ML17326A562

LER 80-009/03L-0:on 800208,during Normal Operation,Steam Generator 3 Level Indication Became Erratic & Was Declared Inoperable.Caused by Faulty Transmitter.New Transmitter Installed

ML17326A562
Person / Time
Site:	Cook
Issue date:	03/04/1980
From:	RISCHLING J L INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17326A561	List: ML17326A560 ML17326A562
References
LER-80-009-03L, LER-80-9-3L, NUDOCS 8003110677
Download: ML17326A562 (2)

Text

NRC FORM 366 U.S.NUCLEAR REGULATORY COMMISSION I7:,7Z~ENSEE EVENT REPORT I CONTROL BLOCK: Q1 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

I 6~Qf M I D C C 2 Qg 0 0 0 0 0 0 0 0 0 0 0 Qs 4 1 I 1 1 Q4~Qs 7 8 9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 CON'T~o1~LQ6 0 5 0 0 0 3 1 6 Qj 0 2 0 8 8 0 Qs 0 3 0 4 8 0 Qg 7 8 60 61 DOCKET NUMBER'59 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES 010~O2 DURING NORMAL OPERATION, STEAM GENERATOR NUMBER 3 LEVEL INDICATION BECAME ERRATIC~O3 AND WAS DECLARED I NOPERABLE~THUS, NOT MEET I NG THE I NSTRUMENT OPERAB I L I TY RENDU I RE-MENTS OF T.S.TABLES: 3.3-1 ITEM 14 AND 3.3-3 ITEM 5.a AND 6.2.THE APPROPRIATE

~as BISTABLES WERE PLACED IN THE TRIP POSITION AND NUMBER 3 STEAM GENERATOR LEVEL WAS o 6 PLACED IN MANUAL CONTROL PREVIOUS OCCURRENCES INCLUDE'O 050 315/79 52 AND 53~O7~os 80 7 8 9 7 8 SYSTEM CAUSE CAUSE COMP.VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE LII~JQ>>E Q2~EQI N S T R U Q4~TQ16~Z Q%9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT R EV IS I ON LF R)RO EVENT YEAR REPORT NO.CODE TYPE NO.Q17 REPORT~80 Q~iJJJ Q>~03 L~J[J LOJ 21 22 23 24 26 27 28 29 30 31 ACTION FUTURE EFFECT SHUTDOWN Q ATTACHMENT NPRDQ PRIME COMP.COMPONENT TAKEN ACTION ON PLANT METHOD HOURS Q SUBMITTED FORM SUB.SUPPLIER MANUFACTURER

'1.~zg.~z020~021~~N023~Y024~A026 B 0 8 0 Q26 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 027 o INVESTIGATION REVEALED THAT THE TRANSMITTER, MANUFACTURED BY BARTON-MODEL NO.764, WAS CAUSING THE ERRATIC INDICATION.

ANOTHER TRANSMITTER WAS INSTALLED, CALIBRATED AND THE AFFECTED STEAM GENERATOR LEVEL CHANNEL WAS RETURNED TO SERVICE.THE 3 REPLACED TRANSMITTER WASSENT TO ITT BARTON FOR REPAIR AND,EVALUAITIONOF.THIS 4 PROBLEM 80 45 co LJQ~Q Q31 OPERATOR, OBSERVATION 7 8 9.10 12 13 44 45 46 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY Q LOCATION OF RELEASE 036 z 033 z 034 NA NA 7 8 9 10 11 44 PERSONNEL EXPOSURES 7 8 9 11 12 13 PERSONNEL INJURIES 80 80 80 7 8 9 11 12 LOSS OF OR DAMAGE TO FACILITY 43 TYPE DESCRIPTION B z 04'A, 7 8 9 10 PUBLICITY gdu~I (og 7p NRC USE ONLY 80 80 7 8 9'0 NAME OF I REPARER 68 69 616-465-5901 80 o 0 L

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