05000317/LER-1979-062-03, /03L-0:on 791019,spurious Trips Occurred on Channel a High Power Trip Unit.Caused by Intermittent Elevation of Resistance Temp Input.Detector Leads Lifted & Operations Continued

/03L-0:on 791019,spurious Trips Occurred on Channel a High Power Trip Unit.Caused by Intermittent Elevation of Resistance Temp Input.Detector Leads Lifted & Operations Continued

ML19210C421
Person / Time
Site:	Calvert Cliffs
Issue date:	11/06/1979
From:	Lagiewski J, Rizzo P BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19210C419	List: 05000317/LER-1979-062, Forwards LER 79-062/03L-0 05000317/LER-1979-062-03, /03L-0:on 791019,spurious Trips Occurred on Channel a High Power Trip Unit.Caused by Intermittent Elevation of Resistance Temp Input.Detector Leads Lifted & Operations Continued
References
LER-79-062-03L, LER-79-62-3L, NUDOCS 7911140229
Download: ML19210C421 (1)

LER-1979-062, /03L-0:on 791019,spurious Trips Occurred on Channel a High Power Trip Unit.Caused by Intermittent Elevation of Resistance Temp Input.Detector Leads Lifted & Operations Continued

Event date:
Report date:
3171979062R03 - NRC Website

text

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'S RE*0AT CATE 80 EVEN? OESCRIPTION AND P=CRABLE CONSECUENCES'h o f :i ( Durino steady state operations, several sourious tries on channel

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] the remaininc Channel "A" Tc incut functionino,

] failure is failure of the tercerature elerent or loose teminations in J

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Lthe field.

The eroblem will be corrected durine the next cold shutdown.

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