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 10 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION!

1 6 [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] 7 B 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 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. []]]] 7 B 9. BO [ffi] *7 B SYSTEM CAUSE CAUSE COMP. VAL.VE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCOOE JCIAI@ w@ 1z1z1z1z1z1z1@

9 10 . 11 12 13 1B 19 20 *r.::-. 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. L1J 32 COMPONENT MANUFACTURER

\ TAKEN ACTION ON PL.ANT METHOD HOURS SUBMITTED FORM l>UB. SUPPL.I ER L!LJ@UJ@ .

• l..Ll@ W I o I o I o I o I l.XJ@ llLJ@ LlJ@ 33 34 35 36 37 40 41 42 43 I zl 9 I 919 I@ 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 ;.J: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.

ITilJ *7 7 8 9 ; FACll.ITY

'3Q\ STATUS '!lo POWER OTHER STATUS* \::::I ETIJ L.QJ@ 1_9 lo Io l@l __ 8 9 10 12 13 44 ACTIVITY CONTENT *t:;;;\ . REL.EASED OF REL.EASE AMOUNT OF ACT1VITY IIIIl UJ (§) l!J@I N /A . I 7 B 9 10 11 44 'ERSONNEL.

EX,OSURES Q 80 METHOOOF DISCOVERY DISCOVERY DESCRIPTION.

__ r_n __ sp._e_c_t_i_o_n

____ . ______________ E L.OCATION OF REL.EASE . N/A .* 80 NUMBER t::;\ TYPE t.::\ OESCRiPTION

[!lII I olol

________________________________________

___ 7 8 9 11 12 13 PERSONNEL.

INJURIES 80 NUMBER EE] I 0 I 0 I 0 l@i..;1 ____ _.:N;.:.L/...:,:A:,.._

___________________

--' 7 B 9 11 12 80 L.OSS OF OR DAMAGE TO FACIL.ITY 143' TYf'E DESCRIPTION L!.l@).___.

__________ 7 8 9 10 BO NRC USE ONLY ill1] Lz.Jei ... I ------------------*..-..N.._/A

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__. II I I II II II I I I 7 8 9 10 6B 69 BO NAMEOFPREPARER----------A_.

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______ PHONE: (609)365-7000 Salen EXt. l . . -------. -*-* ----

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