ML19317F977
| ML19317F977 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 09/25/1975 |
| From: | Colombo R, Eisenhuth F SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| To: | |
| Shared Package | |
| ML19317F846 | List: |
| References | |
| NUDOCS 8002210682 | |
| Download: ML19317F977 (1) | |
Text
LICENSEE EVENT REPOPT s
CONTROL DLOCK:l l
l l
l l
l
[PLEASE PRINT ALL RECUlnED INFORMATION) 1 6
ANE LCrNSE NUMBER E
TYPE l Cl Al RlS lS l1 l l 0 l 0 l-l 0l 0l 0l 0 l 0 l-l 0 l 0 l l 4l 1l 1l 1l1 l l0l1l 1
7 09 14 15 25 26 30 31 32 y $Nb T
OOCKET NUMOFR EVENT OATE REPORT DATE CATECORY lL l l0 l S l 0l_l 0l 3l 1l2 l l0 l 9 l 0l 3 l 7l 5l l0[9l2l5l7l5l O 1 CONT l M l I l 7 8 57 50 53 60 61 68 69 74 75 BO EVENT DESCR:PTION Hg l During a surveillance test for safety features actuation of Diesel Generator "B" on l
7 89 80.
gg l September 3,1975, Breaker 52-3B06 failed to cycle, preventing operation of the lg 80 7 80 gg l diesel vent fan. A relay failure prevented the breaker from closing; the relay was l
7 89 ao gl l replaced and other Class I relays will be inspected.
(AO-75-13) l.
7 o9 83 -
@l I
80 7 89 PRus C$E M
VOLATON CODE COMPONENT CODE
~
[ ElE l [BJ l Rl ElL l A lY l Xl lAl lW l1 l2 l0 l
{
o 7 09 10 11 12 17 43 44 47 48
,k,j.
CAUSE DESCRIPTION gg l An internal spacer was missing from a relay, allowing movement which destroyed l
80
+
7 09 DE l contacts, preventing Breaker 52-3B06 from operating. The relay was replaced and
['
7_
ao,
[
.,a 9] l the surveillance test was performed, verifying operability.
ll
,/
FACluTY METHOO OF STATUS
% POWER OTHER STATUS OGCOVERY OGCOVERY OESCRIPTON 8
Lc]
1010101 I NA l
[BJ l NA l
7 8 9
10 12 13 44 45 46 80 ACTmfy CON 1ENT E
AMOUNT OF ACTMTV LOCATON OF RELEASE OF RELEASE l RELEASED
]
NA l
l NA l
1 lZl 8G 7 8 9
10 11 44 45 PEF.SONNEL EXPOSURES NUMBER TYPE CESCRIPTON DE l0 l 0 l 0l y l NA l
7 89 11 12 13 80,
PERSONNEL INJURIES NUMBER OESCRIPTON H I 010101 1 NA l
7 89 11 12 80 OFFSITE CONSEQt)ENCES 35 I NA l,._
7 89 80.,
m LOSS OR OAMAGE TO FACILITY TYPE DESCRIPTON E2 l_Zl l NA l
7 89 10 80 PUBLICITY gg l Sacramento Union and Sacramento Bee notified 9/4/75 l
3 7 89 eo
/N ADDITIONAL FACTORS i
f ll l
' ff 9 80 8 0 02 210 Q2 19 l 7 89 80 R. W. Colombo /F.T. Eisenhuth (916) 452-3211 NAME:
PHONE:
cro est ssi
.