ML19257A927

LER 79-102/03L-0:on 791214,while Performing Penetrant Test, drywell-to-torus Breaker Operability Check Class Indicator for X18H Would Not de-energize When Valve Opened.Cause Not Stated.Switch Disconnected & Replaced W/Spare Switch

ML19257A927
Person / Time
Site:	Brunswick
Issue date:	01/03/1980
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19257A921	List: ML19257A920 ML19257A927
References
LER-79-102-03L-01, LER-79-102-3L-1, NUDOCS 8001090397
Download: ML19257A927 (1)

Text

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EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h f 0 TTI While performing PT 2.3.1, Drywell to Torus Vacuum Breaker Operability Check, the l o a l "close" indication for X18H would not de-energize when the valve was open. [

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33 34 35 Zlg 36 Z ]@ ]Ol0l0l0l 31 40 gjg 41 42 Ylg lNlg 43 lG 2l0l2[Q 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h i O I The "close" limit switch was disconnected and the installed spare switch connected l 1 l'in its place. The original switch will be repaired or replaced during the next I g l outage of sufficient length. This is considered an isolated event.

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NAME OF PREPARER . . C. Tollison. Jr. PHONE: 410-457 0521 [