05000316/LER-1980-009-03, /03L-0:on 800208,during Normal Operation,Steam Generator 3 Level Indication Became Erratic & Was Declared Inoperable.Caused by Faulty Transmitter.New Transmitter Installed

/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 INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17326A561	List: 05000316/LER-1980-009-03, /03L-0:on 800208,during Normal Operation,Steam Generator 3 Level Indication Became Erratic & Was Declared Inoperable.Caused by Faulty Transmitter.New Transmitter Installed
References
LER-80-009-03L, LER-80-9-3L, NUDOCS 8003110677
Download: ML17326A562 (2)

LER-1980-009, /03L-0:on 800208,during Normal Operation,Steam Generator 3 Level Indication Became Erratic & Was Declared Inoperable.Caused by Faulty Transmitter.New Transmitter Installed

Event date:
Report date:
3161980009R03 - NRC Website

text

NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION I7:,7Z~

ENSEE EVENT REPORT I

CONTROL BLOCK:

Q1 (PLEASE PRINT OR TYPE ALLREQUIRED INFORMATION)

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LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 CON'T

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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 INOPERABLE ~

THUS, NOT MEETING THE INSTRUMENT OPERAB ILITY RENDUIRE-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

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SYSTEM

CAUSE

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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.

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LOJ 21 22 23 24 26 27 28 29 30 31 ACTION FUTURE EFFECT SHUTDOWN Q

ATTACHMENT NPRDQ PRIME COMP.

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SUPPLIER MANUFACTURER

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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 AMOUNTOF ACTIVITYQ LOCATIONOF 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 DAMAGETO FACILITY 43 TYPE

DESCRIPTION

B z04'A, 7

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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 0L

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