05000272/LER-1979-041-01, During Refuling Outage, Eddy Current Testing of Steam Generator Tubes 12 & 14 Performed.After Testing,One Template Plug Lost in Primary Coolant Sys.Caused by Personnel Error

During Refuling Outage, Eddy Current Testing of Steam Generator Tubes 12 & 14 Performed.After Testing,One Template Plug Lost in Primary Coolant Sys.Caused by Personnel Error

ML18081A649
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
ML18081A648	List: 05000272/LER-1979-041, Forwards Updated LER 79-041/01X-1 05000272/LER-1979-041-01, During Refuling Outage, Eddy Current Testing of Steam Generator Tubes 12 & 14 Performed.After Testing,One Template Plug Lost in Primary Coolant Sys.Caused by Personnel Error
References
LER-79-041-01X, NUDOCS 7912030195
Download: ML18081A649 (1)

LER-1979-041, During Refuling Outage, Eddy Current Testing of Steam Generator Tubes 12 & 14 Performed.After Testing,One Template Plug Lost in Primary Coolant Sys.Caused by Personnel Error

Event date:
Report date:
2721979041R01 - NRC Website

text

.UCLEAR REGULATURV COMMISSION CONTROL BLOCK: I 10 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION!

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[ill] I N b I s I G I s I 1 l@I o I o I - I o Io I o I o I o I - I o I o 101 4 I 1 I 1 I 1 I 1 101 I I G) 7 8

9 L.ICENSEE CODE 14 15

. L.ICENSE NUMBER 25 26 L.ICENSE TYPE JO S7 CAT SS CON'T [ill]

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• ~~~~ L1J© I o I s I o I o I o I 2 I 7 I 2 IG)I o I 4 I 21 s I 7 l 9 I© I 1 11 I l I o I 7 I 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE EVENT. DESCRIPTION ANO PROBABLE CONSEQUENCES@

910 80 I During the refueling outage, eddy current testing of No. 12 and 14 S/G tubes was

((l!J f performed.

After testing, 33 of the 34 template plugs used in the S/G were CQJ:[I I accounted for.

The remaining plug assembly must be assumed lost inside the primary

((I[) I coolant system.

A Westinghouse evaluation indicated that the plug is of insignif i-

[§:))] I cant mass and chemical anal!i"sis of plug residue showed the plug wquld haye no

((II] I detrimental effect*on system operation.

This is the first occurrence of this type.

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SYSTEM

CAUSE

CAUSE COMP.

VAL.VE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCOOE JCIAI@ ~@ w@ 1z1z1z1z1z1z1@ W~@

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. 11 12 13 1B 19 20

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L.ER!RO LVENT VEAR 0

REPORT I 7 I 9 I NUMBER 21 22 SEQUENTIAL.

OCCURRENCE REPORT REPORT NO.

CODE TYPE I I I o I 41 1 I I.....-1 I o I 1 I W

L=J 23 24 26 27 28 29 30 31 ACTION FUTURE EFFECT.

SHUTDOWN t.;::\\

ATTACHMENT NPRD-4.

PRIME COMP.

REVISION NC.

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TAKEN ACTION ON PL.ANT METHOD HOURS ~ SUBMITTED FORM l>UB.

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CAUSE DESCRIPTION ANO CORRECTIVE ACTIONS @

44 47 I The cause o.f this occurrence was personnel error in that the maintenance contractor o:IIJ !supervisor failed to establish tool and material control as reguired by the job

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I]J I procedure.

The supervisors have been instructed to follow written job procedures [ill] I and that no work wiJ.lbe done without written notification and/or procedures.

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'ERSONNEL. EX,OSURES Q

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DISCOVERY DISCOVERY DESCRIPTION.

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L.OCATION OF REL.EASE

. N/A 80 NUMBER t::;\\ TYPE t.::\\ OESCRiPTION

[!lII I olol ol~L!.J~l----*--N~/-A ________________________________________ ___

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9 11 12 13 PERSONNEL. INJURIES

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80 NUMBER DESCRlflTION~

EE] I 0 I 0 I 0 l@i..;1 ____

_.:N;.:.L/...:,:A:,.._ ___________________

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9 11 12 80 L.OSS OF OR DAMAGE TO FACIL.ITY 143' TYf'E

DESCRIPTION

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NRC USE ONLY ill1] Lz.Jei... I ------------------*..-..N.._/A

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