05000325/LER-1980-035-03, /03L-0:on 800407,while Performing Reactor Low Water Level 1 Channel Calibr,Switch 1 of 1-B21-LTS-N017B&C Was Out of Tolerance.Caused by Instrument Drift.Instruments Were Calibr & Returned to Svc.Plant Mod Has Been Written

/03L-0:on 800407,while Performing Reactor Low Water Level 1 Channel Calibr,Switch 1 of 1-B21-LTS-N017B&C Was Out of Tolerance.Caused by Instrument Drift.Instruments Were Calibr & Returned to Svc.Plant Mod Has Been Written

ML19323B479
Person / Time
Site:	Brunswick
Issue date:	05/02/1980
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19323B475	List: 05000325/LER-1980-035, Forwards LER 80-035/03L-0 05000325/LER-1980-035-03, /03L-0:on 800407,while Performing Reactor Low Water Level 1 Channel Calibr,Switch 1 of 1-B21-LTS-N017B&C Was Out of Tolerance.Caused by Instrument Drift.Instruments Were Calibr & Returned to Svc.Plant Mod Has Been Written
References
LER-80-035-03L-01, LER-80-35-3L-1, NUDOCS 8005120423
Download: ML19323B479 (1)

LER-1980-035, /03L-0:on 800407,while Performing Reactor Low Water Level 1 Channel Calibr,Switch 1 of 1-B21-LTS-N017B&C Was Out of Tolerance.Caused by Instrument Drift.Instruments Were Calibr & Returned to Svc.Plant Mod Has Been Written

Event date:
Report date:
3251980035R03 - NRC Website

text

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" Reactor Low Water Level '!1 Channel Calibration,"

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[ o I 31 l switch 1 of 1-B21-LIS-501735C was out of tolerance. The N017B5C reportable value I

lolaIl is >59.1" applied water.

The N0173 as-found value was 61" applied water, while l

_ io is j l N017C as-found value was 65.2" applied watcr.

The health and safety'of the general l

10 16] l public was not endangered by this event.

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