ML20072E596

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Special Rept:On 940715,inoperability of Unit 2 Vibration & Loose Parts Monitoring System Channel 4 & 6 Occurred.Caused by Leds Not Lighting During Performance of PT/0/B/4600/03. Work Orders 94051250-01 & 94051251-01 Initiated
ML20072E596
Person / Time
Site: Catawba 
Issue date: 08/15/1994
From: Rehn D
DUKE POWER CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9408230008
Download: ML20072E596 (2)


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~ DukehucerCompany D L Ras Catawba Nxtear Generation Department Vtce President 4800 Cona>rd Road.

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- York.SCFAIS lt03Ml3426 Fu DUKEPOWER August 15, 1994 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555

Subject:

Catawba Nuclear Station, Unit 2 Docket No. 50-414

'Special Report Vibration and Loose Parts Monitoring System Pursuant to Technical Specification 3.3.3.9, find attached a Special Report concerning the inoperability of the Unit 2 Vibration and Loose Parts Monitoring System Channels 4 and 6.

Very truly yours,

~nta1L 2. PM D. L. Rehn KEN /SR081594. LPM Attachment xc: S. D. Ebneter Regional Administrator, Region II R. E. Martin, ONRR R. J. Freudenberger Senior Resident Inspector 7

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SPECIAL REPORT CATAWBA NUCLEAR STATION, UNIT 2 PIP 2-C94-1032 1

Vibration and Loose Parts Monitoring System Channels 4 and 6 On July 5,1994, Channel 4 (Upper Reactor channel B) and Channel 6 (S/G B Channel 1) were declared inoperable. The LEDs associated with these channels did not light during the performance of PT/0/B/4600/03 (Loose Parts Monitor Spectrum Comparison).

Work orderd 94051250-01 and 94051251-01 were generated oy Operations to address this problem.

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

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