05000333/LER-1981-050-03, /03L-0:on 810608,while Conducting Surveillance During Normal Operation,Torus Water Temp Transmitter 27-TT-101D Was Found Out of Calibr by 1.6%.Caused by Instrument Drift.Transmitter Recalibr

/03L-0:on 810608,while Conducting Surveillance During Normal Operation,Torus Water Temp Transmitter 27-TT-101D Was Found Out of Calibr by 1.6%.Caused by Instrument Drift.Transmitter Recalibr

ML20009A635
Person / Time
Site:	FitzPatrick
Issue date:	07/02/1981
From:	POWER AUTHORITY OF THE STATE OF NEW YORK (NEW YORK
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20009A629	List: 05000333/LER-1981-050, Forwards LER 81-050/03L-0 05000333/LER-1981-050-03, /03L-0:on 810608,while Conducting Surveillance During Normal Operation,Torus Water Temp Transmitter 27-TT-101D Was Found Out of Calibr by 1.6%.Caused by Instrument Drift.Transmitter Recalibr
References
LER-81-050-03L, LER-81-50-3L, NUDOCS 8107130405
Download: ML20009A635 (1)

LER-1981-050, /03L-0:on 810608,while Conducting Surveillance During Normal Operation,Torus Water Temp Transmitter 27-TT-101D Was Found Out of Calibr by 1.6%.Caused by Instrument Drift.Transmitter Recalibr

Event date:
Report date:
3331981050R03 - NRC Website

text

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NRC FORM 263 L' 4. NUCLEAR REGULATORY CCMMISSloN t7+7 6, -

LICENSEE EVENT REPORT CCNTROL BLCCK; l

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8 60 61 DOCK ET NUMB ER 6d 69 EVENT QATE 74 75 REPORT DATE 80 EVENT OESCRIPTION AND PRC8ABLE CCNSECUENCES h lo I:l l During normal operatic n. while conducting-surveillance reaui red by TS Table 4.2-6, I

torus water temperature transmitter 27-TT-101D was found out of calibration by 1.6 l

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Redundant transmitters 101A, 101B and 101C were within calibration.

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CAUSE DESCRIF *!CN AND CC ARECTIVE ACTIONS 27 l lT]T] l Calibration of 27-TT-101D corrected the instrument drif t and ' estored the instrument to l l [i j i ; l a fully operable status within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />.

No additional act i It required.

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