ML20066F642
| ML20066F642 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 11/10/1982 |
| From: | Ray H SOUTHERN CALIFORNIA EDISON CO. |
| To: | Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| RO-82-138, NUDOCS 8211190108 | |
| Download: ML20066F642 (1) | |
Text
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Southern California Edison Ccmpany
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s AN ONOFRE NUC LE AR GENER A TING ST A TION
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S A N C L EME N TE. C # LIF ORNI A
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- November 10, 1982 m ai a>=
h U. S. Nuclear Regulatory Commission k
Office of Inspection and Enforcement k~
Region V 9
1450 Maria Lane, Suite 210 Walnut Creek, California 94596-5368
- w Attentfori
Mr. R. H. Engelken, Regional Administrator i
- u. '
Dear Sir:
Subject:
Docket No. 50-361 Prompt Report l
Licensee Event Report No.82-138 San Onofre Nuclear Generating Station, Unit 2 Pursuant to Appendix A Technical Specification 6.9.1.12g to Operating License NPF-10 for San Onofre Unit 2, this submittal provides the required written confirmation of our prompt notification to the NRC on November 9,1982 of a reportable occurrence involving a manual trip of the reactor and initiat' ion of the Emergency Core Cooling System (ECCS).
Section 6.9.1.12g requires that conditions arising from natural or man-made events that, as a direct result of the event require unit shutdown, operation of safety systems, or other protective measures required by Technical Specifications, shall be reported within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> with a written follow-up report within 14 days.
On November 9,1982 while in Mode 1, momentary loss of power to the Feedwater Control System was experienced.
As a precaution, the reactor was manually tripped and the ECCS was automatically initiated during the resulting cooldown.
A 14-day followup report with a copy of Licensee Event Report (LER)82-138 will be submitted before November 23, 1982. A special Report per Limiting Condition for Operation (LCO) 3.5.2 will be submitted before l.
February 8,1983.
If there are any questions, please contact me.
Sincerely, 8211190108 8211 to 146f q / p u %
PDR ADOCK 05000361 S
PDR A. E. Chaffee (USNRC Resident Inspector, San Onofre Unit 2) cc:
6'& 397