ML20095G858
| ML20095G858 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 08/17/1984 |
| From: | Haynes J SOUTHERN CALIFORNIA EDISON CO. |
| To: | Martin J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| NUDOCS 8408280225 | |
| Download: ML20095G858 (2) | |
Text
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i Southern California Edison Cog SLC;
'g SAN ONOPRE NUCLE AR GENER A TING ST ATION P.O. BO X 12 8 g
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vetrawoms ST ATION M ANAGE R (714)4,2 F700 August 17, 1984
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.U.S. Nuclear Regulatory Qommipsion Office of Inspection andInforcenent Region V 1450 Maria Lane, Suite 210 Walnut Creek,. California 94596-5368 Attention: ' '
Mr.-J. B. Mart'in, Regional Administrator
Dear Sir:
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Subject:
Docket No1 50-361 Special Report
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'- N ' San Onofre. Nuclear Genedting' Station, Units' 2 and 3 c
Pursuant to Section 6.'9.'l of Appendix A, Technical Specifications to Facility Operating Licenses NpF-10 and NPF-15 for San Onofre Units 2 and 3, respectively, this submittal provides the required Special Report for inoperable accident monitoring instrumer,tation.
On August 4, 1984, at 0855, with Unit 2 in Mode 1 at 97% power and Unit 3 in Mode 5, Purge / Vent Stack Wide Range Monitor 2RE-7865 was removed from service for performance of the 92-day surveillance.
Flow rate estimates, grab samples and auxiliary sampling were initiated in accordance with Limiting Condition for Operation (LCO) 3.3.3.9, Action Statements 36, 37 and 40, respectively.
2RE-7865 was not restored to operable status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> to permit corrective maintenance to be performed on a system valve, although the valve deficiency had not renderdd'the monitor inoperable. The preplanned alternate method of monitoring was initiated per LC0 3.3.'3.6, Action Statement 22.
Monitor 2RE-7865 was tested in accordance with Station Procedure S023-3.21.1 and returned to service at 2130 on August 9, 1984.
Neither the health and safety of plant personnel nor the public were affected by this event.
If you require any additional information, please so advise.
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Sincerely, M cu) ^W 1
B408280b225 840817 PDR ADOCK 05000361
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Mr. J.. B. Martin -
' 2-Sptcial Re p.
August 17, port 1984 g
cc: :-A.' E. Chaffee (USNRC Resident Inspector, Units 1, 2 and 3)
J. P. Stewart (USNRC Resident Inspector, Units 2 and 3)-
f-U.S. Nuclear Regulatory Commission i
Document Control Desk
[_
Institute of Nuclear Power Operations (INPO) o i.
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