05000325/LER-1979-116-03, /03L-0:on 791227,during Calibr of Torus Level Instrument CAC-LT-2601,discovered That Instrument Was Functioning Improperly.Caused by Faulty Drive String on Torus Instrument Recorder.Recorder Repaired

/03L-0:on 791227,during Calibr of Torus Level Instrument CAC-LT-2601,discovered That Instrument Was Functioning Improperly.Caused by Faulty Drive String on Torus Instrument Recorder.Recorder Repaired

ML19291C438
Person / Time
Site:	Brunswick
Issue date:	01/16/1980
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19291C435	List: 05000325/LER-1979-116, Forwards LER 79-116/03L-0 05000325/LER-1979-116-03, /03L-0:on 791227,during Calibr of Torus Level Instrument CAC-LT-2601,discovered That Instrument Was Functioning Improperly.Caused by Faulty Drive String on Torus Instrument Recorder.Recorder Repaired
References
LER-79-116-03L, LER-79-116-3L, NUDOCS 8001240432
Download: ML19291C438 (2)

LER-1979-116, /03L-0:on 791227,during Calibr of Torus Level Instrument CAC-LT-2601,discovered That Instrument Was Functioning Improperly.Caused by Faulty Drive String on Torus Instrument Recorder.Recorder Repaired

Event date:
Report date:
3251979116R03 - NRC Website

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EVENT DATE 14 15 REPOHT DATE WJ EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h 0

2 l While performine a calibration on the torus level instrument CAC-LT-2601. it was I

o 3 ] discovered that the CAC-LT-2602 instrument was not functioning properiv..This I

l inatrument was indicating -29 inches with an actual level of -24_1/2 inches.

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o lThe torus was immediately pumped to radwaste to a level of -28 inches. The drive i

lstrinc on the recorder for the CAC-LT-2602 was off its pully causing a constant level I i i i

2 1 reading. The recorder was repaired and. returned to service. An Engineerine Work i

liI3II Reauest has been penerated notine several desien problems, reauesting an evaluation l

Li j,,4j land necessary modificatinn to make all three level indicators more reliable.

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3 LER CONTINUATION -- 1-79-116 Facility: BSEP Unit # 1 Event Date 12-22-79 Maintenance Instruction MI 10-1E is being revised to provide more specific instructions on checking the drive cord.

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