ML20064G291

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Special Rept:On 940203,SG Channels 9 & 11 Declared Inoperable.Channels Failed to Meet Band Limited RMS Acceptance Criteria During Performance of 18 Month Channel Calibr Test.Work Request Written to Repair Channels
ML20064G291
Person / Time
Site: Catawba Duke Energy icon.png
Issue date: 03/15/1994
From: Rehn D
DUKE POWER CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9403160100
Download: ML20064G291 (2)


Text

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DukeIbwer Company D L. Rua L

Catawba Nuclear Generation Department Vrce President l

4800 Concord Rr>ad (803)S313205 0ffice York. SC29745 (803}U1342G1hr DUKE POWER March 15.1994 l

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

Subject:

Cataw ba Nuclear Station, Unit I Docket No. 50-413 Special Report Vibration and Loose Pans Monitoring System i

Pursuant to Technical Specification 3.3.3.9, find attached a Special Repon concerning the inoperability of the Unit i Vibration and Loose Pans Monitoring System Channels 9 and 11.

Very tmly yours,

[

D. L. Rehn KEN /SR031594. LPM i

l Attachment xc: S. D. Ebneter Regional Administrator, Region II R. E. Manin, ONRR R. J. Freudenberger Senior Resident Inspector Id009i 94o316o100 940315 S1 PDR ADOCK 05000413

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SPECIAL REPORT l

CATAWBA NUCLEAR STATION, UNIT I PIP l-C94-0135 Vibration and Loose Parts Monitoring System Channels 9 and 11 l

On February 3,1994, Channel 9 (S/G A channel 2) and Channel 11 (S/G C channel 2) were declared inoperable. These channels failed to meet the band limited RMS acceptance criteria during perfonnance of the 18 month channel calibration test. A work request

(#94005375) 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 the NRC pursuant to Technical Specification 3.3.3.9.

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