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 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 7 8 9 M I D C LICENSEE CODE C 2 Qg 14 15 0 0 0 0 0 0 0 LICENSE NUMBER 0 0 0 0 25 Qs 26 4 1 I LICENSE TYPE 1 1 30 Q4~57 CAT 58 Qs 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 AND WAS DECLARED I NOPERABLE THUS, NOT MEET I NG THE I NSTRUMENT OPERAB I L I TY RENDU I RE-

~O3 ~

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 SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE LII~JQ>> E Q2 ~EQ I N S T R U Q4 ~TQ16 ~Z Q%

7 8 9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT R EV IS I ON EVENT YEAR REPORT NO. CODE TYPE NO.

Q17 LF R)RO REPORT ~80 21 22 Q

23

~iJJJ 24 26 Q>

27

~03 28 29 L~J 30

[J 31 LOJ PRIME COMP. COMPONENT ACTION FUTURE EFFECT SHUTDOWN Q ATTACHMENT NPRDQ MANUFACTURER 33

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TAKEN ACTION 34 ON PLANT

~z020 35 METHOD

~021 36 37 HOURS

~

40 SUBMITTED

~N023 41 FORM SUB.

~Y024 42 SUPPLIER

~A026 43 44 B 0 8 0 47 Q26 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 REPLACED TRANSMITTER WASSENT TO ITT BARTON FOR REPAIR AND,EVALUAITIONOF.THIS 3

4 PROBLEM

~Q 80 co 7 8 LJQ 9

ACTIVITY

. 10 CONTENT 12 13 44 45 Q31 46 OPERATOR, OBSERVATION 80 RELEASED OF RELEASE z z AMOUNT OF ACTIVITY NA Q NA LOCATION OF RELEASE 036 033 034 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES 7 8 9 11 12 13 80 PERSONNEL INJURIES 7

7 B

8 8

9 TYPE 9

z 04'A, 11 DESCRIPTION 10 PUBLICITY 12 LOSS OF OR DAMAGE TO FACILITY 43 gdu~ I (og 7p NRC USE ONLY 80 80 7 8 9 '0 68 69 616-465-5901 80 o 0

L NAME OF I REPARER

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