ML20199D141
| ML20199D141 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| 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) | |
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'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
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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
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-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 PDR ADOCK 0000 3
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SPECIAL REPORT 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.
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