05000272/LER-1979-045-01, /01X-1:on 790601,imperfections Found in Impeller of Component Cooling Pump 13.Caused by Mfg Technique Prior to ASME Code Examination Requirements.Original Impellers Replaced

/01X-1:on 790601,imperfections Found in Impeller of Component Cooling Pump 13.Caused by Mfg Technique Prior to ASME Code Examination Requirements.Original Impellers Replaced

ML18081A675
Person / Time
Site:	Salem
Issue date:	11/10/1979
From:	Kapple A Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18081A674	List: 05000272/LER-1979-045, Forwards LER 79-045/01X-1 05000272/LER-1979-045-01, /01X-1:on 790601,imperfections Found in Impeller of Component Cooling Pump 13.Caused by Mfg Technique Prior to ASME Code Examination Requirements.Original Impellers Replaced
References
LER-79-045-01X, LER-79-45-1X, NUDOCS 7912040409
Download: ML18081A675 (1)

LER-1979-045, /01X-1:on 790601,imperfections Found in Impeller of Component Cooling Pump 13.Caused by Mfg Technique Prior to ASME Code Examination Requirements.Original Impellers Replaced

Event date:
Report date:
2721979045R01 - NRC Website

text

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LICENSEE EVENT REPORT U **

UCLEAR REGULATURY COMMISSION CONTROL BLOCK:!""" -----------.!l 0 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI lTill I N !J I s I G I s I 1 I@! 0 I 7

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LICENSEE cooe 14 15 o I - I o I o I o I o ! o I - I o ! o 101 4 I 1 I l I 1 I l 101 I I 0 LICENSE NUMBER 25 26 LICENSE TYPE JO 57 CAT 58 CON'T [ili]

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~~~~~ LJJ© I o I s I o I o I o I 2 I 7 I 2 lG)I o I 6 I 01 11 7 I 9 JG) I 1 I 1 I 1 I a I 7 I 9 10 60 61 COCKET NUMBER 68 69 EVENT CATE 74 75 REPORT CATE 80 EVENT DESCRIPTION ANO PROBABLE CONSEQUENCES@

[)))) I During normal operation, evaluation of the March surveillance performance data for I No. 13 Component Cooling Pump showed pump delta P in the alert range.

The pump was I disassembled during the refueling outage and imperfections were found in the impeller.

Public Service Engineering Department evaluation concludes the pump

(())]

impeller imperfections not significant to affect fatigue life and were in no danger I

((II] I of failure due to"detected indications.* This is the first occurrence of this type. I

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7 B 9 80 lilil

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SYSTEM CODE IWIB I@

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CAUSE

CAUSE CODE SUBCOCE COMPONENT CODE w@ l....ill@ IP I ulM I PIX I x1@

11 12 13 18 SEQUENTIAL OCCURRENCE

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LER'RO LvENTYEAR REPORTNo.

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30 VALVE SUBCOOE w@

20 l=1 31 REVISION NC. w 32 ACTION FUTURE EFFECT SHUTDOWN Q

ATTACHMENT NPR0-4 TAKEN ACTION ON PLANT METHOO HOURS ~ SUBMITTEC FORM :iUB.

PRIME COMP.

SUPPLIER COMPONENT MANUFACTURER llW@l.:f.J@

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CAUSE DESCRIPTION ANO CORRECTIVE ACTIONS @

43 44 47 DJ:[] I The cause of this occurrence was manufacturing technique.

The pumps were manu-factured prior to ASME Code examination requirements.

The original pump impellers of all our component cooling pumps have been replaced with new, thoroughly o::IJJ I inspected, stainless steel impellers.

No further action is necessary.

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FACILITY ljQ\\

STATUS

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9 10 12 11 ACTIVITY CONTENT C\\

RELEASED OF RELEASE AMOUNT OF ACTIVITY ITEJ 11..J @) l!J@I N /A 7

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10 11 7

44 45 46 80 I

LOCATION OF RELEASE @

N[A 44 45 80 l'ERSONNEL EXPOSURES t:::::\\

NUMBER A

TYPE~

CESCRIPTION EIIJ I o I o I o l~W~

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9 11 12 13 PERSONNEL INJURIES I'.:"::\\

80 NUMBER DESCRIPTION~

DJ!] I olol ol(§),__ ______ ~N~A""-_______________________________ __.

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9 11 12 LOSS OF OR DAMAGE TO FACILITY ~

TYPE

DESCRIPTION

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80 [QI] W@

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ISSUEOC,;\\ DESCRIPTION~

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PHONE: (609)365-7000 Salen Ext.

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