ML20064G277

Special Rept:On 940125,Channels 6,7 & 10 Were Declared Inoperable.Channels Failed to Meet Acceptance Criteria During Performance of 18 Month Channel Calibr Test.Work Request Written to Repair Channels

ML20064G277
Person / Time
Site:	Catawba
Issue date:	03/07/1994
From:	Rehn D DUKE POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9403160096
Download: ML20064G277 (2)

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ll l W Duke Mer Comparty D. L Rtus <

? Cataiba Nuclear Generanon Department lice hrsident l 4800 ConcordRoad (803)831320.5 Office 1 York, SC29745 ' (803)&313426 Fax l

l DUKEPOWER i

l March 07,1994 l

l U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555 ,

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Subject:

Catawba Nuclear Station, Unit 1 Docket No. 50-413 Special Report Vibration and Loose Parts Monitoring System Pursuant to Technical SpeciGeation 3.3.3.9, find attached a Special Report concerning the )

inoperability of the Unit 1 Vibration and Loose Parts Monitoring System Channels 6,7,  ;

and 10.

Very truly yours, D. L. Rehn KEN /SR030794. LPM l Attachment xc: S. D. Ebneter Regional Administrator, Region II R. E. Martin, ONRR l R. J. Freudenberger Senior Resident Inspector 140093 9403160096 940307 PDR 1 S ADOCK 05000413 //

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SPECIAL REPORT CATAWBA NUCLEAR STATION, UNIT 1 PIP 1-C94-0135 Vibration and Loose Parts Monitcring System Channels 6, 7, and 10 On January 25, 1994, Channel 6 (S/G B channel 1), Channel 7 (S/G C channel 1), and l Channel 10 (S/G B channel 2) were declared inoperable. All channels failed to meet the  :

l acceptance criteria during performance of the 18 month channel calibration test. A work l

request (#94003971) has been written to repair these channels during a future outage of sufficient length.

Since these channels have been inoperable for more than 30 days, they are reportable to l the NRC pursuant to Technical Specification 3.3.3.9.

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