ML20199D141

From kanterella
Jump to navigation Jump to search
Special Rept:On 860425,Channel 8 of Loose Parts Monitoring Sys Declared Inoperable.Caused by Failure of Power Supply to Sys.Power Supply Replaced on 860529.Channel Declared Operable on 860531.Part 21 Related
ML20199D141
Person / Time
Site: Catawba Duke Energy icon.png
Issue date: 06/04/1986
From: Tucker H
DUKE POWER CO.
To: Grace J
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
REF-PT21-86-235-000 PT21-86-235, PT21-86-235-000, NUDOCS 8606190444
Download: ML20199D141 (2)


Text

.p. 'y DUKE POWER GOMPANY P.O. BOX 33189 CHARLOTTE, N.C. E8949 HALH. TUCKER TE12 PHONE vu.s rammiesne , (704) 373-4531

" ~ '=' ~ ""= Jvu.,,,9 lsjj,. y June 4, 1986 Dr. J. Nelson Grace, Regional Administrator U. S. Nuclear Regulatory Commission Region II 101 Marietta Street, NW, Suite 2300 Atlanta, Georgia 30323 Re: Catawba Nuclear Station, Unit 1 Docket No. 50-413

Dear Dr. Grace:

Pursuant to Technical Specification 3.3.3.9 and 6.9.2, please find attached a Special Report concerning the inoperability of a channel of the Loose Parts Monitoring System.

Very truly yours,

. s hl

-Hal B. Tucker -

RWO:slb Attachment cc Director Office.of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, D. C. 20555 NRC Resident Inspector Catawba Nuclear Station 8606190444 860604 3 PDR ADOCK 0000 S

L i 't N IeA

s  %

SPECIAL REPORT f l

CATAWBA NUCLEAR STATION On April 25, 1986 Channel 8 of the Loose Parts Monitoring System was declared inoperable. A Work Request was submitted to investigate and correct the cause of inoperability.

On May 29, 1986 personnel determined that a power supply to the system was failing, which resulted in the loss of Channel 8. The failing power supply was replaced on May 29. Channel 8 was declared operable on May 31, 1986.

Y