ML20147E742
| ML20147E742 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 02/29/1988 |
| From: | Morgan H SOUTHERN CALIFORNIA EDISON CO. |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| NUDOCS 8803070140 | |
| Download: ML20147E742 (2) | |
Text
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fs[5 Southem Califomla Edison Company
$AN ONOFRE NUCLEAR GENERATING STAT)ON e.o.soxias
$AN CLEMENTE. CALIFORNIA 92672 H.E. MORGAN tstre. cows esas on uu sagn man ue-ow February 29, 1988 U. 3. Nucimu Regulatory carmission W= ant control Desk Washington, D.C.
20555 SubM:
Docket No. 50-362 Diesel Generator Annual Report - 1987 San Onofre Nucl. ear Generating Station, Unit 3 Pursuant to Sections 6.9.1.4 and 4.8.1.1.3 of Technical Specifications Appendix A of Facility Operating License No. NPF-15 for San Onofre Nuclear Generating Station Unit 3, this submittal provides the required Diesel Generator Annual Report for a valid failure of a diesel generator. 'Ihis report is in conformance with the requirements of Regulatory Ibsitica C.3.b of Regulatory Guide 1.108.
If you require any additional information, please so advise.
Sincerely, SDQ ^
Enclosure cx::
F. R. Huey (USNRC Senior Resident Inspector, Units 1, 2 and 3)
J. B. Martin (Regional Administrator, USNRC Region V)
Instit11te of Nuclear Power Operaticos (INEO) 8803070140 800229 PDR ADOCK 05000362 R
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.ev' DIESIL (ENE!#GVR ANNUAL REEORT SOUIHERN ('ALIFORNIA EDISON CINPANY SAN CHOF1tE 10CIEAR GDERATING STATICH UNIT 3 t
DX3ET NO. 50-362 EVENT IKIE:
namsunhat-9, 1987 he following informatim is prtwi$ed in accordance with Technical Specification i
Surveillance Requirunent 4.8.1.1.3 and Regulatory Position c.3.b of Regulatory Guide 1.108:
- 1. %e diesel generator involved was 3G003.
- 2. mis failure was the first in the last 100 valid tests.
- 3. %e cause of the failure was a faulty relay which actuates the radiator fan autcmatically upon a start of the dieral.
- 4. S e faulty relay was replaced, and an analysis will be performed to determine the root cause of the failure. If any (*urther corrective actions are warranted as a result of this evaluation, a supplemental report will be subnitted.
- 5. Se diesel generator was not available for operation frun 2305 on 12/9/87 to 1715 on 12/11/87.
- 6. Se surveillance test interval remains at 31 days.
- 7. %e above surveillance test interval is in conformance with the schedule of Regulatory Position C.2.d of Regulatory Guide 1.108.
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