05000315/LER-1978-067-03, /03L-0 on 781223:during Routine Surveillance Test on Solid State Protection Sys,Several Logic Functions in Train B Tested Unsatisfactorily.Test Card(Model 6056033G01) Had Failed & Was Replaced

/03L-0 on 781223:during Routine Surveillance Test on Solid State Protection Sys,Several Logic Functions in Train B Tested Unsatisfactorily.Test Card(Model 6056033G01) Had Failed & Was Replaced

ML17317A904
Person / Time
Site:	Cook
Issue date:	01/19/1979
From:	Beilman T INDIANA MICHIGAN POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17317A903	List: 05000315/LER-1978-067, Forwards LER 78-067/03L-0 & LER 78-068/03L-0 05000315/LER-1978-067-03, /03L-0 on 781223:during Routine Surveillance Test on Solid State Protection Sys,Several Logic Functions in Train B Tested Unsatisfactorily.Test Card(Model 6056033G01) Had Failed & Was Replaced 05000315/LER-1978-068-03, /03L-0 on 781221:during Rapid Power Reduction from 100% to 74% Axial Flux Difference Was Forced Outside Target Band Specified by Tech Specs.Inadvertent Feed Pump Turbine Trip Necessitated Load Reduction to Prevent Trip
References
LER-78-067-03L, LER-78-67-3L, NUDOCS 7901290201
Download: ML17317A904 (2)

LER-1978-067, /03L-0 on 781223:during Routine Surveillance Test on Solid State Protection Sys,Several Logic Functions in Train B Tested Unsatisfactorily.Test Card(Model 6056033G01) Had Failed & Was Replaced

Event date:
Report date:
3151978067R03 - NRC Website

text

NRC FORM 366 U. S. NUCI.EAR REGULATORY COMMISSION LICENSEE EVENT REPORT CONTROI BLOCK:

OI (PLEASE PRINT OR TYPE ALLREQUIRED INFORMATION)

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LICENSEE CODE 14 15 LICENSE NUMBER

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9 QB DOCKET NUMBER 68 69 EVENT DATE I4 IS REPORT DATE 80 EVENT DESCRIPTION AND PROBABI.E CONSEQUENCES 010

~O2 WHILE PERFORMING A ROUTINE SURVE ILLANCE TEST ON THE SOLID STATE PROTECTION SYS

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~OB SEVERAL LOGIC FUNCTIONS IN TRAIN B TESTED UNSATISFACTORILY.

THE TIME LIMIT IMPOSED BY T.S.

TABLE 3.3-1 ACTION ITEM ¹1 AND TABLE 3.3-3 ACTION ITEM ¹13 WAS OBSERVED WITH TRAIN B RETURNED TO SERVICE WITHIN SIX HOURS OF DISCOVERY.

SIMILAR OCCURRENCES INCLUDE: 0316/78-076 AND 080.

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WAS DISCOVERED TO HAVE FAILED AND WAS REPLACED TRAIN B WAS RETESTED WITH SATISFACTORY RESULTS AND RETURNED TO SERVICE.

NO F

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10 OTHER STATUS 0 NA METHOD OF DISCOVERY MBO31 44 45 46 03 45 44 NAME OF PREPARER DISCOVERY DESCRIPTION Q32 80 80 LOCATIONOF RELEASE 036 80 80 PP Oi 21 OxnI 80 s

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