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| {{Adams
| | #REDIRECT [[05000321/LER-1979-103-03, During Cold Shutdown, Normal Surveillance of RCIC Sys Flow Instrument Disclosed High Flow Trip Setpoint of 8.1 Inches of Water.Caused by Setpoint Drift.Switch Recalibr,Tested & Returned to Svc]] |
| | number = ML19257B988
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| | issue date = 01/17/1980
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| | title = /03L-0:on 791227,while Performing Surveillance on Reactor Core Isolation Cooling Sys Flow Instrument,High Switch Exceeded Tech Specs.Caused by Instrument Drift.Switch Was Recalibr & Surveillance Performed Satisfactorily
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| | author name = Nix R
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| | author affiliation = GEORGIA POWER CO.
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| | addressee name =
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| | addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
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| | docket = 05000321
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| | license number =
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| | contact person =
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| | document report number = LER-79-103-03L-01, LER-79-103-3L-1, NUDOCS 8001220503
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| | package number = ML19257B979
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| | document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
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| | page count = 2
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| }}
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| {{LER
| |
| | Title = /03L-0:on 791227,while Performing Surveillance on Reactor Core Isolation Cooling Sys Flow Instrument,High Switch Exceeded Tech Specs.Caused by Instrument Drift.Switch Was Recalibr & Surveillance Performed Satisfactorily
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| | Plant =
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| | Reporting criterion =
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| | Power level =
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| | Mode =
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| | Docket = 05000321
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| | LER year = 1979
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| | LER number = 103
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| | LER revision = 3
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| | Event date =
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| | Report date =
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| | ENS =
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| | abstract =
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| }}
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| =text=
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| {{#Wiki_filter:unc ponu seo 17 77)
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| LICENSEE EVENT REPORT ccNinOL etOcK: [
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| 60 61 DOCh E T NUP/dEH 68 69 EklM DATE 74 75 HEPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h l During cold shutdown and while performinn normal surveillance on the RCIC system flow I o 2 I o 13 J instrument, 1E51-N002. the high switch was found at 8.1 in. U20.
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| This exceeds Tech-l lo la 1 nical Specification Table 3.2-3, Item 6, which states that the high setpoint should j
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| This is a repetitive occurrence as reported
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| [
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| loisI be greater than 80 gpm, 8.96 in.
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| Iolc] ! last on LER 50-321/1979-102. There was no effect on public health or safety.
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| ==CAUSE==
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| _ EVENT YEAR REPORT NO.
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| 34 40 43 42 43 44 47 cAUSE DESCmPTION AND CORRECTIVE ACTIONS l The switch being out of tolerance was attributed to instrunept drift.
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| The witch I
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| i o
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| [i j i j was calibrated per HNP-1-5202, Barton Model 288A and 289A Dif ferential Indicatirm I
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| g, y l Switch, and the surveillance procedure, HNP-1-3404, RCIC System Flos Instrument l
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| Functional Test and Calibration was performed satisfactorily.
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| =NARRATIVE=
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| REPORT Georgia Power Company Plant E.
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| I. llatch Baxley, Georgia 31513 Reportable Occurrence Report No. 50-321/1979-103 During cold shutdawn and while perfonning normal surveillance on die RCIC System Flow Instrument, IE51-N002, the high switch was found at 8.1 in I
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| H20 This exceeds Technical Specifications Table ],2-3, Item 6, which states H 0.
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| This t
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| that the high setpoint should be greater than 80 gpm, 8.96 in.
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| 2 is a repetitive occurrence.
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| l The switch was recalibrated per IINP-1-5202, Barton Model 288A and 289A Dif ferential Indicating Switch, and the surveillance procedure was performed satisfactorily.
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| The switch being out of tolerance was attributed to instrument drift.
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| This type of instrument is utilized in other systems on both units, but no generic problens have been discovered at this time.
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| Investigations will continue and a follow-up report will be subnitted.
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| l I
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| 1783 354 f
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| }}
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| {{LER-Nav}}
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