05000334/LER-1981-062-03, /03L-0:on 810619,auxiliary Flow Path to Steam Generator 1A Was Isolated.Caused by Maint on Leaking Feed Flow Transmitter Instrument Line Penetration Into Auxiliary Feed Flow Header A.Piping Refabricated

/03L-0:on 810619,auxiliary Flow Path to Steam Generator 1A Was Isolated.Caused by Maint on Leaking Feed Flow Transmitter Instrument Line Penetration Into Auxiliary Feed Flow Header A.Piping Refabricated

ML20009E873
Person / Time
Site:	Beaver Valley
Issue date:	07/16/1981
From:	Lacey W DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20009E868	List: 05000334/LER-1981-062, Forwards LER 81-062/03L-0 05000334/LER-1981-062-03, /03L-0:on 810619,auxiliary Flow Path to Steam Generator 1A Was Isolated.Caused by Maint on Leaking Feed Flow Transmitter Instrument Line Penetration Into Auxiliary Feed Flow Header A.Piping Refabricated
References
LER-81-062-03L, LER-81-62-3L, NUDOCS 8107280505
Download: ML20009E873 (2)

LER-1981-062, /03L-0:on 810619,auxiliary Flow Path to Steam Generator 1A Was Isolated.Caused by Maint on Leaking Feed Flow Transmitter Instrument Line Penetration Into Auxiliary Feed Flow Header A.Piping Refabricated

Event date:
Report date:
3341981062R03 - NRC Website

text

--

~

tr m LICENSEE EVENT REPORT c0NTRot atocit l l

l I

l trLEAsE synlNT OR TYPE ALL REQUIRED INFCKMAfloN)

(TTIl l ? l A l 3 l V I S l 1 l@[ 0 l0 l-l 0 l0 l 0 l 0 l 0 l-l0 l 0 l@l4 l1 l1 l1 l 1'l@l l

j@

3 8

)_

LICE **5EE GO,4 to

• S UCE%E wMetH h

6 LICENSE TYPE JO Si LA T S4 mr 1 lil C l t @l o l 510101013 ! 3 I c l@l 01611191 a l 11@l ol 71 il si al il@

EVENT DESC PTION A' O PROB A C NS *ENCES 121:1 l On 6/19/81 at 1654 hours0.0191 days <br />0.459 hours <br />0.00273 weeks <br />6.29347e-4 months <br /> with reactor power at 99%. the auxiliary flow nach I

to the 1A Steam Generator was isolated for the repair of a leaking feed flow l

g.3, 3, g gl transmitter instrument line penetration into the "A" aux feed flow header. Power l ml operation continued under the guidelines of Technical Specification 3.7.1.2.

[

[TT:n l There were no safety implications and in the event of a safety injection or the l

lc l7 l l loss of normal station power there would have been slightly reduced auxiliary

[

j:ta;l feed flow to the 1A Steam Generator due to the leak.

I So F

4 5 SYSTEu

CAUSE

CAUSE COMP.

VALV E CCCE CCCE SUSCCCE COMPONENT CODE SUSCCCE SUSCOCE l Til I cl MIO U@ L2JO I zi 71 zi zi 21 zlO L7J@ L2J @

t 9

13 in 12 13 18 19 20 SENENTI AL OCCURRENCE REPORT REVISION LfRRC EVENTv!AR REPb 97 NO.

COCE TYPE No.

O a5g' 18 l 11 l-j i 01 (1 21 1/l 10 13 1 Itl 1-1 lo I y,

21

2 2J 24 26 27 28 29 30 31 J2 aObMS S8 i FOR h 8.

SUPPLIE MA.UFAC RER EN AC CN CN P1 NT TET I x l@l z l@

l z l@

l zj@

loIololol lyj@

W@

W@

l.z_OI9l9l@

3; 34 J4 36 31 40 el 42 43 44 47 CAUSE CESCRIPTION AND CORRECTIVE ACTIONS 23 11 l)ll Repairs were made which included refabricatine a section of oloine which was l

'The aux fegd flow nneh en ch a l

l'I: 1 L threaded into the penetration then seal welded.

1A Steam Generator was restored and tested on 6/20/81 at 2124 hours0.0246 days <br />0.59 hours <br />0.00351 weeks <br />8.08182e-4 months <br />.

l

,., -,, l l

l 4 :1 l l

I la t I so o a OtSCOVERY QESCRiPTICN

" a g.s t a OTHER STATUS LS O RY I'I*IlEl@ l0l4l4I@l N/A l

l l@l Operator observation I

'5

'8 8'

2 !.3,7y ch'rgsr 8

i ag.g23g, -r avCLNT OF ACTivlTY LOCATION 0P RELEASE I'I4Il2lhlatLf45EZI@l

'; / A l

l N/A l

3 3 10 44 45 S0 asas,sE:. ro:5. ass N.vstm

?>8f OES;a: prion a l - l -! l 010 l 0 l@l 2 l@l N/A l

,sas:v,e,.Jis t

ss:a Pn:s@

..v.t lj-ll31010l@l N/A l

$ 3 it 80

'2fg2"jf.5^dE.?*'Y@

l!>!I:l@l N/A I

s0 N AC USE ONLY y j;3[cm,r.c., @

I: I '!. ! N ldl M/A l

lllliII!lIl!l$

81575!80503 810716 4 2-643-8525 s. Lacey PDR ADOCK 05000334 PHONE.

S PDR

o

/

A Attachment to LER 81-60/03L Beaver Valley Power Station Duquesne Light Company Docket No. 50-334 No further information is available or needed to satisfy the reporting requirement.

e I