ML19308D271

RO-77-03:on 761229,makeup Pump Suction Valve Closed During Surveillance Test,Causing Makeup Pump 3B to Lose Suction & Seize.Caused by Spurious Valve Closure.Incident Could Not Be Repeated

ML19308D271
Person / Time
Site:	Crystal River
Issue date:	01/11/1977
From:	Stewart W FLORIDA POWER CORP.
To:
Shared Package
ML19308D110	List: ML19308D109 ML19308D271
References
NUDOCS 8002270718
Download: ML19308D271 (1)

Text

- -

UCENSEE EVENT REPORT

_ %ONTROL BLOCK:l l l l l l l (ptkast PRINT ALL REQUIRED INFORMATION)

U =- _E _.ER w =

01 7 89 l FlL lC lR lP l 3l 14 l 0l 0l-l0 l 0 l 0 l 0 l 0l-l0 l0 l l 4 l 1 l1. l 1 l 1 l l0l1l 15 25 28 30 31 32 CATEGORY TYPE RC DOCKET NUMBER EVENT DATE REPCRT DATE O 1 CON'T l 0 l

• l (L,j W l Ol Sl 0l-l0 l3 l0 l2 l l 1l 2l 2l9 l7 l6 l l 0 l 11 il 1l 7l 7l 7 8 57 58 59 60 61 68 69 74 75 80 EVENT DESCRIPTION DE l During surveillance test of engineered safeguards actuation, makeup pump suction l 7 89 80

@l valve closed causing Makeue Pump 3B to lose suction and seize. Redundant systems l 7 89 80

$l 7 89 ver, avntlable. Trinn.a n,1 n. Ae +pamend en respne sinele val vo e *19. Fnttid nne 80 HE l duplicate closure. l 7 89 80

@l 7 89 (77-3) l m 80 CE ODE COMPONENT CCOE MANUFAC MR W1AT10N .

7 a

89 10 lClCl [E_) 11 12 IV I A lL lVI EI XI 17 W43 lV l0 I8 l5 l 44 47 lNl 48  ;

CAUSE DESCRIPTION l Spurious valve closure. Could not be repeated. l 7 89 80 HE I I 89 (q'7 1 l

. 80 l

's  % 880WER OTHER STATUS 0 VERY OtSCOVERY DESCAPTON k

, 8 W

9 l0l0l0I I 10 12 13 Mode 5 l 44 W

45 l Observed less of makeuo hdr. oress. l 48 80 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATON C# RELEASE 38 l_j l_j l NA l l l 7 8 9 10 11 44 45 80 i PERSONNEL EXPOSUAES '

NUM8ER TYPE DESCRPTCN NA l 1 l l l l l_J l l 7 89 11 12 13 80 i PERSONNEL INJURIES NUM8ER DESCAPTCN E! l l l l l NA l 7 89 11 12 80 i OFFSfTE CONSEQUENCES 35 l NA l 7 89 80 LOSS OR OAMAGE TO FAC:LITY a: O 7 89 l "*""""

10 m

80 l  !'

PUBUCITY 06 l NA l 7 89 80 ADOITIONAL FACTORS l 7 89 8002 270 74P 80 l

~

. DE I l

! 7 89 f 80 l

_ . _ _ _NAME: W. P. Stewart b _ PHONE: (813) 866-4159

_