05000368/LER-1980-061-03, /03L-0:on 800728,leakage Discovered on C Charging Pump at Elbow Weld During Mode 1 Operation.Caused by Vibration.Defective Pipe Spool Piece Replaced & Hanger Installed to Reduce Vibration.Pump Operable After Repairs

/03L-0:on 800728,leakage Discovered on C Charging Pump at Elbow Weld During Mode 1 Operation.Caused by Vibration.Defective Pipe Spool Piece Replaced & Hanger Installed to Reduce Vibration.Pump Operable After Repairs

ML19331D763
Person / Time
Site:	Arkansas Nuclear
Issue date:	08/27/1980
From:	Pendergraft R ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19331D755	List: 05000368/LER-1980-061, Forwards LER 80-061/03L-0 05000368/LER-1980-061-03, /03L-0:on 800728,leakage Discovered on C Charging Pump at Elbow Weld During Mode 1 Operation.Caused by Vibration.Defective Pipe Spool Piece Replaced & Hanger Installed to Reduce Vibration.Pump Operable After Repairs
References
LER-80-061-03L, LER-80-61-3L, NUDOCS 8009030546
Download: ML19331D763 (1)

LER-1980-061, /03L-0:on 800728,leakage Discovered on C Charging Pump at Elbow Weld During Mode 1 Operation.Caused by Vibration.Defective Pipe Spool Piece Replaced & Hanger Installed to Reduce Vibration.Pump Operable After Repairs

Event date:
Report date:
3681980061R03 - NRC Website

text

c

')

~..

I hRC FORM 366 (J. S. NUCL E All R EGUL ATORY COMMIS$50N f7 77)

LICENSEE EVENT REPOP.T EXHIBIT A CONTROL BLOCat; l l l l l l lh (PLE ASE PRINT OR TYPE ALL R EOUIRED INFORMAT**)N) 6 6

l,o lil l AlR l Al Nl 0 l 2lgl 0 l0 l - l0 l0 l 0l q 0 l-l 0 ;0 lg l1 l 1 l1 l 1 gl l jg g

L.C N5u Cooi i. u L,a ~si N v-.< a n

x L.u >,,,i

,o 5, C A r 5.

CON'T 10151 0' "' LL_J@l0 l 5 p LO_10 !31618GI 017 I ? l 8' 81 Ol@l 0181 ?l7 I a l 01@

7 60 63 DOC sL E T Nuwt E R M

WJ EVENT Daig 75 gpouTonig

.o EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES l

t o i a,1 During Mode 1 operation, a le was discovered on the "C" charging pump,

to tal I suction oire at a 1 inch test line (Elbow Weld.) The "C" choraing oump i was isolated to facilitute repair.

"A"

& "B" charging pumps remained op-1

,o,,,i in ist i era bl e.

This occurrence is similar to LER's 50-368/79-031,80-019, and I t o is i 1 80-034.

Reportable per Tech. Spec. 6.9.1.9.d.

1 [c i;l l l

l Iole 1 i

'Cbet

c$t SEe^C$t W.t t

Gu*CNENT Cout t

.P l C,l@ L,,Ej@ (C,._.J@ l P II I P IE I X ! L,i@ B_JS LZJ @

i s

x t,s m.

SECcENftAL OCLU5 5 t'. f sat ow r m E vision tr a ho ivtNT vt sa mEPQst NO C O';.

'wat No

@,agi,";

I,810 I L.J l e l 6111 td 10I 3!

L,LJ

[.--J [0J

_2 n

2 n

v n

2 u

TAREN ACT C PLA T wT D wNR1 22 5 5 T C 8

5

• • t E R LA.J@L.EJ@ l 21 @

LZJ@

10IO!0!ul L.E,J@

L..I!J O L.,Aj @ lZl9'ACTurE9l@

va.s l91 n

2 u

2

,o C AUSE DESCR# TION A**D CORREC flVE ACTIOP.S h l'io i LCause of occurrence is believed to be vibration induced. The pipe spool i 12 liiininen with tho dofort was renlared with a scheduls 160 nine and re-orien-ted to change the vibrational plane.

A hanger was installed to reduce l rp;-) l the vibration.

"A" & "B" charging pumps received the same repairs.

"C" [rg-) I charging pump was returned to operable status f allowing repairs.

L' W lE_J@ l ll O! 0 l@l Power Ops l 5bwgj Routine Ins.s;o,dg g, ce ses.P rios ETA 5

%POWEa OTHE M 51 a,v5 n

pe lon l

• 0 80 A Taviiv C TINT af LE ASED OF RELE A5E AMOUNT CF ACTivtTV

,9c f. ;'ON OF ME L ( As[

l rmatu @ gj@i NA i

i NA l

io PE H50NNEL E kPCsu ES m

tJUVEfp T=PE CtstaPfione IYl 7 I I o I cI Ol@[_ j@[ NA l

su

,i 50 NE L ~uL5 ciSC. ten @

.,u

.c.

L,&.J.101010 l@l NA g

i,

,2 Y (

DESCR PT ON g'

ITITl llj@l NA 7

ft 9 to PV.L 'ClT V N R C LV ON L Y PTION 155ut 0@Ot3Cp:

l.E.J l

NA j l;;;;;;;,,,,;;

'o o

,o Rex Pendergraft 501/968-2519 NAMI OF PREPARER

^P#*

3'00903 0 Q6 General Manager