ML19319D808
| ML19319D808 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 12/29/1977 |
| From: | Mattimoe J SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| To: | |
| Shared Package | |
| ML19319D805 | List: |
| References | |
| NUDOCS 8003250802 | |
| Download: ML19319D808 (1) | |
Text
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Se 60 61 68 se 74 75 80 4$CRIPTION.
,; ember 15,1977, the reactor vendor (3&W) informed the District that an error in l
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.,,.. ant computer software resulted in a negative bias for positive power i= balance ly 80
..:.sted by incore detectors. Administrative controls i= nosed a 2.2 cereent l
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. :mee conservatism to the Tech. Soec. onertrienst 4-kn T ".c e cer* #ne no M -4 n=
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m cAu:E amanNT ConamevT CoOE ConspoNENT CooE sJMER MANUFACTURER VCLATION Ls,j izlzlzlzizlz1 LNJ lz lz l z l zl lN l I
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.a :ESCRIPTION
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-- -tion factors for detector and background signals were imoronerly anofied.
2.2% l*
80 I
-ation in positive operations imbalance limit is adequate througli appro:.1=ately' l,
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Vendor will supply sof tware change remedving situation within 100 ET?D.
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% POWER ofwER STATUS otScovERY oI5CoVERY oESCRepfloN I11 of of I n i
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10 12 13 44 45 48 80 CoATENT t ?
- M op nELEASE AAsouNr oF ACTNITY LOCATION oF RELEASE LzJ l
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'.~J# SEQUENCES
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- 48AAGE TO. FACE.!TY
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.. 1*wspapers and wire services notified December 21, 1977 l
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