ML20084C430

Telecopy Message of Ro:On 711229,main Steam Line Flow Switch Failed.Caused by Moisture Leaking Into Junction Box to Conduit Into Switch.Switch Replaced & Junction Box Sealed Against Moisture

ML20084C430
Person / Time
Site:	Dresden
Issue date:	12/29/1971
From:	Hoyt H COMMONWEALTH EDISON CO.
To:	Grier B US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20084C387	List: ML20084C399 ML20084C430
References
15404, NUDOCS 8304080040
Download: ML20084C430 (1)

Text

_ _.

l

/

mM elearain w

l westem union

~

M DEC 3r c 9 35 DEB 840 SSA136 DE J L A00 6 Z 0 P D=TDJ L U ORRI' S I LL 30 83 5A CST =1 go -yyp 30YCE GRlER US ATOMIC E NERGY COMM i SS'l 0fl=

REGION 3 C0f3PL'l ANCE 799 ROOSEVELT' RD GLEN ELLYN.lLL DPR-59 DRE SDEN NUCLE AR P 0i7ER ST ATI ON UNI T 2:=Tifll 3 17.lLL CONFIRfA A CONVERSATION AT 14i15 liOURS Tii'lS DATE YliTli 11 DANCE REGARD; LNG THE FA'lLURE OF A M AI N STEN.1 LI:NE FLOVl S171 TCli Vil11Cil VIAS D'l SCOVERED DU Rl'NG ROUTil'NE SURVE:lLL ANCE ON I2/29/71 AT 11:'00110VRS. MOI STURE LE AKED 'INTO A JUNCTILON BOX AND TR AVELLED TliROUGH A CONDU'l T llNTO T!iE SVil TCll. Til'liS

~

C AUSED TiiE SYllTC11 TO BE lf3MOBlLIZED BY. RUST. TliE 'I'SOLATI ON CH ANNEL VllilCll V/AS OPER ATED BY TliE SWI TCH YlAS PUT [llN TlfE

{

A TRIP CONDITl'ON DUR.l'NG THE REP AIRS. TIIE S171TCH VIAS j

REPL ACED AND TliE JUNCT.l'ON BOX VIAS SE ALED AGATNST UOI STUREe il K H0YT SUPT DRESDEN NUCLE AR POVIER STAT 10N MORR'l:S :I LL.=

l h(

' "' ^ % -

N [ c, S a - TO GEZ kC =DPRR19 2 ik:'15 i2l29j7i it (oo,i 050002 7

• ""~~~~"* A G

PDR m uG ' .PDR _ - _ _ _ -}}