05000325/LER-1979-101-03, /03L-0:on 791205,during HPCI Exhaust Diaphram High Pressure Calibr,Switch 1E41-PS-NO12A Would Not Actuate at Any Applied Pressure Up to 30 Psig.Caused by Intermittent Actuation of Internal Micro Switch.Switch Replaced

/03L-0:on 791205,during HPCI Exhaust Diaphram High Pressure Calibr,Switch 1E41-PS-NO12A Would Not Actuate at Any Applied Pressure Up to 30 Psig.Caused by Intermittent Actuation of Internal Micro Switch.Switch Replaced

ML19260C688
Person / Time
Site:	Brunswick
Issue date:	12/28/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19260C687	List: 05000325/LER-1979-101, Forwards LER 79-101/03L-0 05000325/LER-1979-101-03, /03L-0:on 791205,during HPCI Exhaust Diaphram High Pressure Calibr,Switch 1E41-PS-NO12A Would Not Actuate at Any Applied Pressure Up to 30 Psig.Caused by Intermittent Actuation of Internal Micro Switch.Switch Replaced
References
LER-79-101-03L, LER-79-101-3L, NUDOCS 8001080392
Download: ML19260C688 (1)

LER-1979-101, /03L-0:on 791205,during HPCI Exhaust Diaphram High Pressure Calibr,Switch 1E41-PS-NO12A Would Not Actuate at Any Applied Pressure Up to 30 Psig.Caused by Intermittent Actuation of Internal Micro Switch.Switch Replaced

Event date:
Report date:
3251979101R03 - NRC Website

text

NRC PUMM Jbb U+77)

LICENSEE EVENT REPORT t

CONTROL BLOCX:

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2 l While performing PT 2.1.7PC, HPCI Exhaust Diaphragm High Pressure Calibration, I

o 3 l pressure switch lE41-PS-N012A would not actuate at any applied pressure up to I

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l 30 psig. The desired setpoint is 7 + 0.7 psig increasing and the report limit is I

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o i Intermittent actuation of the internal micro switch was determined the cause for the 1 i

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