemblies will be replaced.
This will be completed prior to the final report.
j Very truly yours,
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D.L. Aswell 1
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Mr. K.V. Seyfrit,. Director 2
December 5, 1978 Enclosure cc:
1)
Director Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, D.C.
20555 (with 15 copies of report) 2)
Director Office of Management Information & Program Control U.S. Nuclear Regulatory Commission Vashington, D.C.
20555 (with one copy of report)
D 9