ML20248F187
| ML20248F187 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 06/13/1978 |
| From: | Klinger G, Nolan F, Sniezek J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| To: | |
| References | |
| PNO-78-122, NUDOCS 9806040143 | |
| Download: ML20248F187 (1) | |
Text
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PRFIIMINARY NOTIFirATTON U a
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June 13,19/8 N
PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -- PNO-78-122
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_This preliminary notification constitutes EARLY notice of an event 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 IE staff as of this date.
Facility:
Sacramento Municipal Utility District, Rancho Seco 50-312
Subject:
Facility Outage Due to Reactor Coolant System Leakage The Rancho Seco facility was shut down at 3:00 p.m. on June 12, 1978, when the reactor coolant system unidentified leakage rate reached the i
technical specification limit of 1 GPM.
The licensee had been monitoring a slowly increasing leak rate during the past month.
Power operations are scheduled for resumption during the week of June 19, 1978, following completion of repairs.
The licensee issued a press release regarding the unit outage on 5
June 12, 1978.
This Preliminary Noti fication is issued for information i
only.
)
'Mr-'
NRC Region V (San Francisco) received notification of the unit outage during tele Assistant) phone conversations with the licensee (Plant Technical at 10:00 a.m. on June 13, 1978.
The above information is current as of 12:00 p.m. on June 13, 1978.
Contact:
GKlingler IE x28019 FNolan, IE x28019 JSniezek, IE x28019 Distribution:
Transmitted H St #!3.20.
1 Chairman Hendrie Commissioner Bradford Commissioner Kennedy S. J. Chilk, SECY C. C. Kammerer, CA Commissioner Gilinsky (ForDistribution)
Transmitted: MNBB 4:3 h P Bldg 4:M.F E. Volgenau. IE S. H. Hanauer, EDO
'16 413 h, L. V. Gossick, EDO E. G. Case, NRR Region 8
J. J. Fouchard, PA SS B1dg #; y (MAIL)
N. M. Ha-11er, MPA C. V. Sm'ith, pNMSS T. J. McTiernan, OIA R. G. Ryan, OSP R. Minogue, SD l
H. K. Shapar, ELD 1
PRELIMINARY NOTIFICATION
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9806040143 780613
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PNO-78-122 PDR l
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