05000315/LER-1979-019-03, /03L-0 on 790413:while Performing Hydraulic Snubber Surveillance Insp,Snubbers GBD-S573 & GBD-S574 Found W/Drained Reserviors.Caused by Loose Pipe Unions Between Snubbers & Remote Reservoirs.Snubbers Replaced

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/03L-0 on 790413:while Performing Hydraulic Snubber Surveillance Insp,Snubbers GBD-S573 & GBD-S574 Found W/Drained Reserviors.Caused by Loose Pipe Unions Between Snubbers & Remote Reservoirs.Snubbers Replaced
ML17317B185
Person / Time
Site: Cook American Electric Power icon.png
Issue date: 05/09/1979
From: Michael Brown
INDIANA MICHIGAN POWER CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17317B184 List:
References
LER-79-019-03L, LER-79-19-3L, NUDOCS 7905150430
Download: ML17317B185 (2)
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LER-1979-019, /03L-0 on 790413:while Performing Hydraulic Snubber Surveillance Insp,Snubbers GBD-S573 & GBD-S574 Found W/Drained Reserviors.Caused by Loose Pipe Unions Between Snubbers & Remote Reservoirs.Snubbers Replaced
Event date:
Report date:
3151979019R03 - NRC Website
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text

NRC FORM 366 (7-77)

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7 8

CON'T

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8 U. S. NUCLEAR REGULATORY COMMISSION ICENSEE EVENT REPORT 0

1 (PLEASE PRINT OR TYPE ALLREQUIRED INFORMATION) 6 I

Q2 0

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0 0

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0 0

0 Q24 I

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I OR~Os 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 CONTROL BLOCK:

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LICENSEE CODE Q

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5 0

0 0

3 I

5 QTO 4

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Qs 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES

~10 WHILE PERFORMING HYDRAULIC SNUBBER %RVEILLANCE INSPECTION, SNUBBERS GBD-S573 AND '.GBD-S574 i WERE FOUND WITH DRAINED RESERVOIRS.

THIS CONSTITUTED A SNUBBER INSPECTION FAILURE PER TECH.

SPEC. 4.7.8.1.1, ALTHOUGH SNUBBERS PASSED FUNC-8 TIONAL TESTING CRITERIA UPON REMOVAL.

PUBLIC HEALTH AND SAFETY WERE NOT JEOPARDIZED.

NO PREVIOUS EVENTS IDENTICAL TO THIS HAVE OCCURRED.

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8 9

80 7

8 SYSTEM

CAUSE

CAUSE COMP VALVE CODE CODE

"'UBCODE COMPONENT CODE

'UBCODE SUBCODE Ql 012 LJO18 s

U P

0 R

T 64 LJGE L'JOE 9

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

CODE TYPE NO.

011 REPORT

~79

~

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~03

~L 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 Q22 SUBMITTED FORM SUB.

SUPPLIER MANUFACTURER Ols ~HO19 '2029 F02 0

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Q22

~NQ24

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2 0

7 O28 33 34 35 36 37 40 4'I 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 THE DRAINED RESERVOIRS WERE CAUSED BY LOOSE PIPE INIONS BEIWEEN TME SNUBBERS AND THEIR REMOTE RESERVOIRS.

THE UNIONS ARE THOUGHT TQ HAVE BEEN LOOSENED BY CONTRACTOR PERSONNEL FOLLOWING A PREVIOUS INSPECTION.

THE SNUBBERS WERE TESTED AND FOUND TQ BE OPERABLE.

HOWEVERP THEY WERE REPLACED WITH NEWER MODELS.

THE CONSTRUCTICN SUPERVISOR WAS NOTIFIED OF THIS EVENT.

45 7

8 9

FACILITY

~3P METHOD OF STATUS

% POWER OTHER STATUS ~

DISCOVERY DISCOVERY DESCRIPTION Q32 8

~H Q28 ~00 0

Q29 NA

~BQ31 SURVE ILLANCE INSPECTION 7

8 9

10 12 13 44 45 46 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITYQ36 LOCATIONOF RELEASE Q Q33 Z

Q34 NA NA 7

8 9

10 11 44 PERSONNEL EXPOSURES NUMBER TYPE

DESCRIPTION

~lT ~00 o

OET ~OEs 7

8 9

11 12 13 PERSONNEL INJURIES NUMBER OESCRIPTIONQ41 8

~OO O

Q4o NA 80 80 80 80 7

8 7

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7 8

9 11 12 LOSS OF OR DAMAGETO FACILITYQ43 TYPE

DESCRIPTION

Z Q4.

NA 9

10 PUBLICITY ISSUED

" DESCRIPTION~

L~JQ44 9

10 MICHAEL S.

BROWN NAME OF PREPARER 80 NRC USF. ONLY 80 68 69 80 ~ 48 (6 16) 465 590 1 p EXT 398

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