05000324/LER-1980-050-03, /03L-0:on 800821,switch 2 of 2-B21-PIS-N021B, Barton Model 288 Found Out of Calibr.Probably Caused by Accidental Bumping by Personnel During Refueling Outage. Switch & Instrument Recalibr & Returned to Svc

/03L-0:on 800821,switch 2 of 2-B21-PIS-N021B, Barton Model 288 Found Out of Calibr.Probably Caused by Accidental Bumping by Personnel During Refueling Outage. Switch & Instrument Recalibr & Returned to Svc

ML19338D758
Person / Time
Site:	Brunswick
Issue date:	09/10/1980
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19338D751	List: 05000324/LER-1980-050, Forwards LER 80-050/03L-0 05000324/LER-1980-050-03, /03L-0:on 800821,switch 2 of 2-B21-PIS-N021B, Barton Model 288 Found Out of Calibr.Probably Caused by Accidental Bumping by Personnel During Refueling Outage. Switch & Instrument Recalibr & Returned to Svc
References
LER-80-050-03L-01, LER-80-50-3L-1, NUDOCS 8009230727
Download: ML19338D758 (2)

LER-1980-050, /03L-0:on 800821,switch 2 of 2-B21-PIS-N021B, Barton Model 288 Found Out of Calibr.Probably Caused by Accidental Bumping by Personnel During Refueling Outage. Switch & Instrument Recalibr & Returned to Svc

Event date:
Report date:
3241980050R03 - NRC Website

text

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LICENSEE EVENT REPORT

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REPORT DAT E 80 EVENT DESCRIPTION AND PROBA8LE CONSEQUENCES h gl During the performance of the Reactor Low Pressure Channel Calibration Functional l

O 3 l Test, P.T. 3.1.14PC, switch 2 of 2-B21-PIS-N021B, Barton Model No. 288, was found l'

@l out of calibration. The reportable limit for the switch is 423 15 psig and the l

lO isj l as-found value was 404 psig decreasing. This event did not affect the health or l

ITTin I safety af the public.

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goga,i Technical Specifications 3.3.3, 6.9.1.9b l

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lolololol lYlh lYlh lNlh IBlo1810lh 3J J4 3b 36 Ji 40 el 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h ITTTI I It is believed this switch was accidentally bumped out of calibration bv maintenance i A l personnel 1i the area during a recent refueling outane.

The swftch and the enH ra I

[; 7 q l instrument were calibrated as per P.T. 3.1.14PC and returned to service.

In addition.1

, 3 l similar pressure switches on 2-B21-PS-N021A and C and 2-B21-PIS-N0210 were checked I

gl and found operating within specification.

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NAME OF PREPARER PHONE:

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LER ATTACHMENT - RO #2-80-50 t

j Facility: BSEP Unit No.

2 Event Date: 8-21-80 i

This instrument is currently calibrated quarterly and functionally tested i

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monthly to verify proper operation.

l Due to a history of calibration problems, this particular style instrument is scheduled for replacement with Rosemount analog type transmitter instru-menta tion durirs an upcoming cutage.

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