ML20249B174
| ML20249B174 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 03/29/1976 |
| From: | Roy G, Thompson D, Warnick R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| To: | |
| References | |
| PNO-76-056, PNO-76-56, NUDOCS 9806220134 | |
| Download: ML20249B174 (1) | |
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}farch 29, 1976 PRELIMINARY NOTIFICATION OF EVENT OR Nd A'
0C
.NCE --PNO-76-56 This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance.
The information presented is as initially received without verification or evaluation and is basically all that is known by OIE staff as of 4:45 p.m. on date of this notification.
IT SHOULD BE SPECIFICALLY NOTED THAT THIS NOTIFICATION MAY CONTAIN INFORMATION THAT LATER MAY BE DETERMINED TO BE INACCURATE OR INCONSISTENT. AN OFFICE OF INSPECTION AND ENFORCEMENT NOTIFICATION OF AN INCIDENT OR OCCURRENCE (BLUE SHEET) SUBSEQUENTLY WILL BE ISSUED IF WARRANTED.
Facility:
Portland General Electric Company Trojan (Docket No. 50-344)
Subject:
PLANT'SHUTWOWN - FAILURE DIESEL - DRIVEN AUXILIARY FEEDWATER PUMP TO RUN The nuclear unit was shut down on 3/28/76 to investigate the cause of an oil level alarm on the "C" primary coolant pump. When the diesel powered auxiliary feedwater pump was manually started it tripped on an overspeed condition. A second manual start and several subsequent manual start tests were successful.
(See PN0's 76-34/34A for similar problems with auxiliary feedwater pumps.) The licensee has made a press release.
Intereut by the State of Oregon and the news media is expected because of the previous problems with the auxiliary feedwater pumps.
s It is not known at this time how long the plant will be shutdown. A Region V reactor inspector has been dispatched to the site.
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NRC-(Region Vr Walnut Creek, CA) received notification of this occurrence by telephone from the Assistant Plant Superintendent at 8:10 a.m. on March 29,.1976.
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Contact:
R Warnick, IE x27261
Distribution:
D Chairman Anders Commissioner Mason S. J. Chilk, SECY g'
Commissioner Gilinsky Commissioner Rowden G. F. Murphy, JCAE g
Commissioner Kennedy C. C. Kammerer, CA
,2 L. V. Cossick, J. G. Davis, OIE J. A. Harris, PA B. C. Rusche, NRR J. La Fleur, ISP T. J. McTiernan, AIA K. R. Chapman, NMSS H. K. Shapar, ELD Transmitted:
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1-9906220134 760329 PDR 18 E PNO-76-056 PDR i
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