05000325/LER-1979-053-03, /03L-0:on 790804,reactor Core Isolation Cooling Steam Isolation Valve F007 Would Not Open While Performing Penetrant Tests 10.1.1 & 10.2.Caused by Oxidation of Surfaces of Breaker Pickup Coil.Surfaces Cleaned

/03L-0:on 790804,reactor Core Isolation Cooling Steam Isolation Valve F007 Would Not Open While Performing Penetrant Tests 10.1.1 & 10.2.Caused by Oxidation of Surfaces of Breaker Pickup Coil.Surfaces Cleaned

ML19207C015
Person / Time
Site:	Brunswick
Issue date:	08/28/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19207C011	List: 05000325/LER-1979-053, Forwards LER 79-053/03L-0 05000325/LER-1979-053-03, /03L-0:on 790804,reactor Core Isolation Cooling Steam Isolation Valve F007 Would Not Open While Performing Penetrant Tests 10.1.1 & 10.2.Caused by Oxidation of Surfaces of Breaker Pickup Coil.Surfaces Cleaned
References
LER-79-053-03L-01, LER-79-53-3L-1, NUDOCS 7909060317
Download: ML19207C015 (2)

LER-1979-053, /03L-0:on 790804,reactor Core Isolation Cooling Steam Isolation Valve F007 Would Not Open While Performing Penetrant Tests 10.1.1 & 10.2.Caused by Oxidation of Surfaces of Breaker Pickup Coil.Surfaces Cleaned

Event date:
Report date:
3251979053R03 - NRC Website

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A R ULATORY COMMISSION (7 77)

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60 61 DOCKET NUYS ER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBADLE CONSEQUENCES h o

2 While performing PT's 10.1.1 and 10.2. RCIC flow test and pump and valve ouerability I o

3 l check, the RCIC steam isolation valve F007 would not open.

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LER CONTINUATION - Ro# 1-79-053 Facility:

BSEP Unit No. 1 Event Date:

8-4-79 first such occurance at Brunswick Steam Electric Plant, this is condidered an isolated event and no further action is required.

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