05000324/LER-1980-114-03, /03L-0:on 801229,low Level Switch 2B21-LIS-NO31D-3 Actuated Outside Tech Specs.Caused by Instrument Drift. Switch Recalibr

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/03L-0:on 801229,low Level Switch 2B21-LIS-NO31D-3 Actuated Outside Tech Specs.Caused by Instrument Drift. Switch Recalibr
ML19341A691
Person / Time
Site: Brunswick 
Issue date: 01/20/1981
From: Pastva M
CAROLINA POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19341A686 List:
References
LER-80-114-03L, LER-80-114-3L, NUDOCS 8101270708
Download: ML19341A691 (1)


LER-1980-114, /03L-0:on 801229,low Level Switch 2B21-LIS-NO31D-3 Actuated Outside Tech Specs.Caused by Instrument Drift. Switch Recalibr
Event date:
Report date:
3241980114R03 - NRC Website

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8 60 61 00CKET NUMB E R ti8 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROSA8LE CONSEQUENCES h o 2 l During the performance of Reactor Iow Water Level Nos. 2 and 3 Chnnnel calibrarion 1

O l and Functional Test, P.T.3.1.7 PC, low level switch, 2B21-LIS-NO31D-3. actuated at [TTi"1 l -42.6" of water applied while the reportable limit is < -38" water aoolied.

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f7lT) l of the other level switches did not reveal any problems. This event did not affect I

gl the health or safety of the public.

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, i l calibrated according to an approved procedure and returned to normal service. This I a l i 2 l type of level instrument will be replaced with analog-type instrumentation during gl future outage. These instruments are functionally checked monthly and calibration I

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