ML20031C130
| ML20031C130 | |
| Person / Time | |
|---|---|
| Site: | Big Rock Point File:Consumers Energy icon.png |
| Issue date: | 11/01/1977 |
| From: | CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| RO-77-50, NUDOCS 8110060567 | |
| Download: ML20031C130 (1) | |
Text
UCENSEE EVENT REFORT cCNisct etCCx:1 I l l ! l l trum:s Pa*T Au.anuman mPomano:a 1
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CocaET NuuMR EVENT CATg DE9 CAT OATE
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7 8 57 18 59 60 61 C8 63 74 75 EO EVENr CESC35rTON ci; [ uring cerfor acce of the semi-annual surveillance test for core spray initiation l
7 89 60 Q l pressure sensors. six of the ei:;ht switches were found to be set below the Technical l 7 89 20
@ ISeecification limit of >200 esia. The lowest set:oint was 194 osie. The switches l
7 99 40 on l vere recalibrated to prorer coeratinz setpoint on 10/a/77.
- fot repetitise.
l 7 es eu is i an-77-:.0 7 99 m
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CDMFAENT
( 3 8E%IhT CCCE CCOf CSMDCNENT COCE EUREJB W MJMC"JEA
%10LATON li j a l LD_j lilxislTinIrl L2J i s l 31 s ! 21 Lv_j og 7 89 10 11 12 17 43 44 47 48 CAUSE DESCA:PT'CN Q I!he specification had been chan:;ed frcs 200 ! 20 psig to >,200 psig on issue of a l
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@ l Technical Soecification chance on 6/3/76 and the chance had not been incoroorsted l
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$ Iinto the TISo-15 test crocedure because of.sn eversiet. " e T180-15 test was (CON'I: {
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escury urn.ca CF
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% POWEA OTHER status OrsC3vEnf Cr5CQvERY oESORPTcN d
l010lol INA l [3_j IReview of Surveillance Test Procedur3 1
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46 63 Fenw os ACTNffY CCNTENT PELF.ASEO 08 EELEASE AMOUNT OF I4TMTv LOCATCN CF AELEAtt 8
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10 11 44 45 gg PEESCNNEL EXPCSURES NuuaEn rypt etSCR*Tum Q 10l0lof W l NA l
7 89 11 12 13 60 PERSCNNEL LWUK.ES No.:u9ER OdiCRFrCN uA l ol o'l o l I NA i
7 89 11 12 ga PROBABLE CONSEQUENCES l
Id I 7-gf ~ f ficant delsv in valve onenin2 fer snecific enetilated 1.0CA.
l 7 89 go LOSS CA DAMACE TO FAC:UTY Tves otsCaptch 8 L:J l x^
l 7 89 10 63 l
PU8CCTTY h l None l
89 ga ACCITIONAL FACTCAS ie l (Cause Description - Contd) revised and a review of all other instrument surveil-7 89 gg lance test setpoints revealed no other discrepancies.
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