05000259/LER-1980-091-03, /03L-0:on 801217,drywell Hydrogen Monitor, 1-H2M-76-39,would Not Calibr Properly to Calibr Gas Tech Spec.Caused by GE Model 47E226428G2 Sensor Failure.Alternate Sensor 1-H2E-76-39A Connected to Hydrogen Monitor

/03L-0:on 801217,drywell Hydrogen Monitor, 1-H2M-76-39,would Not Calibr Properly to Calibr Gas Tech Spec.Caused by GE Model 47E226428G2 Sensor Failure.Alternate Sensor 1-H2E-76-39A Connected to Hydrogen Monitor

ML19340F028
Person / Time
Site:	Browns Ferry
Issue date:	01/15/1981
From:	TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19340F026	List: 05000259/LER-1980-091, Forwards LER 80-091/03L-0 05000259/LER-1980-091-03, /03L-0:on 801217,drywell Hydrogen Monitor, 1-H2M-76-39,would Not Calibr Properly to Calibr Gas Tech Spec.Caused by GE Model 47E226428G2 Sensor Failure.Alternate Sensor 1-H2E-76-39A Connected to Hydrogen Monitor
References
LER-80-091-03L-01, LER-80-91-3L-1, NUDOCS 8101160525
Download: ML19340F028 (2)

LER-1980-091, /03L-0:on 801217,drywell Hydrogen Monitor, 1-H2M-76-39,would Not Calibr Properly to Calibr Gas Tech Spec.Caused by GE Model 47E226428G2 Sensor Failure.Alternate Sensor 1-H2E-76-39A Connected to Hydrogen Monitor

Event date:
Report date:
2591980091R03 - NRC Website

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[ iTT1 l During normal operation while performing SI 4.7.H. drvvell hydrozen monitor.

1-H M-76-39, would not calibrate properly to calibration gas (T.S.3.7.H-3).

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[o j4 l l There are no redundant systems. There was no effect on the public health or safety.

10 511 Previous events: 296/8037 and 260/8036.

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}ilO1l The GE Model 47E22642802 sensor failed. Alternate sensor 1-H9E-76-39A was y l connected to the hydrog7n monitor and SI 4.7.H completed satisfactoriiv. ThJ n t

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1 Occurrence 12/17/80 Time of Occurrence 1400 Unit 1

1@fmf c:ition an,d Description'of Occurrenec:

While performing SI 4.7.H. 1-H M-76-39 would not calibrate properly to 2

calibration gas.

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1 Unit 1 at 99% power.

e Unit 2 at 100% power.

Unit 3 refueling i !! m

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Sensor 1-H E-76-39 had failed.

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There was no damage to plant equipment. There was no activity release, no personnel exposure or injury and no danger t'o the health or safety of the l

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Alternate sensor 1-H E-76-39A was connected to the monitor and the SI 2

l vas completed satisfactorily.-

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l 296-8037 and 260-8036.

%: t ition: f criod - 1.if(. time; llesponsibility - Administrative Supersi8er

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