ML20028A702

LER 82-071/03L-0:on 821024,suppression Pool Water Temp Recorder TR-4386B Found Inoperable.Caused by Random Failure of Pen 1 Motor.Motor Replaced & Recorder Returned to Svc

ML20028A702
Person / Time
Site:	Duane Arnold
Issue date:	11/12/1982
From:	Hill K IES UTILITIES INC., (FORMERLY IOWA ELECTRIC LIGHT
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20028A696	List: ML20028A695 ML20028A702
References
LER-82-071-03L, LER-82-71-3L, NUDOCS 8211240290
Download: ML20028A702 (1)

Text

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OATE de et occagT,sunsega GB SS tvsNr ossCRiPrioN ANo enoeAsta CoNssousNC83 o l During normal operation instrument hecks, suppression pool water temper i ITTTl I ature recorder TR-4386B was found inoperable. The redundant recorder, TR l 4 1 -4386A, was functioning properly. A 30-day LC0 was entered for approxima l

@ I tely 19 hours2.199074e-4 days <br />0.00528 hours <br />3.141534e-5 weeks <br />7.2295e-6 months <br /> per Technical Specification Table 3.2.F, which requires bo I lo la I i th recorder channels to be ooerable. There have been no orevious similar i I

lo 171 I occurrences with the same cause.

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cAUSE otSCRIPTloN ANo CORRECT'VE ACTIONS ii,oil Random failure of the motor which operates pen 1 of TR-43868. Motor repl  ;

i, ii i i aced and recorder returned to service. TR-4386B is a Honeywell Model 370 i f, Qi 30 three-pen recorder. All Honeywell Model 37030 recorders will be added i g ] to the preventive maintenance schedule. I l

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