05000316/LER-1978-091-03, /03L-0 on 781125:source Range Neutron Flux Channel N-31 Inoperable.Caused by Unclean Connectors on High Voltage Cable & Signal Cable at Prcamp

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/03L-0 on 781125:source Range Neutron Flux Channel N-31 Inoperable.Caused by Unclean Connectors on High Voltage Cable & Signal Cable at Prcamp
ML17317A824
Person / Time
Site: Cook 
Issue date: 12/20/1978
From: Rischling J
INDIANA MICHIGAN POWER CO.
To:
Shared Package
ML17317A823 List:
References
LER-78-091-03L, LER-78-91-3L, NUDOCS 7812270255
Download: ML17317A824 (2)
v • d • e


LER-1978-091, /03L-0 on 781125:source Range Neutron Flux Channel N-31 Inoperable.Caused by Unclean Connectors on High Voltage Cable & Signal Cable at Prcamp
Event date:
Report date:
3161978091R03 - NRC Website
v • d • e

text

U. SE NUCLEAR REGULATORY COMMISSION NRC FORM 366 (7.77)

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7 8

CON'T

~01 7

8 LtCENSEE EVENT REPORT CONTROL BLOCK:

2 QE tPLEASE PRINT OR TYPE ALLREQUIRED INFORMATION)

I 6

M I D

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2 Q2 0

0 0

0 0

0 0

0 0

0 0 Q34 1

1 1

1 Q4~QE 9

LICENSEE CODE 14 IS LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58

~LQB 0

5 0

0 0

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6 Q7 1

1 2

5 7

8 QB

]

2 2

0

.7 8

QB 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10 DURING A REEACXOR STARTUP 9 SOUKZ RANGE NEUZRCN FLUX CHANNEL N 1 i WAS DECLARE)

~O3 INOPERABLE FOR A PERIOD OF 1MRlTY 5KNUT)D.

THIS EXCEEDED %K REQUIREMENTS OF T.S.

TABLE 3.3-1 ITEM 6.A.

THE APPLICABLE ACZION REQUIREMENT WAS FULFILLED.

~OS PREVIOUS OCCURR)%FACES INCLUDE EG-050-315/77-39, 78-55; RO-050-316/78-01.

~O6

~OB 80 7

8 7

8 SYSTEM

CAUSE

CAUSE COMP.

VALVE CODE COPE SUBCODE COMPONENT CODE SUBCODE SUBCODE

~IX QEE B

Q42

~A Q43 I

N 9

T R

U Q44

~X QEE

~Z QER 9

10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LERiRP EVENT YEAR REPORT NO.

CODE TYPE

~

NO.

Q17 REPRRT L770 Q

~09 1

L~J

~~

L~l Ll 21 22 23 24 26 27 28 29 30 31 32 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDQ PRIME COMP.

COMPONENT TAKEN ACTION ON PLANT METHOD HOURS

&22 SUBMITTED FORM SUB.

SUPPLIER MANUFACTURER QER PJQEE gJQ20

~QEE 0

PJQ23

~Q24

~Q25 N

Q28 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 o

THE CONMKTORS ON THE HIGH VOLTAGE CABLE AND SIGNAL CABLE AT THE PREAMP WERE CUWtKD AND CHAN%K N-31 WAS Rl'TURNED TO SERVICE OPERATING PK)PERLY.

A DESIGN CHANGE (12-1635)

WAS INIT~10 PROVIDE AN ENGINEERING REVIEW OF THE SOURCE 3

RANGE NI SYSTEM.

7 8

9 FACILITY STATUS N0 POWER OTHER STATUS 0

NA 7

8 9

10 PUBLICITY ISSUED DESCRIPTION ~~

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~NQ44 7

8 9

10 NAME OF PREPARER J. L. Rischling 5

~C Q28 ~00 Q28 7

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10 12 13 44 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITYQ Cra WQ33 MQ34 NA 7

8 9

10 11 PERSONNEL EXPOSURES NUMBER TYPE

DESCRIPTION

~00 0

Q37 ~Z Q38 7

8 9

11 12 13 PERSONNEL INJURIES 7

8 9

11 12 LOSS OF OR DAMAGE.TOFACILITY 43 TYPE

DESCRIPTION

9 Z

Q42 NA 80 80 45 80 80 80 5'l22-+)-IAQ 80 NRC USE ONLY 08o 5

80 o 0L 68 69, 616-.465-5901 METHOD OF DISCOVERY DISCOVERYPDESCRIPTION Q32

~AQ31 OPERATOR OBSERVATION 45 46 LOCATION OF RELEASE Q36

,/

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