05000325/LER-1980-010-03, /03L-0:on 800122,while Performing Main Steam Line High Radiation Functional Check,Drawer 1D12-RM-K603B Found Out of Calibr.Instrument Drift Is Recurring Problem. Drawer Recalibr & Returned to Svc

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/03L-0:on 800122,while Performing Main Steam Line High Radiation Functional Check,Drawer 1D12-RM-K603B Found Out of Calibr.Instrument Drift Is Recurring Problem. Drawer Recalibr & Returned to Svc
ML19296B936
Person / Time
Site: Brunswick 
Issue date: 02/14/1980
From: Tollison A
CAROLINA POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19296B923 List:
References
LER-80-010-03L-01, LER-80-10-3L-1, NUDOCS 8002220387
Download: ML19296B936 (1)


LER-1980-010, /03L-0:on 800122,while Performing Main Steam Line High Radiation Functional Check,Drawer 1D12-RM-K603B Found Out of Calibr.Instrument Drift Is Recurring Problem. Drawer Recalibr & Returned to Svc
Event date:
Report date:
3251980010R03 - NRC Website

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NRC FORM 366

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60 6f DOCKET NUMSER 68 69 EVENT DATE 74 75 REPORT QATE 80 3

EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h Functional Check.

1 ITTTl I While performing PT 1.1.12PC. Main Steam Line Hich RndinHnn ITTT1 1 Drawer 1D12-RM-K603B was found out of calibration. The reportable limit is >3.5 x

i 10 l 4 l 1 background and the actual valve found was 3.87 x background. There are four of I

[TTTl these drawers per unit, one per main steam line, and one spare drawer in the electron-l o

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f7TTl i Technical Specifications 2.2, 6.9.1.9a f

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]The drawer was recalibrated and returned to service.

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