ML19261B944
| ML19261B944 | |
| Person / Time | |
|---|---|
| Site: | FitzPatrick  |
| Issue date: | 02/16/1979 |
| From: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | Leonard J POWER AUTHORITY OF THE STATE OF NEW YORK (NEW YORK |
| References | |
| NUDOCS 7903080262 | |
| Download: ML19261B944 (2) | |
Text
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(PLE ASE PRIN T O A TYPE A L L d i o i m i O ' '.F C F '." ATIC N3 iII! "I DI Cl Cl Nl 2l@l 0 10 l - 10 l0 10 10 10 -l0l0l@l4l11l'11 lj@l l
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E 60 61 DOCAET NUVBg a 66 69 E V EP.T D ATE 74
't AEFOaTCATE i'C EVENT CE5CalPTION AND PRCBABLE CONSECUENCES h
[ During normal operation the Control Room Operator opened 228 safety injection 1
o 2
0 3
l tank (SIT) fill valve at 1430 to partially drain the SIT. He ther, shut the fill i
O.: l valve and verified that flow from the SIT indicated zen. At 1500 the operator l
10 l s 1 l noticed that 22B SIT level and pressure had decreased to 175 inches and 180 l
I osia respectively. 22B SIT was imediately refilled, returning level and ores:ure i
O s
O 2
l to within the limits of T.S.3.5.1.2.
Three redundant SITS remained operable I
O 3
l throughout this event. This is not a repetitive event.
I 80 7
8 9 SYSTE M CAUSE CA US E COVP-VALVE CODE CODE SU8 CODE COVPONENT CODE SUSCODE SUBCODE lS lF l@ J@ l Xl@ l Vl Al Ll V ElXI@ [Fl@ W @
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to 11 12 13 18 19 20 SE QUE N T! AL OCCUR RE NCE REPORT REVISION LE R/RO EVENT YEAR REPORT NO.
CODE TYPE NO.
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[0J 22 23 24 26 27 N
a 30 31 32 TA N ACT ON ON PL ANT M T D HOURS 22 S8 i FOR b B.
SL PLIE M AP ACTURER l Z lgl34Z [ g
@35g l36Zg 0l 0l 0; l gg l N jg gg l I 2l0l8jg 33 31 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS l This event was caused by 22B SIT fill valve not shutting tightly af ter being l
i O
q,l,i ; opened to drain the SIT. Af ter refilling the SIT no further seat leakage was indicated. The fill valve was cycled several times and it seated l
3 l tightly each time. Therefore, no further corrective action is considered l
- necessary.
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90 8 9 STA S
% POWER OTHER STATUS ISCO RY OtSCOVERY OESCR4PTION lEl@
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l A l@l Coerator Observation l
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ACTI VITY CONTENT PELEyED OF RE E ASE
,1VOUNT e ACTIVITY LOC ATION OF RE LE ASE I
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c PE RSONNEL EXPOSU ES OESCRIPTION TYP' @l NU'P E R ZI N
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PERSONNEL ;NjuRrES
= 39 r R OESCRIPTICN l0l0l0l@l NA l
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' CT3 OF OR O AM AGE TO T ACILI TV TYPr C E $ CHIP Tion l
1 3
30 b 9 10
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3 9 10 68 69 30 ;
J. T. Carroll 301-234-7943
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