ML20053A463
| ML20053A463 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 05/17/1982 |
| From: | Ray H SOUTHERN CALIFORNIA EDISON CO. |
| To: | Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| RO-82-012, RO-82-12, NUDOCS 8205260123 | |
| Download: ML20053A463 (1) | |
Text
r-MCEW50 I P np Southern California Edison Company
!n vg y S AN ONOFRE NUC L E A R GENER A TING S T A TION P.O. S O M 148 (Uj S AN C L EMEN T E. C A L IFOR NI A 92672 H. B. R A Y ST A FION M ANmot h May I7, I982 U.S. Nuclear Regulatory Commission Office of Inspection and Enforcement Region V 1450 Maria Lane, Suite 210 Walnut Creek, CA 94596-5368 Attention:
Mr. R.H. Engelken, Regional Adrinistrator
Dear Sir:
Subject:
Docket No. 50-206 Initial Notification of LER 82-012 San Onof re Nuclear Generating Sta tion, Unit i This submittal provides written confirmation of a 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> report made in accordance with Section 6.9.2.a of Appendix A to Provisional Operating License DPR-13.
Technical Specification 3.2.A.(4) requires that Chemical and Volume Control System piping and valves be operable to the extent of establishing two flow paths for boric acid tanks whenever fuel is in the reactor.
For approximately three days, from May 10 to May 13, 1982, two of the three existing boric acid flow paths in Unit I were inadvertently isolated at the same time for maintenance activities. Upon realization of the deficiency on May 13, 1982, both of +he isolated flowpaths were restored, j
bringing the unit back into compliance with the Technical Speci'ications.
Prompt notification was provided by telephone to Duty Officer Morroniello at NRC Headquarters at 1654 hours0.0191 days <br />0.459 hours <br />0.00273 weeks <br />6.29347e-4 months <br /> on May 13, 1982. The 14-day written follow-up report detailing the event and Licensee Event Report 82-012 will be submitted by May 28, 1982.
Sincerely, bW/
j cc:
U.S. Nuclear Regulatory Commission )
Office of inspection and Enforcement U.S. Nuclear Regulatory Commission Office of Management Information and Program Control Institute of Nuclear Power Operations (INPO)
L.F. Miller (USNRC Resident inspector-San Onofre Unit 1) 8205260la3 S