ML19207B349

LER 79-059/03L-0 on 790804:while Performing Surveillance Procedure During Shutdown Mode,Switch Failed to Operate at Proper Setpoint.Caused by Foreign Particles on Switch Mechanism.Switch Cleaned & Calibr

ML19207B349
Person / Time
Site:	Hatch
Issue date:	08/17/1979
From:	GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19207B346	List: ML19207B345 ML19207B349
References
LER-79-059-03L, LER-79-59-3L, NUDOCS 7908240476
Download: ML19207B349 (1)

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Inc,. coraillanca l<'oi3;procedure HMP-1-3310, HPCI Turbine Exhaust Press. Instrument FT&C, was performed l[ and E41-M012D, HPCI Turbine Exhause Press. Switch (5tatic-0-Ring) failed to I ni4 operate at the proper setpoint. There were no probable consequences since HPCI I o,5-[ o i ,-l was inoa and the Reactor was shutdown.

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The switch was cleaned and calibrated per HMP-1-5240, Static-0-Ring 1 1 i , Press. Switch Calibratien, and HPCI Turbine Exhause Pr'ess. Instrument FTSC, was

,gl, , ,, I apin nefor=d and passed satisf actorily.

Visual inspection will be done at each j';i ,4 i t surveillance tcst.

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LOCATION OF AE LTASE

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