ML19319E027
| ML19319E027 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 09/10/1974 |
| From: | Reinaldo Rodriguez SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| To: | |
| Shared Package | |
| ML19319E022 | List: |
| References | |
| RJR-74-326, NUDOCS 8003270788 | |
| Download: ML19319E027 (1) | |
Text
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- ~' SACRAMENTO MUNICIPAL UTIUTY DISTRCr C 1709 59tti St.eet, Box 15a30, Sacramento, Catafomia 95813; (916) 452-3211
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- L RJR 74-326
September 10,_1974.
POR MIII -
Mr. E..L. Engelken Director of Regulatory Operations Region V AEC Regulatory Operations Office 9
1990 No. California Soulevard
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- Walnut Creek Plaza, Suite 202 Walnut Creek, California 94596 i SEP 1119M &
Re: AEC Docket No. 50-312
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Rancho 3eco Nuclear Generating j
Station, Unit No. 1 Abnormal Occurrence No. 74-3 e
Dear Mr. Engelken:
This is to report Abnormal-Occurrence No. 74-3.
s During a partial loss of instrumentation with the Reactor Coolant
~ System approximately 335", system pressure reached 2400 pounds before action was taken to reduce it.
This pressure temperature relationship exceeded the allowable pressure temperature relation by approximately 500 pounds. Pressure was subsequently reduced to an allowable value of 1900 psig.
Sincerely
- ura, uk R. J. R riguez f Plant Superintendg(ne Rancho Seco Unit 1 Clay. Station, California 95638 RJR: sal s
G 800 sero 4
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