05000324/LER-1979-024-03, /03L-0 on 790510:drywell Equipment Drain Recorder Was Driving Downscale & Integrator Was Driving Backward. Caused by Air Trapped in Transmitter Bellows & Sensing Lines.Bellows & Lines Vented

/03L-0 on 790510:drywell Equipment Drain Recorder Was Driving Downscale & Integrator Was Driving Backward. Caused by Air Trapped in Transmitter Bellows & Sensing Lines.Bellows & Lines Vented

ML19289F613
Person / Time
Site:	Brunswick
Issue date:	06/08/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19289F610	List: 05000324/LER-1979-024, Forwards LER 79-024/03L-0 05000324/LER-1979-024-03, /03L-0 on 790510:drywell Equipment Drain Recorder Was Driving Downscale & Integrator Was Driving Backward. Caused by Air Trapped in Transmitter Bellows & Sensing Lines.Bellows & Lines Vented
References
LER-79-024-03L-01, LER-79-24-3L-1, NUDOCS 7906150183
Download: ML19289F613 (1)

LER-1979-024, /03L-0 on 790510:drywell Equipment Drain Recorder Was Driving Downscale & Integrator Was Driving Backward. Caused by Air Trapped in Transmitter Bellows & Sensing Lines.Bellows & Lines Vented

Event date:
Report date:
3241979024R03 - NRC Website

text

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driving backward. lie also not iced that the drvwell floor. drain recorder was showinn l

112 gpm flow and its integ ator_>as rotating in the forvard dire _ction with no pumps I

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40 41 42 43 44 41 CAUSE DESCRIPTION AND CORHEc rli Ae gloNs l Both problems were caused _by air trapped in the transmitter bellows and sensing lines.]

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l The bellows and sensing linfs were ventedand the systen retttrned to n n rm i nwr,t-innJ i,

7 The air entered the system while performi_nn a system cal _ibrat_fon per PT 5.1 PC.

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't a l PT s.1 PC is being revised to include ventinn the system.

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