ML20085K216

Telecopy Ro:On 731028,while in Cold Check Down Condition,Air Start Sys on Diesel Generator 3 Failed.Investigation Underway

ML20085K216
Person / Time
Site:	Dresden
Issue date:	10/29/1973
From:	Worden W COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 8310200354
Download: ML20085K216 (1)

Text

- - - - - _ _ _ _ _ - . _ _ _ _ _ - . - . _ _ - - - . _ _ _ . . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

! W EE

- mestern union Telegram >

VEE 195(1542)(1-020684C302)PD 10/29/73 1540 OCi'9 R D 9 i

ICS IPMVEIC MVN 03169 TDVE MORRIS ILL 125 10-29 1145A CST l PM6 JAMES G KEPPLER REGIONAL DIRECTOR I

DIRECTORAIE OF REGULARITY OPERATIONS REGION 3 US me AIOMIC ENERGY COMMISSION 799 ROOSEVELT RD h$GLENELLYNILL60137 58 SUBJECT DPR-25 DRESDEN NUCLEAR POWER STATION UNIT 3.

ho IHIS WILL CONFIRM A C00NVERSATION WITH MR F MAURA 0F YOUR OFFICE

$$ At 1120 HOURS THIS DATE CONCERNING A FAILURE OF THE AIR START 00

gg 6YSTEM ON DIESEL GENERATOR NUMBER 3. D .

Sm ON OCTOBER 28, 1973 AT 910AM FOR UNIT 3 WAS IN THE COLD

, OS(n CHECK DOWN CONDITION DIESEL GENERATOR NUMBER 3 WAS GIVEN A START SIGNAL FOR SOME PLANNED TESTING. INSUFFICIENT 1 STARTING AIR LINE AND THE DIESEL STARTED AND OPERATED i SATISFACTORILY. 2/3 DIESEL GENERATOR WAS ALSO STARTED s cr-ms msen s

As vv

[- mu e mestern union Tele ram

.~

~

AND LOADED TO VERIFY IIS OPERABILITY. AN INCSTIGATION INTO THE CAUSE OF FAILURE i la UNDERWAY I

W P WohDEN aVPERINTENDENT DRESDEN NUCLEAR POWER ' STATION COMMONWEALTH EDISON COMPANY ROUTE 1 MORRIS ILL x pm f' 4'T23 (Cyg

?GM ? - -

.:d7 ORDRIts)

Kur, z, i gg,g A W L No.4pp3g3ggg)

OCT 3 1 1 i !o n

^

D-. . '

(/ " "2 ur UTdici, g3 ,,,z

, , _ ~ . _ . _ . _ ,

- . ~

, _ , _ . _ _ _ . . _ . - -._. - _ _ _ ._ ,,_,_. _.,.__._ _ . _ , _ _ _ . _ _ . _ _ . _ _ _ _ _ _ . _ . _ . . _ _ _ _ _ _ . _ _ _ . _ . _ , . . _ _ _ . . _ _ _ _ _ _ . _