ML19317G028

RO-76-10:on 760806,diesel Generator a Failed to Start During Special Test of Air Start Sys Capacity.Caused by Failure of Air Start Motor.Diesels Will Be Declared Out of Svc If Either of Two Air Start Sys Fails to Operate

ML19317G028
Person / Time
Site:	Rancho Seco
Issue date:	08/26/1976
From:	Colombo R, Eisenhuth F SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML19317F917	List: ML19317F916 ML19317G028
References
NUDOCS 8002210731
Download: ML19317G028 (1)

Text

.

UCENSEE EVENT REPORT CONTROL 8 LOCK:l l

l l

l l

l (PLEASE PRINT ALL REOU: RED INFORMATION)

O.

'SS$c

LctNS. NuMeEA

'N' YYPE I cl Ain ir is 111 I of ol-l olo lo Io Iol-l Ol of 14 Il li 1111 I loIil i

7 89 14 15 26 26 30 31 32 CATECORY Y

E DOCKET NUMBER EVENT DATE REPORT D/.fE QCOrri l M l Il (L_}

lLl l 0l 5l 0l-l 0l3 l1 l2 l l o l 8 l0 l 6l7 l6 l l 0 l 8 l 2 l 6l7 l6 l 7 8 57 58 59 60 61 68 69 74 75 80 EVENT OESCRIPTION EE l A start failure of the "A" Diesel Generator was experienced during a special test of l 7 89 80 rE O

l the air start system capacity. While testing the "B" Diesel Generator was available l*

7 89 80 Q l as required. This is the first instance of this type failure. Diesels will be l

7 89 80 EE l declared out of service if either of the two air start systems are not operational to l -

7 89 80 Q l prevent recurrence.

(R0 76-10) l 7 89

,wg 80 -;

EE ODE COMPONENT CODE A

AC VotAtcN Q lE l E l y lE lN lG lIl Nl El lA l lE l1 l4 l7 l lNl 7 89 10 11 12 17 43 44 47 46

/

CAUSE DESCRIPTION SE l The DC air start system was isolated to test the AC system capacity. The teeth on thel.

7 89 80 " "

3E l ninion struck the teeth on the rine near and would not en w.z. otever." c operation ofl,

7_09 80-f

[

l l the air start motors.

l' q,/

1. AClut Y METHCO OF

$TATUS

% POWER OTHER STATUS SCCVEAY OtSCOVERY DESCR.PTCN ioI lo I o I o l I NA l

[CJ l

NA l

i 7

8 9

10 12 13 44 45 46 80 ACTMTV CONTENT RELEAS Q OF AELEASE AMOUNT OF ACTMTY LOCATCN OF AELEASE '_

Wl NA I

l NA l,

1 7 8 9

10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIATON 3E 1010101 Wl NA l

7 89 11 12 13 80 ',

PERSONNEL INJURIES NUMBER CESCA8PTON DE l 0 l 0 l 0l l

NA l

7 89 11 12 80 OFTSITE CONSrQUENCES

'~

32 l Minimal to none l

7 89 80 LOSS OR OAMAGE TO FACfLITY TYPE DESCRPTON D] U l

NA l

7 89 10 80 PUDLICITY gg l

' Sacramento " Bee" and " Union" notified l

,I I O9 80 J

,/

AOO!TIONAL FACTORS l l The probability of this occurrence with both air start systems operational is l

V09 80 gg l insignificant.

gg9, g/

l 7 89

' ' ^ "

80 R.W. Colombo /F.T. Eisenhuth (916) 452-3211 NAME:

PHONE:

GPO 861 667

_.