ML18081A649

Updated LER 79-041/01X-1:on 790425,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: ML18081A647 ML18081A649
References
LER-79-041-01X, NUDOCS 7912030195
Download: ML18081A649 (1)

Text

.UCLEAR REGULATURV COMMISSION CONTROL BLOCK: I 1

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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION!

[ill] I N b I s I G I s I 1 l@I o I oI - I o Io I oI 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

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• ~~~~ L1J© I o I s I 60 61 oI o I o I 2 I 7 I 2 IG)I oI 4 I 21 s I 7 l 9 DOCKET NUMBER 68 69 EVENT DATE 74 I© I 1 11 75 I l Io I REPORT DATE 7 I 910 80 EVENT. DESCRIPTION ANO PROBABLE CONSEQUENCES@

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

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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7 B 9. BO SYSTEM CAUSE CAUSE COMP. VAL.VE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCOOE

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• 7 B 9 10 . 11 12 13 1B 19 20 SEQUENTIAL. OCCURRENCE REPORT REVISION

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0 REPORT NUMBER I7 I 9I I I I o I 41 1 I I .....-1 I oI 1 I W L=J L1J 21 22 23 24 . 26 27 28 29 30 31 32 ACTION FUTURE EFFECT. SHUTDOWN

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CAUSE DESCRIPTION ANO CORRECTIVE ACTIONS @

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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FACll.ITY '3Q\ METHOOOF ~

STATUS '!lo POWER OTHER STATUS* \::::I DISCOVERY DISCOVERY DESCRIPTION.

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ACTIVITY CONTENT REL.EASED OF REL.EASE AMOUNT OF ACT1VITY ~ L.OCATION OF REL.EASE IIIIl UJ (§) l!J@I N /A . I . N/A 7 B 9 10

'ERSONNEL. EX,OSURES 11 Q

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.* 80 t::;\ TYPE t.::\ OESCRiPTION

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

7 8 9 11 12 13 80 PERSONNEL. INJURIES ~

NUMBER DESCRlflTION~

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

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9 10 BO ISSU~~~~CRIPTION@ NRC USE ONLY ill1] Lz.JeiI...------------------*..-..N.._/A___________________________. II I I II II II I I I 7 8 9 10 6B 69 BO NAMEOFPREPARER----------A_.__ w __* __K_a~p~p~l_e______~--- PHONE: (609)365-7000 Salen EXt.

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