05000318/LER-1979-044-03, /03L-0:on 791212,during Surveillance Testing, Channel B Indicated Axial Flux Offset Out of Spec.Problem Intermittent.Possibly Caused by Linear Range Channel B Lower Subchannel Detector

/03L-0:on 791212,during Surveillance Testing, Channel B Indicated Axial Flux Offset Out of Spec.Problem Intermittent.Possibly Caused by Linear Range Channel B Lower Subchannel Detector

ML19257B485
Person / Time
Site:	Calvert Cliffs
Issue date:	01/10/1980
From:	Lagiewski J, Rizzo P BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19257B481	List: 05000318/LER-1979-044, Forwards LER 79-044/03L-0 05000318/LER-1979-044-03, /03L-0:on 791212,during Surveillance Testing, Channel B Indicated Axial Flux Offset Out of Spec.Problem Intermittent.Possibly Caused by Linear Range Channel B Lower Subchannel Detector
References
LER-79-044-03L-01, LER-79-44-3L-1, NUDOCS 8001160407
Download: ML19257B485 (1)

LER-1979-044, /03L-0:on 791212,during Surveillance Testing, Channel B Indicated Axial Flux Offset Out of Spec.Problem Intermittent.Possibly Caused by Linear Range Channel B Lower Subchannel Detector

Event date:
Report date:
3181979044R03 - NRC Website

text

NRC FORM 366 U. 5. NUCLk AH MkUULAT UH Y COMMlbblON (7 77)

LICENSEE EVENT REPORT CONTROL BLOCK: l l

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60 61 DOCKET NUMB ER 68 69 EVENT D ATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h a

2 i Durino surveillance testino at 0945 it was disenvprod that channpl "R"

I indicated axial flux offset was out of soecification. per T S. 3.3.1.1.

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3 l the channel was bypassed and readjusted. Channel "B" axial flux offset o i4 O

s I was returned to service at 0955. The redundant channels were operable I

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I throunhout the event. This is not a recetitive occurrence.

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NAME OF PREPARER