05000316/LER-1978-086-03, /03L-0 on 780723:snubber 63 Was Found to Be Inverted on Its Horizontal Axis During Inspec Due to Loose Rod End Locknut.Snubber Removed,Tested & Reinstalled

/03L-0 on 780723:snubber 63 Was Found to Be Inverted on Its Horizontal Axis During Inspec Due to Loose Rod End Locknut.Snubber Removed,Tested & Reinstalled

ML17317A784
Person / Time
Site:	Cook
Issue date:	12/04/1978
From:	Michael Brown INDIANA MICHIGAN POWER CO.
To:
Shared Package
ML17317A781	List: 05000316/LER-1978-086, Forwards LER 78-086/03L-0 05000316/LER-1978-086-03, /03L-0 on 780723:snubber 63 Was Found to Be Inverted on Its Horizontal Axis During Inspec Due to Loose Rod End Locknut.Snubber Removed,Tested & Reinstalled
References
LER-78-086-03L, LER-78-86-3L, NUDOCS 7812080089
Download: ML17317A784 (2)

LER-1978-086, /03L-0 on 780723:snubber 63 Was Found to Be Inverted on Its Horizontal Axis During Inspec Due to Loose Rod End Locknut.Snubber Removed,Tested & Reinstalled

Event date:
Report date:
3161978086R03 - NRC Website

text

U. S. NUCLEAR REGULATORY COMMISSION NRC FORM 366 rfe7 t IIIa 'k CONTROL BLOCK [OOi)

I QE~QE I.ICENSE TYPE 30 57 CAT 58 7

8 LlCENSEE EVENT REPORT I

6Q P

I (PLEASE PRINT OR TYPE ALLREQUIRED INFORMATION)

M I

D C

C 2 Qz 0

0 0

0 0

0 0

0 0

Q3 4

9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 CON'T [OO~)

7 8

~OZ soURGE LJLQB 0

5 0

0 0

1 6

Q7 0

7 2

3 7

8 QB 60 61 DOCKET NUMBER 68 69 EVENT DATE

~

74 75 EVENT DESCRIPTION AND PROBABI.E CONSEQUENCES Q10 DURING A SURVEILLANCE INSPECTION SNUBBER I"NO.

63

) WA F

ND REPORT DATE 80 QB ROTATED 180 ON ITS HORZ ~ AXIS AND WAS DECLARED INOPERABLE PER T. S.

~o4

3. 7. 7. 1. SINCE OPERABI LITY IS NOT REQUIRED IN MODE 5, A REPORT WAS NOT

~OS

~06 SUBMITTED.

A RECORD REVIEW DURING AN NRC INSPECTION INDICATED THAT THE SNUBBER MAY HAVE BEEN INOPERABLE DURING REACTOR OPERATIONS AND REPORTING IS MERITED.

NO SEISMIC EVENTS HAVE BEEN RECORDED AND PUBLIC

',, HEALTH AND SAFETY WERE NOT JEOPARDIZED.

~OB 80 7

8 9

7 8

GRINNEL CATALOGUE PH 74' IG 2 0 1)

SNUBBER WAS REMOVED'ESTED SATI S SYSTEM

CAUSE

CAUSE COMP.

VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

~ZZ Q11 B

Q12 L~JQ>>

S U

P 0

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Q4

~BQEE

~ZQ 9

10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LF RI RP EVENT YEAR REPORT NO.

CODE TYPE NO.

Q17 REPQRT

~78 L:I

~08 6

+~

~03

+L L=I UO 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 Q18 ~~Q19

~~Q20

~~Q21 0

0 0 Z

~NQ22

~~Q24

~+Q25 I

2 0

7 Q28 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION ANDCORRECTIVE ACTIONS Qz7 p

SNUBBER WAS INVERTED';DUE TO A LOOSE ROD END LOCKNUT (LOCKNUT B IN ITT FACTORILY AND RE INSTALLED WITH PROPER ORIENTATION~

THE LOCKNUT WAS

~3 TIGHTENED AND,STAKED.

CAUSE OF LOOSE LOCKNUT COULD NOT BE DETERMINED.

NO OTHER SNUBBERS WERE FOUND TO BE INVERTED DURING THE INSPECTION.

7 8

9 FACILITY STATUS

% POWER OTHER STATUS G

0

- 0 0

NA 44 9

11 12 LOSS OF OR DAMAGETO FACILITY 43 TYPE

DESCRIPTION

Z Q4z NA 9

10 PUBLICITY ISSUED DESCRIPTION~

~NQ 9

10 METHOD OF DISCOVERY DISCOVERY DESCRIPTION Q32 5

Q28 ~Q29

~BP21 SURVEILLANCE TESTING 7

8 9

10 12 13 44 45 46 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITYQ3 LOCATION OF RELEASE Q [116] ~Z Q33

~ZQ34 NA 7

8 9

10 11 45 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39

~00 0

Q87 ~ZQER NA 7

8 9

11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTION 41 8 ~00 0

Q40 NA 80 80 80 80 7

8 7

8 O

7 8

7g /2OZOO g 1

NAME PF PRFPARER M S BROWN 80 NRC USE ONLY 80 2

68 69 80 o

616 465 5901p EXT 398 PHONE:

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